summaryrefslogtreecommitdiffstats
path: root/src/doc/book/second-edition/src
diff options
context:
space:
mode:
Diffstat (limited to 'src/doc/book/second-edition/src')
-rw-r--r--src/doc/book/second-edition/src/SUMMARY.md132
-rw-r--r--src/doc/book/second-edition/src/appendix-00.md10
-rw-r--r--src/doc/book/second-edition/src/appendix-01-keywords.md10
-rw-r--r--src/doc/book/second-edition/src/appendix-02-operators.md10
-rw-r--r--src/doc/book/second-edition/src/appendix-03-derivable-traits.md10
-rw-r--r--src/doc/book/second-edition/src/appendix-04-macros.md10
-rw-r--r--src/doc/book/second-edition/src/appendix-05-translation.md10
-rw-r--r--src/doc/book/second-edition/src/appendix-06-newest-features.md10
-rw-r--r--src/doc/book/second-edition/src/appendix-07-nightly-rust.md10
-rw-r--r--src/doc/book/second-edition/src/ch00-00-introduction.md10
-rw-r--r--src/doc/book/second-edition/src/ch01-00-getting-started.md10
-rw-r--r--src/doc/book/second-edition/src/ch01-01-installation.md10
-rw-r--r--src/doc/book/second-edition/src/ch01-02-hello-world.md10
-rw-r--r--src/doc/book/second-edition/src/ch01-03-hello-cargo.md10
-rw-r--r--src/doc/book/second-edition/src/ch02-00-guessing-game-tutorial.md10
-rw-r--r--src/doc/book/second-edition/src/ch03-00-common-programming-concepts.md10
-rw-r--r--src/doc/book/second-edition/src/ch03-01-variables-and-mutability.md10
-rw-r--r--src/doc/book/second-edition/src/ch03-02-data-types.md10
-rw-r--r--src/doc/book/second-edition/src/ch03-03-how-functions-work.md10
-rw-r--r--src/doc/book/second-edition/src/ch03-04-comments.md10
-rw-r--r--src/doc/book/second-edition/src/ch03-05-control-flow.md10
-rw-r--r--src/doc/book/second-edition/src/ch04-00-understanding-ownership.md10
-rw-r--r--src/doc/book/second-edition/src/ch04-01-what-is-ownership.md10
-rw-r--r--src/doc/book/second-edition/src/ch04-02-references-and-borrowing.md10
-rw-r--r--src/doc/book/second-edition/src/ch04-03-slices.md10
-rw-r--r--src/doc/book/second-edition/src/ch05-00-structs.md10
-rw-r--r--src/doc/book/second-edition/src/ch05-01-defining-structs.md10
-rw-r--r--src/doc/book/second-edition/src/ch05-02-example-structs.md10
-rw-r--r--src/doc/book/second-edition/src/ch05-03-method-syntax.md10
-rw-r--r--src/doc/book/second-edition/src/ch06-00-enums.md10
-rw-r--r--src/doc/book/second-edition/src/ch06-01-defining-an-enum.md10
-rw-r--r--src/doc/book/second-edition/src/ch06-02-match.md10
-rw-r--r--src/doc/book/second-edition/src/ch06-03-if-let.md10
-rw-r--r--src/doc/book/second-edition/src/ch07-00-modules.md10
-rw-r--r--src/doc/book/second-edition/src/ch07-01-mod-and-the-filesystem.md10
-rw-r--r--src/doc/book/second-edition/src/ch07-02-controlling-visibility-with-pub.md10
-rw-r--r--src/doc/book/second-edition/src/ch07-03-importing-names-with-use.md10
-rw-r--r--src/doc/book/second-edition/src/ch08-00-common-collections.md10
-rw-r--r--src/doc/book/second-edition/src/ch08-01-vectors.md10
-rw-r--r--src/doc/book/second-edition/src/ch08-02-strings.md10
-rw-r--r--src/doc/book/second-edition/src/ch08-03-hash-maps.md10
-rw-r--r--src/doc/book/second-edition/src/ch09-00-error-handling.md10
-rw-r--r--src/doc/book/second-edition/src/ch09-01-unrecoverable-errors-with-panic.md10
-rw-r--r--src/doc/book/second-edition/src/ch09-02-recoverable-errors-with-result.md10
-rw-r--r--src/doc/book/second-edition/src/ch09-03-to-panic-or-not-to-panic.md10
-rw-r--r--src/doc/book/second-edition/src/ch10-00-generics.md10
-rw-r--r--src/doc/book/second-edition/src/ch10-01-syntax.md10
-rw-r--r--src/doc/book/second-edition/src/ch10-02-traits.md10
-rw-r--r--src/doc/book/second-edition/src/ch10-03-lifetime-syntax.md10
-rw-r--r--src/doc/book/second-edition/src/ch11-00-testing.md10
-rw-r--r--src/doc/book/second-edition/src/ch11-01-writing-tests.md10
-rw-r--r--src/doc/book/second-edition/src/ch11-02-running-tests.md10
-rw-r--r--src/doc/book/second-edition/src/ch11-03-test-organization.md10
-rw-r--r--src/doc/book/second-edition/src/ch12-00-an-io-project.md10
-rw-r--r--src/doc/book/second-edition/src/ch12-01-accepting-command-line-arguments.md10
-rw-r--r--src/doc/book/second-edition/src/ch12-02-reading-a-file.md10
-rw-r--r--src/doc/book/second-edition/src/ch12-03-improving-error-handling-and-modularity.md10
-rw-r--r--src/doc/book/second-edition/src/ch12-04-testing-the-librarys-functionality.md10
-rw-r--r--src/doc/book/second-edition/src/ch12-05-working-with-environment-variables.md10
-rw-r--r--src/doc/book/second-edition/src/ch12-06-writing-to-stderr-instead-of-stdout.md10
-rw-r--r--src/doc/book/second-edition/src/ch13-00-functional-features.md10
-rw-r--r--src/doc/book/second-edition/src/ch13-01-closures.md10
-rw-r--r--src/doc/book/second-edition/src/ch13-02-iterators.md10
-rw-r--r--src/doc/book/second-edition/src/ch13-03-improving-our-io-project.md10
-rw-r--r--src/doc/book/second-edition/src/ch13-04-performance.md10
-rw-r--r--src/doc/book/second-edition/src/ch14-00-more-about-cargo.md10
-rw-r--r--src/doc/book/second-edition/src/ch14-01-release-profiles.md10
-rw-r--r--src/doc/book/second-edition/src/ch14-02-publishing-to-crates-io.md10
-rw-r--r--src/doc/book/second-edition/src/ch14-03-cargo-workspaces.md10
-rw-r--r--src/doc/book/second-edition/src/ch14-04-installing-binaries.md10
-rw-r--r--src/doc/book/second-edition/src/ch14-05-extending-cargo.md10
-rw-r--r--src/doc/book/second-edition/src/ch15-00-smart-pointers.md10
-rw-r--r--src/doc/book/second-edition/src/ch15-01-box.md10
-rw-r--r--src/doc/book/second-edition/src/ch15-02-deref.md10
-rw-r--r--src/doc/book/second-edition/src/ch15-03-drop.md10
-rw-r--r--src/doc/book/second-edition/src/ch15-04-rc.md10
-rw-r--r--src/doc/book/second-edition/src/ch15-05-interior-mutability.md10
-rw-r--r--src/doc/book/second-edition/src/ch15-06-reference-cycles.md10
-rw-r--r--src/doc/book/second-edition/src/ch16-00-concurrency.md10
-rw-r--r--src/doc/book/second-edition/src/ch16-01-threads.md10
-rw-r--r--src/doc/book/second-edition/src/ch16-02-message-passing.md10
-rw-r--r--src/doc/book/second-edition/src/ch16-03-shared-state.md10
-rw-r--r--src/doc/book/second-edition/src/ch16-04-extensible-concurrency-sync-and-send.md10
-rw-r--r--src/doc/book/second-edition/src/ch17-00-oop.md10
-rw-r--r--src/doc/book/second-edition/src/ch17-01-what-is-oo.md10
-rw-r--r--src/doc/book/second-edition/src/ch17-02-trait-objects.md10
-rw-r--r--src/doc/book/second-edition/src/ch17-03-oo-design-patterns.md10
-rw-r--r--src/doc/book/second-edition/src/ch18-00-patterns.md10
-rw-r--r--src/doc/book/second-edition/src/ch18-01-all-the-places-for-patterns.md10
-rw-r--r--src/doc/book/second-edition/src/ch18-02-refutability.md10
-rw-r--r--src/doc/book/second-edition/src/ch18-03-pattern-syntax.md10
-rw-r--r--src/doc/book/second-edition/src/ch19-00-advanced-features.md10
-rw-r--r--src/doc/book/second-edition/src/ch19-01-unsafe-rust.md10
-rw-r--r--src/doc/book/second-edition/src/ch19-02-advanced-lifetimes.md10
-rw-r--r--src/doc/book/second-edition/src/ch19-03-advanced-traits.md10
-rw-r--r--src/doc/book/second-edition/src/ch19-04-advanced-types.md10
-rw-r--r--src/doc/book/second-edition/src/ch19-05-advanced-functions-and-closures.md10
-rw-r--r--src/doc/book/second-edition/src/ch20-00-final-project-a-web-server.md10
-rw-r--r--src/doc/book/second-edition/src/ch20-01-single-threaded.md10
-rw-r--r--src/doc/book/second-edition/src/ch20-02-multithreaded.md10
-rw-r--r--src/doc/book/second-edition/src/ch20-03-graceful-shutdown-and-cleanup.md10
-rw-r--r--src/doc/book/second-edition/src/foreword.md10
-rw-r--r--src/doc/book/second-edition/src/img/trpl04-01.svg68
-rw-r--r--src/doc/book/second-edition/src/img/trpl04-02.svg95
-rw-r--r--src/doc/book/second-edition/src/img/trpl04-03.svg123
-rw-r--r--src/doc/book/second-edition/src/img/trpl04-04.svg96
-rw-r--r--src/doc/book/second-edition/src/img/trpl04-05.svg87
-rw-r--r--src/doc/book/second-edition/src/img/trpl04-06.svg115
-rw-r--r--src/doc/book/second-edition/src/img/trpl14-01.pngbin0 -> 65437 bytes
-rw-r--r--src/doc/book/second-edition/src/img/trpl14-02.pngbin0 -> 175642 bytes
-rw-r--r--src/doc/book/second-edition/src/img/trpl14-03.pngbin0 -> 43085 bytes
-rw-r--r--src/doc/book/second-edition/src/img/trpl14-04.pngbin0 -> 68900 bytes
-rw-r--r--src/doc/book/second-edition/src/img/trpl15-01.svg43
-rw-r--r--src/doc/book/second-edition/src/img/trpl15-02.svg26
-rw-r--r--src/doc/book/second-edition/src/img/trpl15-03.svg109
-rw-r--r--src/doc/book/second-edition/src/img/trpl15-04.svg55
-rw-r--r--src/doc/book/second-edition/src/img/trpl20-01.pngbin0 -> 8491 bytes
117 files changed, 1959 insertions, 0 deletions
diff --git a/src/doc/book/second-edition/src/SUMMARY.md b/src/doc/book/second-edition/src/SUMMARY.md
new file mode 100644
index 000000000..37d703d8e
--- /dev/null
+++ b/src/doc/book/second-edition/src/SUMMARY.md
@@ -0,0 +1,132 @@
+# The Rust Programming Language
+
+[Foreword](foreword.md)
+[Introduction](ch00-00-introduction.md)
+
+## Getting started
+
+- [Getting Started](ch01-00-getting-started.md)
+ - [Installation](ch01-01-installation.md)
+ - [Hello, World!](ch01-02-hello-world.md)
+ - [Hello, Cargo!](ch01-03-hello-cargo.md)
+
+- [Programming a Guessing Game](ch02-00-guessing-game-tutorial.md)
+
+- [Common Programming Concepts](ch03-00-common-programming-concepts.md)
+ - [Variables and Mutability](ch03-01-variables-and-mutability.md)
+ - [Data Types](ch03-02-data-types.md)
+ - [How Functions Work](ch03-03-how-functions-work.md)
+ - [Comments](ch03-04-comments.md)
+ - [Control Flow](ch03-05-control-flow.md)
+
+- [Understanding Ownership](ch04-00-understanding-ownership.md)
+ - [What is Ownership?](ch04-01-what-is-ownership.md)
+ - [References & Borrowing](ch04-02-references-and-borrowing.md)
+ - [Slices](ch04-03-slices.md)
+
+- [Using Structs to Structure Related Data](ch05-00-structs.md)
+ - [Defining and Instantiating Structs](ch05-01-defining-structs.md)
+ - [An Example Program Using Structs](ch05-02-example-structs.md)
+ - [Method Syntax](ch05-03-method-syntax.md)
+
+- [Enums and Pattern Matching](ch06-00-enums.md)
+ - [Defining an Enum](ch06-01-defining-an-enum.md)
+ - [The `match` Control Flow Operator](ch06-02-match.md)
+ - [Concise Control Flow with `if let`](ch06-03-if-let.md)
+
+## Basic Rust Literacy
+
+- [Modules](ch07-00-modules.md)
+ - [`mod` and the Filesystem](ch07-01-mod-and-the-filesystem.md)
+ - [Controlling Visibility with `pub`](ch07-02-controlling-visibility-with-pub.md)
+ - [Referring to Names in Different Modules](ch07-03-importing-names-with-use.md)
+
+- [Common Collections](ch08-00-common-collections.md)
+ - [Vectors](ch08-01-vectors.md)
+ - [Strings](ch08-02-strings.md)
+ - [Hash Maps](ch08-03-hash-maps.md)
+
+- [Error Handling](ch09-00-error-handling.md)
+ - [Unrecoverable Errors with `panic!`](ch09-01-unrecoverable-errors-with-panic.md)
+ - [Recoverable Errors with `Result`](ch09-02-recoverable-errors-with-result.md)
+ - [To `panic!` or Not to `panic!`](ch09-03-to-panic-or-not-to-panic.md)
+
+- [Generic Types, Traits, and Lifetimes](ch10-00-generics.md)
+ - [Generic Data Types](ch10-01-syntax.md)
+ - [Traits: Defining Shared Behavior](ch10-02-traits.md)
+ - [Validating References with Lifetimes](ch10-03-lifetime-syntax.md)
+
+- [Testing](ch11-00-testing.md)
+ - [Writing tests](ch11-01-writing-tests.md)
+ - [Running tests](ch11-02-running-tests.md)
+ - [Test Organization](ch11-03-test-organization.md)
+
+- [An I/O Project: Building a Command Line Program](ch12-00-an-io-project.md)
+ - [Accepting Command Line Arguments](ch12-01-accepting-command-line-arguments.md)
+ - [Reading a File](ch12-02-reading-a-file.md)
+ - [Refactoring to Improve Modularity and Error Handling](ch12-03-improving-error-handling-and-modularity.md)
+ - [Developing the Library’s Functionality with Test Driven Development](ch12-04-testing-the-librarys-functionality.md)
+ - [Working with Environment Variables](ch12-05-working-with-environment-variables.md)
+ - [Writing Error Messages to Standard Error Instead of Standard Output](ch12-06-writing-to-stderr-instead-of-stdout.md)
+
+## Thinking in Rust
+
+- [Functional Language Features: Iterators and Closures](ch13-00-functional-features.md)
+ - [Closures: Anonymous Functions that Can Capture Their Environment](ch13-01-closures.md)
+ - [Processing a Series of Items with Iterators](ch13-02-iterators.md)
+ - [Improving Our I/O Project](ch13-03-improving-our-io-project.md)
+ - [Comparing Performance: Loops vs. Iterators](ch13-04-performance.md)
+
+- [More about Cargo and Crates.io](ch14-00-more-about-cargo.md)
+ - [Customizing Builds with Release Profiles](ch14-01-release-profiles.md)
+ - [Publishing a Crate to Crates.io](ch14-02-publishing-to-crates-io.md)
+ - [Cargo Workspaces](ch14-03-cargo-workspaces.md)
+ - [Installing Binaries from Crates.io with `cargo install`](ch14-04-installing-binaries.md)
+ - [Extending Cargo with Custom Commands](ch14-05-extending-cargo.md)
+
+- [Smart Pointers](ch15-00-smart-pointers.md)
+ - [`Box<T>` Points to Data on the Heap and Has a Known Size](ch15-01-box.md)
+ - [The `Deref` Trait Allows Access to the Data Through a Reference](ch15-02-deref.md)
+ - [The `Drop` Trait Runs Code on Cleanup](ch15-03-drop.md)
+ - [`Rc<T>`, the Reference Counted Smart Pointer](ch15-04-rc.md)
+ - [`RefCell<T>` and the Interior Mutability Pattern](ch15-05-interior-mutability.md)
+ - [Creating Reference Cycles and Leaking Memory is Safe](ch15-06-reference-cycles.md)
+
+- [Fearless Concurrency](ch16-00-concurrency.md)
+ - [Threads](ch16-01-threads.md)
+ - [Message Passing](ch16-02-message-passing.md)
+ - [Shared State](ch16-03-shared-state.md)
+ - [Extensible Concurrency: `Sync` and `Send`](ch16-04-extensible-concurrency-sync-and-send.md)
+
+- [Object Oriented Programming Features of Rust](ch17-00-oop.md)
+ - [Characteristics of Object-Oriented Languages](ch17-01-what-is-oo.md)
+ - [Using Trait Objects that Allow for Values of Different Types](ch17-02-trait-objects.md)
+ - [Implementing an Object-Oriented Design Pattern](ch17-03-oo-design-patterns.md)
+
+## Advanced Topics
+
+- [Patterns Match the Structure of Values](ch18-00-patterns.md)
+ - [All the Places Patterns May be Used](ch18-01-all-the-places-for-patterns.md)
+ - [Refutability: Whether a Pattern Might Fail to Match](ch18-02-refutability.md)
+ - [All the Pattern Syntax](ch18-03-pattern-syntax.md)
+
+- [Advanced Features](ch19-00-advanced-features.md)
+ - [Unsafe Rust](ch19-01-unsafe-rust.md)
+ - [Advanced Lifetimes](ch19-02-advanced-lifetimes.md)
+ - [Advanced Traits](ch19-03-advanced-traits.md)
+ - [Advanced Types](ch19-04-advanced-types.md)
+ - [Advanced Functions & Closures](ch19-05-advanced-functions-and-closures.md)
+
+- [Final Project: Building a Multithreaded Web Server](ch20-00-final-project-a-web-server.md)
+ - [A Single Threaded Web Server](ch20-01-single-threaded.md)
+ - [Turning our Single Threaded Server into a Multithreaded Server](ch20-02-multithreaded.md)
+ - [Graceful Shutdown and Cleanup](ch20-03-graceful-shutdown-and-cleanup.md)
+
+- [Appendix](appendix-00.md)
+ - [A - Keywords](appendix-01-keywords.md)
+ - [B - Operators and Symbols](appendix-02-operators.md)
+ - [C - Derivable Traits](appendix-03-derivable-traits.md)
+ - [D - Macros](appendix-04-macros.md)
+ - [E - Translations](appendix-05-translation.md)
+ - [F - Newest Features](appendix-06-newest-features.md)
+ - [G - How Rust is Made and “Nightly Rust”](appendix-07-nightly-rust.md)
diff --git a/src/doc/book/second-edition/src/appendix-00.md b/src/doc/book/second-edition/src/appendix-00.md
new file mode 100644
index 000000000..a19a914da
--- /dev/null
+++ b/src/doc/book/second-edition/src/appendix-00.md
@@ -0,0 +1,10 @@
+# Appendix
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../appendix-00.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/appendix-00.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/appendix-01-keywords.md b/src/doc/book/second-edition/src/appendix-01-keywords.md
new file mode 100644
index 000000000..a2dd67025
--- /dev/null
+++ b/src/doc/book/second-edition/src/appendix-01-keywords.md
@@ -0,0 +1,10 @@
+## Appendix A: Keywords
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../appendix-01-keywords.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/appendix-01-keywords.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/appendix-02-operators.md b/src/doc/book/second-edition/src/appendix-02-operators.md
new file mode 100644
index 000000000..decfc7305
--- /dev/null
+++ b/src/doc/book/second-edition/src/appendix-02-operators.md
@@ -0,0 +1,10 @@
+## Appendix B: Operators and Symbols
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../appendix-02-operators.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/appendix-02-operators.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/appendix-03-derivable-traits.md b/src/doc/book/second-edition/src/appendix-03-derivable-traits.md
new file mode 100644
index 000000000..f09dceeed
--- /dev/null
+++ b/src/doc/book/second-edition/src/appendix-03-derivable-traits.md
@@ -0,0 +1,10 @@
+## Appendix C: Derivable Traits
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../appendix-03-derivable-traits.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/appendix-03-derivable-traits.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/appendix-04-macros.md b/src/doc/book/second-edition/src/appendix-04-macros.md
new file mode 100644
index 000000000..2798b5d50
--- /dev/null
+++ b/src/doc/book/second-edition/src/appendix-04-macros.md
@@ -0,0 +1,10 @@
+## Appendix D: Macros
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch19-06-macros.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/appendix-04-macros.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/appendix-05-translation.md b/src/doc/book/second-edition/src/appendix-05-translation.md
new file mode 100644
index 000000000..69562bc96
--- /dev/null
+++ b/src/doc/book/second-edition/src/appendix-05-translation.md
@@ -0,0 +1,10 @@
+## Appendix E: Translations of the Book
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../appendix-06-translation.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/appendix-05-translation.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/appendix-06-newest-features.md b/src/doc/book/second-edition/src/appendix-06-newest-features.md
new file mode 100644
index 000000000..c1b2f9152
--- /dev/null
+++ b/src/doc/book/second-edition/src/appendix-06-newest-features.md
@@ -0,0 +1,10 @@
+# Appendix F - Newest Features
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../index.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/appendix-06-newest-features.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/appendix-07-nightly-rust.md b/src/doc/book/second-edition/src/appendix-07-nightly-rust.md
new file mode 100644
index 000000000..41f3b3ec7
--- /dev/null
+++ b/src/doc/book/second-edition/src/appendix-07-nightly-rust.md
@@ -0,0 +1,10 @@
+# Appendix G - How Rust is Made and “Nightly Rust”
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../appendix-07-nightly-rust.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/appendix-07-nightly-rust.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch00-00-introduction.md b/src/doc/book/second-edition/src/ch00-00-introduction.md
new file mode 100644
index 000000000..7de0c638a
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch00-00-introduction.md
@@ -0,0 +1,10 @@
+# Introduction
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch00-00-introduction.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch00-00-introduction.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch01-00-getting-started.md b/src/doc/book/second-edition/src/ch01-00-getting-started.md
new file mode 100644
index 000000000..6aa4e1e5b
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch01-00-getting-started.md
@@ -0,0 +1,10 @@
+# Getting Started
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch01-00-getting-started.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch10-00-getting-started.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch01-01-installation.md b/src/doc/book/second-edition/src/ch01-01-installation.md
new file mode 100644
index 000000000..478be2f7c
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch01-01-installation.md
@@ -0,0 +1,10 @@
+## Installation
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch01-01-installation.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch01-01-installation.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch01-02-hello-world.md b/src/doc/book/second-edition/src/ch01-02-hello-world.md
new file mode 100644
index 000000000..6d690501c
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch01-02-hello-world.md
@@ -0,0 +1,10 @@
+## Hello, World!
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch01-02-hello-world.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch01-02-hello-world.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch01-03-hello-cargo.md b/src/doc/book/second-edition/src/ch01-03-hello-cargo.md
new file mode 100644
index 000000000..72227bc8e
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch01-03-hello-cargo.md
@@ -0,0 +1,10 @@
+## Hello, Cargo!
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch01-03-hello-cargo.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch01-03-hello-cargo.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch02-00-guessing-game-tutorial.md b/src/doc/book/second-edition/src/ch02-00-guessing-game-tutorial.md
new file mode 100644
index 000000000..c670083bc
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch02-00-guessing-game-tutorial.md
@@ -0,0 +1,10 @@
+# Programming a Guessing Game
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch02-00-guessing-game-tutorial.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch02-00-guessing-game-tutorial.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch03-00-common-programming-concepts.md b/src/doc/book/second-edition/src/ch03-00-common-programming-concepts.md
new file mode 100644
index 000000000..b2cb97064
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch03-00-common-programming-concepts.md
@@ -0,0 +1,10 @@
+# Common Programming Concepts
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch03-00-common-programming-concepts.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch03-00-common-programming-concepts.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch03-01-variables-and-mutability.md b/src/doc/book/second-edition/src/ch03-01-variables-and-mutability.md
new file mode 100644
index 000000000..70a85b269
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch03-01-variables-and-mutability.md
@@ -0,0 +1,10 @@
+## Variables and Mutability
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch03-01-variables-and-mutability.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch03-01-variables-and-mutability.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch03-02-data-types.md b/src/doc/book/second-edition/src/ch03-02-data-types.md
new file mode 100644
index 000000000..43b14f4e9
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch03-02-data-types.md
@@ -0,0 +1,10 @@
+## Data Types
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch03-02-data-types.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch03-02-data-types.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch03-03-how-functions-work.md b/src/doc/book/second-edition/src/ch03-03-how-functions-work.md
new file mode 100644
index 000000000..e37d09eba
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch03-03-how-functions-work.md
@@ -0,0 +1,10 @@
+## Functions
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch03-03-how-functions-work.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch03-03-how-functions-work.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch03-04-comments.md b/src/doc/book/second-edition/src/ch03-04-comments.md
new file mode 100644
index 000000000..1775b7d06
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch03-04-comments.md
@@ -0,0 +1,10 @@
+## Comments
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch03-04-comments.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch03-04-comments.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch03-05-control-flow.md b/src/doc/book/second-edition/src/ch03-05-control-flow.md
new file mode 100644
index 000000000..977c19aa0
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch03-05-control-flow.md
@@ -0,0 +1,10 @@
+## Control Flow
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch03-05-control-flow.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch03-05-control-flow.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch04-00-understanding-ownership.md b/src/doc/book/second-edition/src/ch04-00-understanding-ownership.md
new file mode 100644
index 000000000..3764c3c0c
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch04-00-understanding-ownership.md
@@ -0,0 +1,10 @@
+# Understanding Ownership
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch04-00-understanding-ownership.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch04-00-understanding-ownership.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch04-01-what-is-ownership.md b/src/doc/book/second-edition/src/ch04-01-what-is-ownership.md
new file mode 100644
index 000000000..8f857a394
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch04-01-what-is-ownership.md
@@ -0,0 +1,10 @@
+## What Is Ownership?
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch04-01-what-is-ownership.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch04-01-what-is-ownership.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch04-02-references-and-borrowing.md b/src/doc/book/second-edition/src/ch04-02-references-and-borrowing.md
new file mode 100644
index 000000000..f9ccceaa1
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch04-02-references-and-borrowing.md
@@ -0,0 +1,10 @@
+## References and Borrowing
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch04-02-references-and-borrowing.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch04-02-references-and-borrowing.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch04-03-slices.md b/src/doc/book/second-edition/src/ch04-03-slices.md
new file mode 100644
index 000000000..4b4c3967f
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch04-03-slices.md
@@ -0,0 +1,10 @@
+## The Slice Type
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch04-03-slices.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch04-03-slices.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch05-00-structs.md b/src/doc/book/second-edition/src/ch05-00-structs.md
new file mode 100644
index 000000000..e7b6e512e
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch05-00-structs.md
@@ -0,0 +1,10 @@
+# Using Structs to Structure Related Data
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch05-00-structs.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch05-00-structs.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch05-01-defining-structs.md b/src/doc/book/second-edition/src/ch05-01-defining-structs.md
new file mode 100644
index 000000000..39bf82831
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch05-01-defining-structs.md
@@ -0,0 +1,10 @@
+## Defining and Instantiating Structs
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch05-01-defining-structs.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch05-01-defining-structs.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch05-02-example-structs.md b/src/doc/book/second-edition/src/ch05-02-example-structs.md
new file mode 100644
index 000000000..b32a1e301
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch05-02-example-structs.md
@@ -0,0 +1,10 @@
+## An Example Program Using Structs
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch05-02-example-structs.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch05-02-example-structs.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch05-03-method-syntax.md b/src/doc/book/second-edition/src/ch05-03-method-syntax.md
new file mode 100644
index 000000000..d8338023a
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch05-03-method-syntax.md
@@ -0,0 +1,10 @@
+## Method Syntax
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch05-03-method-syntax.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch05-03-method-syntax.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch06-00-enums.md b/src/doc/book/second-edition/src/ch06-00-enums.md
new file mode 100644
index 000000000..367060de3
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch06-00-enums.md
@@ -0,0 +1,10 @@
+# Enums and Pattern Matching
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch06-00-enums.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch06-00-enums.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch06-01-defining-an-enum.md b/src/doc/book/second-edition/src/ch06-01-defining-an-enum.md
new file mode 100644
index 000000000..1963c7bc2
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch06-01-defining-an-enum.md
@@ -0,0 +1,10 @@
+## Defining an Enum
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch06-01-defining-an-enum.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch06-01-defining-an-enum.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch06-02-match.md b/src/doc/book/second-edition/src/ch06-02-match.md
new file mode 100644
index 000000000..57c7a701b
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch06-02-match.md
@@ -0,0 +1,10 @@
+## The `match` Control Flow Operator
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch06-02-match.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch06-02-match.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch06-03-if-let.md b/src/doc/book/second-edition/src/ch06-03-if-let.md
new file mode 100644
index 000000000..ba5998340
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch06-03-if-let.md
@@ -0,0 +1,10 @@
+## Concise Control Flow with `if let`
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch06-03-if-let.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch06-03-if-let.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch07-00-modules.md b/src/doc/book/second-edition/src/ch07-00-modules.md
new file mode 100644
index 000000000..43cd6bb20
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch07-00-modules.md
@@ -0,0 +1,10 @@
+# Using Modules to Reuse and Organize Code
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch07-02-defining-modules-to-control-scope-and-privacy.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch07-00-modules.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch07-01-mod-and-the-filesystem.md b/src/doc/book/second-edition/src/ch07-01-mod-and-the-filesystem.md
new file mode 100644
index 000000000..688900113
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch07-01-mod-and-the-filesystem.md
@@ -0,0 +1,10 @@
+## `mod` and the Filesystem
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch07-02-defining-modules-to-control-scope-and-privacy.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch07-01-mod-and-the-filesystem.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch07-02-controlling-visibility-with-pub.md b/src/doc/book/second-edition/src/ch07-02-controlling-visibility-with-pub.md
new file mode 100644
index 000000000..8eb9e5455
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch07-02-controlling-visibility-with-pub.md
@@ -0,0 +1,10 @@
+## Controlling Visibility with `pub`
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch07-02-defining-modules-to-control-scope-and-privacy.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch07-02-controlling-visibility-with-pub.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch07-03-importing-names-with-use.md b/src/doc/book/second-edition/src/ch07-03-importing-names-with-use.md
new file mode 100644
index 000000000..afcdc29d3
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch07-03-importing-names-with-use.md
@@ -0,0 +1,10 @@
+## Referring to Names in Different Modules
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch07-04-bringing-paths-into-scope-with-the-use-keyword.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch07-03-importing-names-with-use.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch08-00-common-collections.md b/src/doc/book/second-edition/src/ch08-00-common-collections.md
new file mode 100644
index 000000000..b1711089c
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch08-00-common-collections.md
@@ -0,0 +1,10 @@
+# Common Collections
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch08-00-common-collections.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch08-00-common-collections.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch08-01-vectors.md b/src/doc/book/second-edition/src/ch08-01-vectors.md
new file mode 100644
index 000000000..37469503e
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch08-01-vectors.md
@@ -0,0 +1,10 @@
+## Storing Lists of Values with Vectors
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch08-01-vectors.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch08-01-vectors.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch08-02-strings.md b/src/doc/book/second-edition/src/ch08-02-strings.md
new file mode 100644
index 000000000..f5ed14390
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch08-02-strings.md
@@ -0,0 +1,10 @@
+## Storing UTF-8 Encoded Text with Strings
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch08-02-strings.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch08-02-strings.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch08-03-hash-maps.md b/src/doc/book/second-edition/src/ch08-03-hash-maps.md
new file mode 100644
index 000000000..21d14bccc
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch08-03-hash-maps.md
@@ -0,0 +1,10 @@
+## Storing Keys with Associated Values in Hash Maps
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch08-03-hash-maps.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch08-03-hash-maps.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch09-00-error-handling.md b/src/doc/book/second-edition/src/ch09-00-error-handling.md
new file mode 100644
index 000000000..3a5de11a2
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch09-00-error-handling.md
@@ -0,0 +1,10 @@
+# Error Handling
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch09-00-error-handling.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch09-00-error-handling.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch09-01-unrecoverable-errors-with-panic.md b/src/doc/book/second-edition/src/ch09-01-unrecoverable-errors-with-panic.md
new file mode 100644
index 000000000..2596c3677
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch09-01-unrecoverable-errors-with-panic.md
@@ -0,0 +1,10 @@
+## Unrecoverable Errors with `panic!`
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch09-01-unrecoverable-errors-with-panic.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch09-01-unrecoverable-errors-with-panic.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch09-02-recoverable-errors-with-result.md b/src/doc/book/second-edition/src/ch09-02-recoverable-errors-with-result.md
new file mode 100644
index 000000000..ac1bfe151
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch09-02-recoverable-errors-with-result.md
@@ -0,0 +1,10 @@
+## Recoverable Errors with `Result`
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch09-02-recoverable-errors-with-result.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch09-02-recoverable-errors-with-result.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch09-03-to-panic-or-not-to-panic.md b/src/doc/book/second-edition/src/ch09-03-to-panic-or-not-to-panic.md
new file mode 100644
index 000000000..f2037237f
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch09-03-to-panic-or-not-to-panic.md
@@ -0,0 +1,10 @@
+## To `panic!` or Not to `panic!`
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch09-03-to-panic-or-not-to-panic.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch09-03-to-panic-or-not-to-panic.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch10-00-generics.md b/src/doc/book/second-edition/src/ch10-00-generics.md
new file mode 100644
index 000000000..e8dd4a07a
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch10-00-generics.md
@@ -0,0 +1,10 @@
+# Generic Types, Traits, and Lifetimes
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch10-00-generics.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch10-00-generics.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch10-01-syntax.md b/src/doc/book/second-edition/src/ch10-01-syntax.md
new file mode 100644
index 000000000..fcfb3e69b
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch10-01-syntax.md
@@ -0,0 +1,10 @@
+## Generic Data Types
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch10-01-syntax.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch10-01-syntax.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch10-02-traits.md b/src/doc/book/second-edition/src/ch10-02-traits.md
new file mode 100644
index 000000000..9d0d72bd8
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch10-02-traits.md
@@ -0,0 +1,10 @@
+## Traits: Defining Shared Behavior
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch10-02-traits.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch10-02-traits.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch10-03-lifetime-syntax.md b/src/doc/book/second-edition/src/ch10-03-lifetime-syntax.md
new file mode 100644
index 000000000..05d6e5dc3
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch10-03-lifetime-syntax.md
@@ -0,0 +1,10 @@
+## Validating References with Lifetimes
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch10-03-lifetime-syntax.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch10-03-lifetime-syntax.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch11-00-testing.md b/src/doc/book/second-edition/src/ch11-00-testing.md
new file mode 100644
index 000000000..76aa84e75
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch11-00-testing.md
@@ -0,0 +1,10 @@
+# Writing Automated Tests
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch11-00-testing.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch11-00-testing.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch11-01-writing-tests.md b/src/doc/book/second-edition/src/ch11-01-writing-tests.md
new file mode 100644
index 000000000..0b332ef5c
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch11-01-writing-tests.md
@@ -0,0 +1,10 @@
+## How to Write Tests
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch11-01-writing-tests.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch11-01-writing-tests.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch11-02-running-tests.md b/src/doc/book/second-edition/src/ch11-02-running-tests.md
new file mode 100644
index 000000000..b1276b381
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch11-02-running-tests.md
@@ -0,0 +1,10 @@
+## Controlling How Tests Are Run
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch11-02-running-tests.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch11-02-running-tests.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch11-03-test-organization.md b/src/doc/book/second-edition/src/ch11-03-test-organization.md
new file mode 100644
index 000000000..4edb0c083
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch11-03-test-organization.md
@@ -0,0 +1,10 @@
+## Test Organization
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch11-03-test-organization.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch11-03-test-organization.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch12-00-an-io-project.md b/src/doc/book/second-edition/src/ch12-00-an-io-project.md
new file mode 100644
index 000000000..a631a15cc
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch12-00-an-io-project.md
@@ -0,0 +1,10 @@
+# An I/O Project: Building a Command Line Program
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch12-00-an-io-project.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch12-00-an-io-project.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch12-01-accepting-command-line-arguments.md b/src/doc/book/second-edition/src/ch12-01-accepting-command-line-arguments.md
new file mode 100644
index 000000000..a904cad31
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch12-01-accepting-command-line-arguments.md
@@ -0,0 +1,10 @@
+## Accepting Command Line Arguments
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch12-01-accepting-command-line-arguments.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch12-01-accepting-command-line-arguments.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch12-02-reading-a-file.md b/src/doc/book/second-edition/src/ch12-02-reading-a-file.md
new file mode 100644
index 000000000..d3b74d030
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch12-02-reading-a-file.md
@@ -0,0 +1,10 @@
+## Reading a File
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch12-02-reading-a-file.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch12-02-reading-a-file.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch12-03-improving-error-handling-and-modularity.md b/src/doc/book/second-edition/src/ch12-03-improving-error-handling-and-modularity.md
new file mode 100644
index 000000000..cd6fd68fc
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch12-03-improving-error-handling-and-modularity.md
@@ -0,0 +1,10 @@
+## Refactoring to Improve Modularity and Error Handling
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch12-03-improving-error-handling-and-modularity.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch12-03-improving-error-handling-and-modularity.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch12-04-testing-the-librarys-functionality.md b/src/doc/book/second-edition/src/ch12-04-testing-the-librarys-functionality.md
new file mode 100644
index 000000000..c9bfa60c9
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch12-04-testing-the-librarys-functionality.md
@@ -0,0 +1,10 @@
+## Developing the Library’s Functionality with Test-Driven Development
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch12-04-testing-the-librarys-functionality.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch12-04-testing-the-librarys-functionality.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch12-05-working-with-environment-variables.md b/src/doc/book/second-edition/src/ch12-05-working-with-environment-variables.md
new file mode 100644
index 000000000..58ffd2967
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch12-05-working-with-environment-variables.md
@@ -0,0 +1,10 @@
+## Working with Environment Variables
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch12-05-working-with-environment-variables.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch12-05-working-with-environment-variables.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch12-06-writing-to-stderr-instead-of-stdout.md b/src/doc/book/second-edition/src/ch12-06-writing-to-stderr-instead-of-stdout.md
new file mode 100644
index 000000000..e0dc231cd
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch12-06-writing-to-stderr-instead-of-stdout.md
@@ -0,0 +1,10 @@
+## Writing Error Messages to Standard Error Instead of Standard Output
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch12-06-writing-to-stderr-instead-of-stdout.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch12-06-writing-to-stderr-instead-of-stdout.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch13-00-functional-features.md b/src/doc/book/second-edition/src/ch13-00-functional-features.md
new file mode 100644
index 000000000..169779ffa
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch13-00-functional-features.md
@@ -0,0 +1,10 @@
+# Functional Language Features: Iterators and Closures
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch13-00-functional-features.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch13-00-functional-features.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch13-01-closures.md b/src/doc/book/second-edition/src/ch13-01-closures.md
new file mode 100644
index 000000000..0a519e3b7
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch13-01-closures.md
@@ -0,0 +1,10 @@
+## Closures: Anonymous Functions that Can Capture Their Environment
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch13-01-closures.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch13-01-closures.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch13-02-iterators.md b/src/doc/book/second-edition/src/ch13-02-iterators.md
new file mode 100644
index 000000000..7afcb18cd
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch13-02-iterators.md
@@ -0,0 +1,10 @@
+## Processing a Series of Items with Iterators
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch13-02-iterators.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch13-02-iterators.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch13-03-improving-our-io-project.md b/src/doc/book/second-edition/src/ch13-03-improving-our-io-project.md
new file mode 100644
index 000000000..75a40b1a8
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch13-03-improving-our-io-project.md
@@ -0,0 +1,10 @@
+## Improving Our I/O Project
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch13-03-improving-our-io-project.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch13-03-improving-our-io-project.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch13-04-performance.md b/src/doc/book/second-edition/src/ch13-04-performance.md
new file mode 100644
index 000000000..b8bd6437b
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch13-04-performance.md
@@ -0,0 +1,10 @@
+## Comparing Performance: Loops vs. Iterators
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch13-04-performance.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch13-04-performance.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch14-00-more-about-cargo.md b/src/doc/book/second-edition/src/ch14-00-more-about-cargo.md
new file mode 100644
index 000000000..ff19c7b55
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch14-00-more-about-cargo.md
@@ -0,0 +1,10 @@
+# More About Cargo and Crates.io
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch14-00-more-about-cargo.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch14-00-more-about-cargo.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch14-01-release-profiles.md b/src/doc/book/second-edition/src/ch14-01-release-profiles.md
new file mode 100644
index 000000000..dcad779bc
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch14-01-release-profiles.md
@@ -0,0 +1,10 @@
+## Customizing Builds with Release Profiles
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch14-01-release-profiles.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch14-01-release-profiles.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch14-02-publishing-to-crates-io.md b/src/doc/book/second-edition/src/ch14-02-publishing-to-crates-io.md
new file mode 100644
index 000000000..a4e2f79a8
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch14-02-publishing-to-crates-io.md
@@ -0,0 +1,10 @@
+## Publishing a Crate to Crates.io
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch14-02-publishing-to-crates-io.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch14-02-publishing-to-crates-io.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch14-03-cargo-workspaces.md b/src/doc/book/second-edition/src/ch14-03-cargo-workspaces.md
new file mode 100644
index 000000000..b748600e3
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch14-03-cargo-workspaces.md
@@ -0,0 +1,10 @@
+## Cargo Workspaces
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch14-03-cargo-workspaces.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch14-03-cargo-workspaces.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch14-04-installing-binaries.md b/src/doc/book/second-edition/src/ch14-04-installing-binaries.md
new file mode 100644
index 000000000..8f435f22c
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch14-04-installing-binaries.md
@@ -0,0 +1,10 @@
+## Installing Binaries from Crates.io with `cargo install`
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch14-04-installing-binaries.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch14-04-installing-binaries.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch14-05-extending-cargo.md b/src/doc/book/second-edition/src/ch14-05-extending-cargo.md
new file mode 100644
index 000000000..66cae5f57
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch14-05-extending-cargo.md
@@ -0,0 +1,10 @@
+## Extending Cargo with Custom Commands
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch14-05-extending-cargo.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch14-05-extending-cargo.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch15-00-smart-pointers.md b/src/doc/book/second-edition/src/ch15-00-smart-pointers.md
new file mode 100644
index 000000000..720732d01
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch15-00-smart-pointers.md
@@ -0,0 +1,10 @@
+# Smart Pointers
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch15-00-smart-pointers.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch15-00-smart-pointers.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch15-01-box.md b/src/doc/book/second-edition/src/ch15-01-box.md
new file mode 100644
index 000000000..1ea314fc2
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch15-01-box.md
@@ -0,0 +1,10 @@
+## Using `Box<T>` to Point to Data on the Heap
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch15-01-box.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch15-01-box.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch15-02-deref.md b/src/doc/book/second-edition/src/ch15-02-deref.md
new file mode 100644
index 000000000..654b6befe
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch15-02-deref.md
@@ -0,0 +1,10 @@
+## Treating Smart Pointers Like Regular References with the `Deref` Trait
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch15-02-deref.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch15-02-deref.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch15-03-drop.md b/src/doc/book/second-edition/src/ch15-03-drop.md
new file mode 100644
index 000000000..96914d355
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch15-03-drop.md
@@ -0,0 +1,10 @@
+## Running Code on Cleanup with the `Drop` Trait
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch15-03-drop.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch15-03-drop.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch15-04-rc.md b/src/doc/book/second-edition/src/ch15-04-rc.md
new file mode 100644
index 000000000..6179a0e1c
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch15-04-rc.md
@@ -0,0 +1,10 @@
+## `Rc<T>`, the Reference Counted Smart Pointer
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch15-04-rc.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch15-04-rc.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch15-05-interior-mutability.md b/src/doc/book/second-edition/src/ch15-05-interior-mutability.md
new file mode 100644
index 000000000..eeeb93269
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch15-05-interior-mutability.md
@@ -0,0 +1,10 @@
+## `RefCell<T>` and the Interior Mutability Pattern
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch15-05-interior-mutability.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch15-05-interior-mutability.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch15-06-reference-cycles.md b/src/doc/book/second-edition/src/ch15-06-reference-cycles.md
new file mode 100644
index 000000000..8edae3ed2
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch15-06-reference-cycles.md
@@ -0,0 +1,10 @@
+## Reference Cycles Can Leak Memory
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch15-06-reference-cycles.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch15-06-reference-cycles.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch16-00-concurrency.md b/src/doc/book/second-edition/src/ch16-00-concurrency.md
new file mode 100644
index 000000000..9069bd985
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch16-00-concurrency.md
@@ -0,0 +1,10 @@
+# Fearless Concurrency
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch16-00-concurrency.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch16-00-concurrency.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch16-01-threads.md b/src/doc/book/second-edition/src/ch16-01-threads.md
new file mode 100644
index 000000000..0d287512d
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch16-01-threads.md
@@ -0,0 +1,10 @@
+## Using Threads to Run Code Simultaneously
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch16-01-threads.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch16-01-threads.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch16-02-message-passing.md b/src/doc/book/second-edition/src/ch16-02-message-passing.md
new file mode 100644
index 000000000..186ab0b59
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch16-02-message-passing.md
@@ -0,0 +1,10 @@
+## Using Message Passing to Transfer Data Between Threads
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch16-02-message-passing.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch16-02-message-passing.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch16-03-shared-state.md b/src/doc/book/second-edition/src/ch16-03-shared-state.md
new file mode 100644
index 000000000..dbd58bfba
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch16-03-shared-state.md
@@ -0,0 +1,10 @@
+## Shared-State Concurrency
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch16-03-shared-state.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch16-03-shared-state.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch16-04-extensible-concurrency-sync-and-send.md b/src/doc/book/second-edition/src/ch16-04-extensible-concurrency-sync-and-send.md
new file mode 100644
index 000000000..81fb6cb8b
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch16-04-extensible-concurrency-sync-and-send.md
@@ -0,0 +1,10 @@
+## Extensible Concurrency with the `Sync` and `Send` Traits
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch16-04-extensible-concurrency-sync-and-send.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch16-04-extensible-concurrency-sync-and-send.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch17-00-oop.md b/src/doc/book/second-edition/src/ch17-00-oop.md
new file mode 100644
index 000000000..752130915
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch17-00-oop.md
@@ -0,0 +1,10 @@
+# Object Oriented Programming Features of Rust
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch17-00-oop.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch17-00-oop.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch17-01-what-is-oo.md b/src/doc/book/second-edition/src/ch17-01-what-is-oo.md
new file mode 100644
index 000000000..82c1ed8f9
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch17-01-what-is-oo.md
@@ -0,0 +1,10 @@
+## Characteristics of Object-Oriented Languages
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch17-01-what-is-oo.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch17-01-what-is-oo.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch17-02-trait-objects.md b/src/doc/book/second-edition/src/ch17-02-trait-objects.md
new file mode 100644
index 000000000..35f0c1883
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch17-02-trait-objects.md
@@ -0,0 +1,10 @@
+## Using Trait Objects that Allow for Values of Different Types
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch17-02-trait-objects.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch17-02-trait-objects.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch17-03-oo-design-patterns.md b/src/doc/book/second-edition/src/ch17-03-oo-design-patterns.md
new file mode 100644
index 000000000..46bec2692
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch17-03-oo-design-patterns.md
@@ -0,0 +1,10 @@
+## Implementing an Object-Oriented Design Pattern
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch17-03-oo-design-patterns.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch17-03-oo-design-patterns.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch18-00-patterns.md b/src/doc/book/second-edition/src/ch18-00-patterns.md
new file mode 100644
index 000000000..6bd221fa3
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch18-00-patterns.md
@@ -0,0 +1,10 @@
+# Patterns and Matching
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch18-00-patterns.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch18-00-patterns.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch18-01-all-the-places-for-patterns.md b/src/doc/book/second-edition/src/ch18-01-all-the-places-for-patterns.md
new file mode 100644
index 000000000..0374a9a88
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch18-01-all-the-places-for-patterns.md
@@ -0,0 +1,10 @@
+## All the Places Patterns Can Be Used
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch18-01-all-the-places-for-patterns.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch18-01-all-the-places-for-patterns.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch18-02-refutability.md b/src/doc/book/second-edition/src/ch18-02-refutability.md
new file mode 100644
index 000000000..2ef5206af
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch18-02-refutability.md
@@ -0,0 +1,10 @@
+## Refutability: Whether a Pattern Might Fail to Match
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch18-02-refutability.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch18-02-refutability.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch18-03-pattern-syntax.md b/src/doc/book/second-edition/src/ch18-03-pattern-syntax.md
new file mode 100644
index 000000000..31c5f7920
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch18-03-pattern-syntax.md
@@ -0,0 +1,10 @@
+## Pattern Syntax
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch18-03-pattern-syntax.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch18-03-pattern-syntax.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch19-00-advanced-features.md b/src/doc/book/second-edition/src/ch19-00-advanced-features.md
new file mode 100644
index 000000000..f6df05f0a
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch19-00-advanced-features.md
@@ -0,0 +1,10 @@
+# Advanced Features
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch19-00-advanced-features.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-00-advanced-features.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch19-01-unsafe-rust.md b/src/doc/book/second-edition/src/ch19-01-unsafe-rust.md
new file mode 100644
index 000000000..8a9a29c09
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch19-01-unsafe-rust.md
@@ -0,0 +1,10 @@
+## Unsafe Rust
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch19-01-unsafe-rust.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-01-unsafe-rust.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch19-02-advanced-lifetimes.md b/src/doc/book/second-edition/src/ch19-02-advanced-lifetimes.md
new file mode 100644
index 000000000..374382886
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch19-02-advanced-lifetimes.md
@@ -0,0 +1,10 @@
+## Advanced Lifetimes
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../index.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-02-advanced-lifetimes.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch19-03-advanced-traits.md b/src/doc/book/second-edition/src/ch19-03-advanced-traits.md
new file mode 100644
index 000000000..cc8433fb3
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch19-03-advanced-traits.md
@@ -0,0 +1,10 @@
+## Advanced Traits
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch19-03-advanced-traits.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-03-advanced-traits.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch19-04-advanced-types.md b/src/doc/book/second-edition/src/ch19-04-advanced-types.md
new file mode 100644
index 000000000..508145729
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch19-04-advanced-types.md
@@ -0,0 +1,10 @@
+## Advanced Types
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch19-04-advanced-types.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-04-advanced-types.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch19-05-advanced-functions-and-closures.md b/src/doc/book/second-edition/src/ch19-05-advanced-functions-and-closures.md
new file mode 100644
index 000000000..18d369c60
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch19-05-advanced-functions-and-closures.md
@@ -0,0 +1,10 @@
+## Advanced Functions and Closures
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch19-05-advanced-functions-and-closures.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch19-05-advanced-functions-and-closures.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch20-00-final-project-a-web-server.md b/src/doc/book/second-edition/src/ch20-00-final-project-a-web-server.md
new file mode 100644
index 000000000..059d6824c
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch20-00-final-project-a-web-server.md
@@ -0,0 +1,10 @@
+# Final Project: Building a Multithreaded Web Server
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch20-00-final-project-a-web-server.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-00-final-project-a-web-server.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch20-01-single-threaded.md b/src/doc/book/second-edition/src/ch20-01-single-threaded.md
new file mode 100644
index 000000000..5ff97a2ee
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch20-01-single-threaded.md
@@ -0,0 +1,10 @@
+## Building a Single-Threaded Web Server
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch20-01-single-threaded.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-01-single-threaded.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch20-02-multithreaded.md b/src/doc/book/second-edition/src/ch20-02-multithreaded.md
new file mode 100644
index 000000000..0695d2451
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch20-02-multithreaded.md
@@ -0,0 +1,10 @@
+## Turning Our Single-Threaded Server into a Multithreaded Server
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch20-02-multithreaded.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-02-multithreaded.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/ch20-03-graceful-shutdown-and-cleanup.md b/src/doc/book/second-edition/src/ch20-03-graceful-shutdown-and-cleanup.md
new file mode 100644
index 000000000..eb7ed5987
--- /dev/null
+++ b/src/doc/book/second-edition/src/ch20-03-graceful-shutdown-and-cleanup.md
@@ -0,0 +1,10 @@
+## Graceful Shutdown and Cleanup
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../ch20-03-graceful-shutdown-and-cleanup.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/ch20-03-graceful-shutdown-and-cleanup.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/foreword.md b/src/doc/book/second-edition/src/foreword.md
new file mode 100644
index 000000000..f369abbf6
--- /dev/null
+++ b/src/doc/book/second-edition/src/foreword.md
@@ -0,0 +1,10 @@
+# Foreword
+
+The second edition of the book is no longer distributed with Rust's documentation.
+
+If you came here via a link or web search, you may want to check out [the current
+version of the book](../foreword.html) instead.
+
+If you have an internet connection, you can [find a copy distributed with
+Rust
+1.30](https://doc.rust-lang.org/1.30.0/book/second-edition/foreword.html). \ No newline at end of file
diff --git a/src/doc/book/second-edition/src/img/trpl04-01.svg b/src/doc/book/second-edition/src/img/trpl04-01.svg
new file mode 100644
index 000000000..314f53ba1
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl04-01.svg
@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: %3 Pages: 1 -->
+<svg
+ viewBox="0.00 0.00 1000.00 700.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(4.1667 4.1667) rotate(0) translate(4 152)">
+<title>%3</title>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-152 233,-152 233,4 -4,4"/>
+<!-- table0 -->
+<g id="node1" class="node">
+<title>table0</title>
+<polyline fill="none" stroke="#000000" points="8,-124 96,-124 "/>
+<text text-anchor="start" x="45.7759" y="-129.8" font-family="Times,serif" font-size="14.00" fill="#000000">s1</text>
+<polygon fill="none" stroke="#000000" points="8,-104 8,-124 60,-124 60,-104 8,-104"/>
+<text text-anchor="start" x="18.8413" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">name</text>
+<polygon fill="none" stroke="#000000" points="60,-104 60,-124 96,-124 96,-104 60,-104"/>
+<text text-anchor="start" x="62.8413" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="8,-84 8,-104 60,-104 60,-84 8,-84"/>
+<text text-anchor="start" x="26.2241" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">ptr</text>
+<polygon fill="none" stroke="#000000" points="60,-84 60,-104 96,-104 96,-84 60,-84"/>
+<polygon fill="none" stroke="#000000" points="8,-64 8,-84 60,-84 60,-64 8,-64"/>
+<text text-anchor="start" x="25.4482" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">len</text>
+<polygon fill="none" stroke="#000000" points="60,-64 60,-84 96,-84 96,-64 60,-64"/>
+<text text-anchor="start" x="74.5" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+<polygon fill="none" stroke="#000000" points="8,-44 8,-64 60,-64 60,-44 8,-44"/>
+<text text-anchor="start" x="10.6826" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">capacity</text>
+<polygon fill="none" stroke="#000000" points="60,-44 60,-64 96,-64 96,-44 60,-44"/>
+<text text-anchor="start" x="74.5" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+</g>
+<!-- table1 -->
+<g id="node2" class="node">
+<title>table1</title>
+<polygon fill="none" stroke="#000000" points="148.5,-104 148.5,-124 185.5,-124 185.5,-104 148.5,-104"/>
+<text text-anchor="start" x="151.4482" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">index</text>
+<polygon fill="none" stroke="#000000" points="185.5,-104 185.5,-124 221.5,-124 221.5,-104 185.5,-104"/>
+<text text-anchor="start" x="188.3413" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="148.5,-84 148.5,-104 185.5,-104 185.5,-84 148.5,-84"/>
+<text text-anchor="start" x="163.5" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">0</text>
+<polygon fill="none" stroke="#000000" points="185.5,-84 185.5,-104 221.5,-104 221.5,-84 185.5,-84"/>
+<text text-anchor="start" x="200" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">h</text>
+<polygon fill="none" stroke="#000000" points="148.5,-64 148.5,-84 185.5,-84 185.5,-64 148.5,-64"/>
+<text text-anchor="start" x="163.5" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">1</text>
+<polygon fill="none" stroke="#000000" points="185.5,-64 185.5,-84 221.5,-84 221.5,-64 185.5,-64"/>
+<text text-anchor="start" x="200.3931" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">e</text>
+<polygon fill="none" stroke="#000000" points="148.5,-44 148.5,-64 185.5,-64 185.5,-44 148.5,-44"/>
+<text text-anchor="start" x="163.5" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">2</text>
+<polygon fill="none" stroke="#000000" points="185.5,-44 185.5,-64 221.5,-64 221.5,-44 185.5,-44"/>
+<text text-anchor="start" x="201.5552" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-24 148.5,-44 185.5,-44 185.5,-24 148.5,-24"/>
+<text text-anchor="start" x="163.5" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">3</text>
+<polygon fill="none" stroke="#000000" points="185.5,-24 185.5,-44 221.5,-44 221.5,-24 185.5,-24"/>
+<text text-anchor="start" x="201.5552" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-4 148.5,-24 185.5,-24 185.5,-4 148.5,-4"/>
+<text text-anchor="start" x="163.5" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">4</text>
+<polygon fill="none" stroke="#000000" points="185.5,-4 185.5,-24 221.5,-24 221.5,-4 185.5,-4"/>
+<text text-anchor="start" x="200" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">o</text>
+</g>
+<!-- table0&#45;&gt;table1 -->
+<g id="edge1" class="edge">
+<title>table0:c&#45;&gt;table1:pointee</title>
+<path fill="none" stroke="#000000" d="M78,-94C78,-94 109.3406,-94 138.3797,-94"/>
+<polygon fill="#000000" stroke="#000000" points="138.5,-97.5001 148.5,-94 138.5,-90.5001 138.5,-97.5001"/>
+</g>
+</g>
+</svg>
diff --git a/src/doc/book/second-edition/src/img/trpl04-02.svg b/src/doc/book/second-edition/src/img/trpl04-02.svg
new file mode 100644
index 000000000..70d490f0b
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl04-02.svg
@@ -0,0 +1,95 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: %3 Pages: 1 -->
+<svg
+ viewBox="0.00 0.00 1000.00 1000.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(4.1667 4.1667) rotate(0) translate(4 238)">
+<title>%3</title>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-238 233,-238 233,4 -4,4"/>
+<!-- table0 -->
+<g id="node1" class="node">
+<title>table0</title>
+<polyline fill="none" stroke="#000000" points="8,-210 96,-210 "/>
+<text text-anchor="start" x="45.7759" y="-215.8" font-family="Times,serif" font-size="14.00" fill="#000000">s1</text>
+<polygon fill="none" stroke="#000000" points="8,-190 8,-210 60,-210 60,-190 8,-190"/>
+<text text-anchor="start" x="18.8413" y="-195.8" font-family="Times,serif" font-size="14.00" fill="#000000">name</text>
+<polygon fill="none" stroke="#000000" points="60,-190 60,-210 96,-210 96,-190 60,-190"/>
+<text text-anchor="start" x="62.8413" y="-195.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="8,-170 8,-190 60,-190 60,-170 8,-170"/>
+<text text-anchor="start" x="26.2241" y="-175.8" font-family="Times,serif" font-size="14.00" fill="#000000">ptr</text>
+<polygon fill="none" stroke="#000000" points="60,-170 60,-190 96,-190 96,-170 60,-170"/>
+<polygon fill="none" stroke="#000000" points="8,-150 8,-170 60,-170 60,-150 8,-150"/>
+<text text-anchor="start" x="25.4482" y="-155.8" font-family="Times,serif" font-size="14.00" fill="#000000">len</text>
+<polygon fill="none" stroke="#000000" points="60,-150 60,-170 96,-170 96,-150 60,-150"/>
+<text text-anchor="start" x="74.5" y="-155.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+<polygon fill="none" stroke="#000000" points="8,-130 8,-150 60,-150 60,-130 8,-130"/>
+<text text-anchor="start" x="10.6826" y="-135.8" font-family="Times,serif" font-size="14.00" fill="#000000">capacity</text>
+<polygon fill="none" stroke="#000000" points="60,-130 60,-150 96,-150 96,-130 60,-130"/>
+<text text-anchor="start" x="74.5" y="-135.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+</g>
+<!-- table1 -->
+<g id="node3" class="node">
+<title>table1</title>
+<polygon fill="none" stroke="#000000" points="148.5,-127 148.5,-147 185.5,-147 185.5,-127 148.5,-127"/>
+<text text-anchor="start" x="151.4482" y="-132.8" font-family="Times,serif" font-size="14.00" fill="#000000">index</text>
+<polygon fill="none" stroke="#000000" points="185.5,-127 185.5,-147 221.5,-147 221.5,-127 185.5,-127"/>
+<text text-anchor="start" x="188.3413" y="-132.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="148.5,-107 148.5,-127 185.5,-127 185.5,-107 148.5,-107"/>
+<text text-anchor="start" x="163.5" y="-112.8" font-family="Times,serif" font-size="14.00" fill="#000000">0</text>
+<polygon fill="none" stroke="#000000" points="185.5,-107 185.5,-127 221.5,-127 221.5,-107 185.5,-107"/>
+<text text-anchor="start" x="200" y="-112.8" font-family="Times,serif" font-size="14.00" fill="#000000">h</text>
+<polygon fill="none" stroke="#000000" points="148.5,-87 148.5,-107 185.5,-107 185.5,-87 148.5,-87"/>
+<text text-anchor="start" x="163.5" y="-92.8" font-family="Times,serif" font-size="14.00" fill="#000000">1</text>
+<polygon fill="none" stroke="#000000" points="185.5,-87 185.5,-107 221.5,-107 221.5,-87 185.5,-87"/>
+<text text-anchor="start" x="200.3931" y="-92.8" font-family="Times,serif" font-size="14.00" fill="#000000">e</text>
+<polygon fill="none" stroke="#000000" points="148.5,-67 148.5,-87 185.5,-87 185.5,-67 148.5,-67"/>
+<text text-anchor="start" x="163.5" y="-72.8" font-family="Times,serif" font-size="14.00" fill="#000000">2</text>
+<polygon fill="none" stroke="#000000" points="185.5,-67 185.5,-87 221.5,-87 221.5,-67 185.5,-67"/>
+<text text-anchor="start" x="201.5552" y="-72.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-47 148.5,-67 185.5,-67 185.5,-47 148.5,-47"/>
+<text text-anchor="start" x="163.5" y="-52.8" font-family="Times,serif" font-size="14.00" fill="#000000">3</text>
+<polygon fill="none" stroke="#000000" points="185.5,-47 185.5,-67 221.5,-67 221.5,-47 185.5,-47"/>
+<text text-anchor="start" x="201.5552" y="-52.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-27 148.5,-47 185.5,-47 185.5,-27 148.5,-27"/>
+<text text-anchor="start" x="163.5" y="-32.8" font-family="Times,serif" font-size="14.00" fill="#000000">4</text>
+<polygon fill="none" stroke="#000000" points="185.5,-27 185.5,-47 221.5,-47 221.5,-27 185.5,-27"/>
+<text text-anchor="start" x="200" y="-32.8" font-family="Times,serif" font-size="14.00" fill="#000000">o</text>
+</g>
+<!-- table0&#45;&gt;table1 -->
+<g id="edge1" class="edge">
+<title>table0:c&#45;&gt;table1:pointee</title>
+<path fill="none" stroke="#000000" d="M78,-180C78,-180 101.9982,-126.912 138.4405,-118.2023"/>
+<polygon fill="#000000" stroke="#000000" points="138.986,-121.6621 148.5,-117 138.1553,-114.7115 138.986,-121.6621"/>
+</g>
+<!-- table3 -->
+<g id="node2" class="node">
+<title>table3</title>
+<polyline fill="none" stroke="#000000" points="8,-84 96,-84 "/>
+<text text-anchor="start" x="45.7759" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">s2</text>
+<polygon fill="none" stroke="#000000" points="8,-64 8,-84 60,-84 60,-64 8,-64"/>
+<text text-anchor="start" x="18.8413" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">name</text>
+<polygon fill="none" stroke="#000000" points="60,-64 60,-84 96,-84 96,-64 60,-64"/>
+<text text-anchor="start" x="62.8413" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="8,-44 8,-64 60,-64 60,-44 8,-44"/>
+<text text-anchor="start" x="26.2241" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">ptr</text>
+<polygon fill="none" stroke="#000000" points="60,-44 60,-64 96,-64 96,-44 60,-44"/>
+<polygon fill="none" stroke="#000000" points="8,-24 8,-44 60,-44 60,-24 8,-24"/>
+<text text-anchor="start" x="25.4482" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">len</text>
+<polygon fill="none" stroke="#000000" points="60,-24 60,-44 96,-44 96,-24 60,-24"/>
+<text text-anchor="start" x="74.5" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+<polygon fill="none" stroke="#000000" points="8,-4 8,-24 60,-24 60,-4 8,-4"/>
+<text text-anchor="start" x="10.6826" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">capacity</text>
+<polygon fill="none" stroke="#000000" points="60,-4 60,-24 96,-24 96,-4 60,-4"/>
+<text text-anchor="start" x="74.5" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+</g>
+<!-- table3&#45;&gt;table1 -->
+<g id="edge2" class="edge">
+<title>table3:c&#45;&gt;table1:pointee</title>
+<path fill="none" stroke="#000000" d="M78,-54C78,-54 101.9982,-107.088 138.4405,-115.7977"/>
+<polygon fill="#000000" stroke="#000000" points="138.1553,-119.2885 148.5,-117 138.986,-112.3379 138.1553,-119.2885"/>
+</g>
+</g>
+</svg>
diff --git a/src/doc/book/second-edition/src/img/trpl04-03.svg b/src/doc/book/second-edition/src/img/trpl04-03.svg
new file mode 100644
index 000000000..7c153e23a
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl04-03.svg
@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: %3 Pages: 1 -->
+<svg
+ viewBox="0.00 0.00 1000.00 1300.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(4.1667 4.1667) rotate(0) translate(4 298)">
+<title>%3</title>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-298 233,-298 233,4 -4,4"/>
+<!-- table0 -->
+<g id="node1" class="node">
+<title>table0</title>
+<polyline fill="none" stroke="#000000" points="8,-124 96,-124 "/>
+<text text-anchor="start" x="45.7759" y="-129.8" font-family="Times,serif" font-size="14.00" fill="#000000">s2</text>
+<polygon fill="none" stroke="#000000" points="8,-104 8,-124 60,-124 60,-104 8,-104"/>
+<text text-anchor="start" x="18.8413" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">name</text>
+<polygon fill="none" stroke="#000000" points="60,-104 60,-124 96,-124 96,-104 60,-104"/>
+<text text-anchor="start" x="62.8413" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="8,-84 8,-104 60,-104 60,-84 8,-84"/>
+<text text-anchor="start" x="26.2241" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">ptr</text>
+<polygon fill="none" stroke="#000000" points="60,-84 60,-104 96,-104 96,-84 60,-84"/>
+<polygon fill="none" stroke="#000000" points="8,-64 8,-84 60,-84 60,-64 8,-64"/>
+<text text-anchor="start" x="25.4482" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">len</text>
+<polygon fill="none" stroke="#000000" points="60,-64 60,-84 96,-84 96,-64 60,-64"/>
+<text text-anchor="start" x="74.5" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+<polygon fill="none" stroke="#000000" points="8,-44 8,-64 60,-64 60,-44 8,-44"/>
+<text text-anchor="start" x="10.6826" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">capacity</text>
+<polygon fill="none" stroke="#000000" points="60,-44 60,-64 96,-64 96,-44 60,-44"/>
+<text text-anchor="start" x="74.5" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+</g>
+<!-- table1 -->
+<g id="node2" class="node">
+<title>table1</title>
+<polygon fill="none" stroke="#000000" points="148.5,-104 148.5,-124 185.5,-124 185.5,-104 148.5,-104"/>
+<text text-anchor="start" x="151.4482" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">index</text>
+<polygon fill="none" stroke="#000000" points="185.5,-104 185.5,-124 221.5,-124 221.5,-104 185.5,-104"/>
+<text text-anchor="start" x="188.3413" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="148.5,-84 148.5,-104 185.5,-104 185.5,-84 148.5,-84"/>
+<text text-anchor="start" x="163.5" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">0</text>
+<polygon fill="none" stroke="#000000" points="185.5,-84 185.5,-104 221.5,-104 221.5,-84 185.5,-84"/>
+<text text-anchor="start" x="200" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">h</text>
+<polygon fill="none" stroke="#000000" points="148.5,-64 148.5,-84 185.5,-84 185.5,-64 148.5,-64"/>
+<text text-anchor="start" x="163.5" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">1</text>
+<polygon fill="none" stroke="#000000" points="185.5,-64 185.5,-84 221.5,-84 221.5,-64 185.5,-64"/>
+<text text-anchor="start" x="200.3931" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">e</text>
+<polygon fill="none" stroke="#000000" points="148.5,-44 148.5,-64 185.5,-64 185.5,-44 148.5,-44"/>
+<text text-anchor="start" x="163.5" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">2</text>
+<polygon fill="none" stroke="#000000" points="185.5,-44 185.5,-64 221.5,-64 221.5,-44 185.5,-44"/>
+<text text-anchor="start" x="201.5552" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-24 148.5,-44 185.5,-44 185.5,-24 148.5,-24"/>
+<text text-anchor="start" x="163.5" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">3</text>
+<polygon fill="none" stroke="#000000" points="185.5,-24 185.5,-44 221.5,-44 221.5,-24 185.5,-24"/>
+<text text-anchor="start" x="201.5552" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-4 148.5,-24 185.5,-24 185.5,-4 148.5,-4"/>
+<text text-anchor="start" x="163.5" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">4</text>
+<polygon fill="none" stroke="#000000" points="185.5,-4 185.5,-24 221.5,-24 221.5,-4 185.5,-4"/>
+<text text-anchor="start" x="200" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">o</text>
+</g>
+<!-- table0&#45;&gt;table1 -->
+<g id="edge1" class="edge">
+<title>table0:c&#45;&gt;table1:pointee</title>
+<path fill="none" stroke="#000000" d="M78,-94C78,-94 109.3406,-94 138.3797,-94"/>
+<polygon fill="#000000" stroke="#000000" points="138.5,-97.5001 148.5,-94 138.5,-90.5001 138.5,-97.5001"/>
+</g>
+<!-- table3 -->
+<g id="node3" class="node">
+<title>table3</title>
+<polyline fill="none" stroke="#000000" points="8,-270 96,-270 "/>
+<text text-anchor="start" x="45.7759" y="-275.8" font-family="Times,serif" font-size="14.00" fill="#000000">s1</text>
+<polygon fill="none" stroke="#000000" points="8,-250 8,-270 60,-270 60,-250 8,-250"/>
+<text text-anchor="start" x="18.8413" y="-255.8" font-family="Times,serif" font-size="14.00" fill="#000000">name</text>
+<polygon fill="none" stroke="#000000" points="60,-250 60,-270 96,-270 96,-250 60,-250"/>
+<text text-anchor="start" x="62.8413" y="-255.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="8,-230 8,-250 60,-250 60,-230 8,-230"/>
+<text text-anchor="start" x="26.2241" y="-235.8" font-family="Times,serif" font-size="14.00" fill="#000000">ptr</text>
+<polygon fill="none" stroke="#000000" points="60,-230 60,-250 96,-250 96,-230 60,-230"/>
+<polygon fill="none" stroke="#000000" points="8,-210 8,-230 60,-230 60,-210 8,-210"/>
+<text text-anchor="start" x="25.4482" y="-215.8" font-family="Times,serif" font-size="14.00" fill="#000000">len</text>
+<polygon fill="none" stroke="#000000" points="60,-210 60,-230 96,-230 96,-210 60,-210"/>
+<text text-anchor="start" x="74.5" y="-215.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+<polygon fill="none" stroke="#000000" points="8,-190 8,-210 60,-210 60,-190 8,-190"/>
+<text text-anchor="start" x="10.6826" y="-195.8" font-family="Times,serif" font-size="14.00" fill="#000000">capacity</text>
+<polygon fill="none" stroke="#000000" points="60,-190 60,-210 96,-210 96,-190 60,-190"/>
+<text text-anchor="start" x="74.5" y="-195.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+</g>
+<!-- table4 -->
+<g id="node4" class="node">
+<title>table4</title>
+<polygon fill="none" stroke="#000000" points="148.5,-250 148.5,-270 185.5,-270 185.5,-250 148.5,-250"/>
+<text text-anchor="start" x="151.4482" y="-255.8" font-family="Times,serif" font-size="14.00" fill="#000000">index</text>
+<polygon fill="none" stroke="#000000" points="185.5,-250 185.5,-270 221.5,-270 221.5,-250 185.5,-250"/>
+<text text-anchor="start" x="188.3413" y="-255.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="148.5,-230 148.5,-250 185.5,-250 185.5,-230 148.5,-230"/>
+<text text-anchor="start" x="163.5" y="-235.8" font-family="Times,serif" font-size="14.00" fill="#000000">0</text>
+<polygon fill="none" stroke="#000000" points="185.5,-230 185.5,-250 221.5,-250 221.5,-230 185.5,-230"/>
+<text text-anchor="start" x="200" y="-235.8" font-family="Times,serif" font-size="14.00" fill="#000000">h</text>
+<polygon fill="none" stroke="#000000" points="148.5,-210 148.5,-230 185.5,-230 185.5,-210 148.5,-210"/>
+<text text-anchor="start" x="163.5" y="-215.8" font-family="Times,serif" font-size="14.00" fill="#000000">1</text>
+<polygon fill="none" stroke="#000000" points="185.5,-210 185.5,-230 221.5,-230 221.5,-210 185.5,-210"/>
+<text text-anchor="start" x="200.3931" y="-215.8" font-family="Times,serif" font-size="14.00" fill="#000000">e</text>
+<polygon fill="none" stroke="#000000" points="148.5,-190 148.5,-210 185.5,-210 185.5,-190 148.5,-190"/>
+<text text-anchor="start" x="163.5" y="-195.8" font-family="Times,serif" font-size="14.00" fill="#000000">2</text>
+<polygon fill="none" stroke="#000000" points="185.5,-190 185.5,-210 221.5,-210 221.5,-190 185.5,-190"/>
+<text text-anchor="start" x="201.5552" y="-195.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-170 148.5,-190 185.5,-190 185.5,-170 148.5,-170"/>
+<text text-anchor="start" x="163.5" y="-175.8" font-family="Times,serif" font-size="14.00" fill="#000000">3</text>
+<polygon fill="none" stroke="#000000" points="185.5,-170 185.5,-190 221.5,-190 221.5,-170 185.5,-170"/>
+<text text-anchor="start" x="201.5552" y="-175.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-150 148.5,-170 185.5,-170 185.5,-150 148.5,-150"/>
+<text text-anchor="start" x="163.5" y="-155.8" font-family="Times,serif" font-size="14.00" fill="#000000">4</text>
+<polygon fill="none" stroke="#000000" points="185.5,-150 185.5,-170 221.5,-170 221.5,-150 185.5,-150"/>
+<text text-anchor="start" x="200" y="-155.8" font-family="Times,serif" font-size="14.00" fill="#000000">o</text>
+</g>
+<!-- table3&#45;&gt;table4 -->
+<g id="edge2" class="edge">
+<title>table3:c&#45;&gt;table4:pointee</title>
+<path fill="none" stroke="#000000" d="M78,-240C78,-240 109.3406,-240 138.3797,-240"/>
+<polygon fill="#000000" stroke="#000000" points="138.5,-243.5001 148.5,-240 138.5,-236.5001 138.5,-243.5001"/>
+</g>
+</g>
+</svg>
diff --git a/src/doc/book/second-edition/src/img/trpl04-04.svg b/src/doc/book/second-edition/src/img/trpl04-04.svg
new file mode 100644
index 000000000..a0513abd9
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl04-04.svg
@@ -0,0 +1,96 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: %3 Pages: 1 -->
+<svg
+ viewBox="0.00 0.00 1000.00 1000.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(4.1667 4.1667) rotate(0) translate(4 238)">
+<title>%3</title>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-238 233,-238 233,4 -4,4"/>
+<!-- table0 -->
+<g id="node1" class="node">
+<title>table0</title>
+<polygon fill="#c0c0c0" stroke="transparent" points="8,-130 8,-230 96,-230 96,-130 8,-130"/>
+<polyline fill="none" stroke="#000000" points="8,-210 96,-210 "/>
+<text text-anchor="start" x="45.7759" y="-215.8" font-family="Times,serif" font-size="14.00" fill="#000000">s1</text>
+<polygon fill="none" stroke="#000000" points="8,-190 8,-210 60,-210 60,-190 8,-190"/>
+<text text-anchor="start" x="18.8413" y="-195.8" font-family="Times,serif" font-size="14.00" fill="#000000">name</text>
+<polygon fill="none" stroke="#000000" points="60,-190 60,-210 96,-210 96,-190 60,-190"/>
+<text text-anchor="start" x="62.8413" y="-195.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="8,-170 8,-190 60,-190 60,-170 8,-170"/>
+<text text-anchor="start" x="26.2241" y="-175.8" font-family="Times,serif" font-size="14.00" fill="#000000">ptr</text>
+<polygon fill="none" stroke="#000000" points="60,-170 60,-190 96,-190 96,-170 60,-170"/>
+<polygon fill="none" stroke="#000000" points="8,-150 8,-170 60,-170 60,-150 8,-150"/>
+<text text-anchor="start" x="25.4482" y="-155.8" font-family="Times,serif" font-size="14.00" fill="#000000">len</text>
+<polygon fill="none" stroke="#000000" points="60,-150 60,-170 96,-170 96,-150 60,-150"/>
+<text text-anchor="start" x="74.5" y="-155.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+<polygon fill="none" stroke="#000000" points="8,-130 8,-150 60,-150 60,-130 8,-130"/>
+<text text-anchor="start" x="10.6826" y="-135.8" font-family="Times,serif" font-size="14.00" fill="#000000">capacity</text>
+<polygon fill="none" stroke="#000000" points="60,-130 60,-150 96,-150 96,-130 60,-130"/>
+<text text-anchor="start" x="74.5" y="-135.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+</g>
+<!-- table1 -->
+<g id="node3" class="node">
+<title>table1</title>
+<polygon fill="none" stroke="#000000" points="148.5,-127 148.5,-147 185.5,-147 185.5,-127 148.5,-127"/>
+<text text-anchor="start" x="151.4482" y="-132.8" font-family="Times,serif" font-size="14.00" fill="#000000">index</text>
+<polygon fill="none" stroke="#000000" points="185.5,-127 185.5,-147 221.5,-147 221.5,-127 185.5,-127"/>
+<text text-anchor="start" x="188.3413" y="-132.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="148.5,-107 148.5,-127 185.5,-127 185.5,-107 148.5,-107"/>
+<text text-anchor="start" x="163.5" y="-112.8" font-family="Times,serif" font-size="14.00" fill="#000000">0</text>
+<polygon fill="none" stroke="#000000" points="185.5,-107 185.5,-127 221.5,-127 221.5,-107 185.5,-107"/>
+<text text-anchor="start" x="200" y="-112.8" font-family="Times,serif" font-size="14.00" fill="#000000">h</text>
+<polygon fill="none" stroke="#000000" points="148.5,-87 148.5,-107 185.5,-107 185.5,-87 148.5,-87"/>
+<text text-anchor="start" x="163.5" y="-92.8" font-family="Times,serif" font-size="14.00" fill="#000000">1</text>
+<polygon fill="none" stroke="#000000" points="185.5,-87 185.5,-107 221.5,-107 221.5,-87 185.5,-87"/>
+<text text-anchor="start" x="200.3931" y="-92.8" font-family="Times,serif" font-size="14.00" fill="#000000">e</text>
+<polygon fill="none" stroke="#000000" points="148.5,-67 148.5,-87 185.5,-87 185.5,-67 148.5,-67"/>
+<text text-anchor="start" x="163.5" y="-72.8" font-family="Times,serif" font-size="14.00" fill="#000000">2</text>
+<polygon fill="none" stroke="#000000" points="185.5,-67 185.5,-87 221.5,-87 221.5,-67 185.5,-67"/>
+<text text-anchor="start" x="201.5552" y="-72.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-47 148.5,-67 185.5,-67 185.5,-47 148.5,-47"/>
+<text text-anchor="start" x="163.5" y="-52.8" font-family="Times,serif" font-size="14.00" fill="#000000">3</text>
+<polygon fill="none" stroke="#000000" points="185.5,-47 185.5,-67 221.5,-67 221.5,-47 185.5,-47"/>
+<text text-anchor="start" x="201.5552" y="-52.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-27 148.5,-47 185.5,-47 185.5,-27 148.5,-27"/>
+<text text-anchor="start" x="163.5" y="-32.8" font-family="Times,serif" font-size="14.00" fill="#000000">4</text>
+<polygon fill="none" stroke="#000000" points="185.5,-27 185.5,-47 221.5,-47 221.5,-27 185.5,-27"/>
+<text text-anchor="start" x="200" y="-32.8" font-family="Times,serif" font-size="14.00" fill="#000000">o</text>
+</g>
+<!-- table0&#45;&gt;table1 -->
+<g id="edge1" class="edge">
+<title>table0:c&#45;&gt;table1:pointee</title>
+<path fill="none" stroke="#000000" d="M78,-180C78,-180 101.9982,-126.912 138.4405,-118.2023"/>
+<polygon fill="#000000" stroke="#000000" points="138.986,-121.6621 148.5,-117 138.1553,-114.7115 138.986,-121.6621"/>
+</g>
+<!-- table3 -->
+<g id="node2" class="node">
+<title>table3</title>
+<polyline fill="none" stroke="#000000" points="8,-84 96,-84 "/>
+<text text-anchor="start" x="45.7759" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">s2</text>
+<polygon fill="none" stroke="#000000" points="8,-64 8,-84 60,-84 60,-64 8,-64"/>
+<text text-anchor="start" x="18.8413" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">name</text>
+<polygon fill="none" stroke="#000000" points="60,-64 60,-84 96,-84 96,-64 60,-64"/>
+<text text-anchor="start" x="62.8413" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="8,-44 8,-64 60,-64 60,-44 8,-44"/>
+<text text-anchor="start" x="26.2241" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">ptr</text>
+<polygon fill="none" stroke="#000000" points="60,-44 60,-64 96,-64 96,-44 60,-44"/>
+<polygon fill="none" stroke="#000000" points="8,-24 8,-44 60,-44 60,-24 8,-24"/>
+<text text-anchor="start" x="25.4482" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">len</text>
+<polygon fill="none" stroke="#000000" points="60,-24 60,-44 96,-44 96,-24 60,-24"/>
+<text text-anchor="start" x="74.5" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+<polygon fill="none" stroke="#000000" points="8,-4 8,-24 60,-24 60,-4 8,-4"/>
+<text text-anchor="start" x="10.6826" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">capacity</text>
+<polygon fill="none" stroke="#000000" points="60,-4 60,-24 96,-24 96,-4 60,-4"/>
+<text text-anchor="start" x="74.5" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+</g>
+<!-- table3&#45;&gt;table1 -->
+<g id="edge2" class="edge">
+<title>table3:c&#45;&gt;table1:pointee</title>
+<path fill="none" stroke="#000000" d="M78,-54C78,-54 101.9982,-107.088 138.4405,-115.7977"/>
+<polygon fill="#000000" stroke="#000000" points="138.1553,-119.2885 148.5,-117 138.986,-112.3379 138.1553,-119.2885"/>
+</g>
+</g>
+</svg>
diff --git a/src/doc/book/second-edition/src/img/trpl04-05.svg b/src/doc/book/second-edition/src/img/trpl04-05.svg
new file mode 100644
index 000000000..b4bf2ebee
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl04-05.svg
@@ -0,0 +1,87 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: %3 Pages: 1 -->
+<svg
+ viewBox="0.00 0.00 1500.00 650.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(4.1667 4.1667) rotate(0) translate(4 152)">
+<title>%3</title>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-152 357,-152 357,4 -4,4"/>
+<!-- table0 -->
+<g id="node1" class="node">
+<title>table0</title>
+<polyline fill="none" stroke="#000000" points="8,-124 80,-124 "/>
+<text text-anchor="start" x="41.2759" y="-129.8" font-family="Times,serif" font-size="14.00" fill="#000000">s</text>
+<polygon fill="none" stroke="#000000" points="8,-104 8,-124 44,-124 44,-104 8,-104"/>
+<text text-anchor="start" x="10.8413" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">name</text>
+<polygon fill="none" stroke="#000000" points="44,-104 44,-124 80,-124 80,-104 44,-104"/>
+<text text-anchor="start" x="46.8413" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="8,-84 8,-104 44,-104 44,-84 8,-84"/>
+<text text-anchor="start" x="18.2241" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">ptr</text>
+<polygon fill="none" stroke="#000000" points="44,-84 44,-104 80,-104 80,-84 44,-84"/>
+</g>
+<!-- table1 -->
+<g id="node2" class="node">
+<title>table1</title>
+<polyline fill="none" stroke="#000000" points="132,-124 220,-124 "/>
+<text text-anchor="start" x="169.7759" y="-129.8" font-family="Times,serif" font-size="14.00" fill="#000000">s1</text>
+<polygon fill="none" stroke="#000000" points="132,-104 132,-124 184,-124 184,-104 132,-104"/>
+<text text-anchor="start" x="142.8413" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">name</text>
+<polygon fill="none" stroke="#000000" points="184,-104 184,-124 220,-124 220,-104 184,-104"/>
+<text text-anchor="start" x="186.8413" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="132,-84 132,-104 184,-104 184,-84 132,-84"/>
+<text text-anchor="start" x="150.2241" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">ptr</text>
+<polygon fill="none" stroke="#000000" points="184,-84 184,-104 220,-104 220,-84 184,-84"/>
+<polygon fill="none" stroke="#000000" points="132,-64 132,-84 184,-84 184,-64 132,-64"/>
+<text text-anchor="start" x="149.4482" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">len</text>
+<polygon fill="none" stroke="#000000" points="184,-64 184,-84 220,-84 220,-64 184,-64"/>
+<text text-anchor="start" x="198.5" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+<polygon fill="none" stroke="#000000" points="132,-44 132,-64 184,-64 184,-44 132,-44"/>
+<text text-anchor="start" x="134.6826" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">capacity</text>
+<polygon fill="none" stroke="#000000" points="184,-44 184,-64 220,-64 220,-44 184,-44"/>
+<text text-anchor="start" x="198.5" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+</g>
+<!-- table0&#45;&gt;table1 -->
+<g id="edge2" class="edge">
+<title>table0:c&#45;&gt;table1:borrowee</title>
+<path fill="none" stroke="#000000" d="M62,-94C62,-94 93.1184,-94 121.9514,-94"/>
+<polygon fill="#000000" stroke="#000000" points="122,-97.5001 132,-94 122,-90.5001 122,-97.5001"/>
+</g>
+<!-- table2 -->
+<g id="node3" class="node">
+<title>table2</title>
+<polygon fill="none" stroke="#000000" points="272.5,-104 272.5,-124 309.5,-124 309.5,-104 272.5,-104"/>
+<text text-anchor="start" x="275.4482" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">index</text>
+<polygon fill="none" stroke="#000000" points="309.5,-104 309.5,-124 345.5,-124 345.5,-104 309.5,-104"/>
+<text text-anchor="start" x="312.3413" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="272.5,-84 272.5,-104 309.5,-104 309.5,-84 272.5,-84"/>
+<text text-anchor="start" x="287.5" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">0</text>
+<polygon fill="none" stroke="#000000" points="309.5,-84 309.5,-104 345.5,-104 345.5,-84 309.5,-84"/>
+<text text-anchor="start" x="324" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">h</text>
+<polygon fill="none" stroke="#000000" points="272.5,-64 272.5,-84 309.5,-84 309.5,-64 272.5,-64"/>
+<text text-anchor="start" x="287.5" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">1</text>
+<polygon fill="none" stroke="#000000" points="309.5,-64 309.5,-84 345.5,-84 345.5,-64 309.5,-64"/>
+<text text-anchor="start" x="324.3931" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">e</text>
+<polygon fill="none" stroke="#000000" points="272.5,-44 272.5,-64 309.5,-64 309.5,-44 272.5,-44"/>
+<text text-anchor="start" x="287.5" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">2</text>
+<polygon fill="none" stroke="#000000" points="309.5,-44 309.5,-64 345.5,-64 345.5,-44 309.5,-44"/>
+<text text-anchor="start" x="325.5552" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="272.5,-24 272.5,-44 309.5,-44 309.5,-24 272.5,-24"/>
+<text text-anchor="start" x="287.5" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">3</text>
+<polygon fill="none" stroke="#000000" points="309.5,-24 309.5,-44 345.5,-44 345.5,-24 309.5,-24"/>
+<text text-anchor="start" x="325.5552" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="272.5,-4 272.5,-24 309.5,-24 309.5,-4 272.5,-4"/>
+<text text-anchor="start" x="287.5" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">4</text>
+<polygon fill="none" stroke="#000000" points="309.5,-4 309.5,-24 345.5,-24 345.5,-4 309.5,-4"/>
+<text text-anchor="start" x="324" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">o</text>
+</g>
+<!-- table1&#45;&gt;table2 -->
+<g id="edge1" class="edge">
+<title>table1:c&#45;&gt;table2:pointee</title>
+<path fill="none" stroke="#000000" d="M202,-94C202,-94 233.3406,-94 262.3797,-94"/>
+<polygon fill="#000000" stroke="#000000" points="262.5,-97.5001 272.5,-94 262.5,-90.5001 262.5,-97.5001"/>
+</g>
+</g>
+</svg>
diff --git a/src/doc/book/second-edition/src/img/trpl04-06.svg b/src/doc/book/second-edition/src/img/trpl04-06.svg
new file mode 100644
index 000000000..e64415fe4
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl04-06.svg
@@ -0,0 +1,115 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: %3 Pages: 1 -->
+<svg
+ viewBox="0.00 0.00 1000.00 1279.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(4.1667 4.1667) rotate(0) translate(4 275)">
+<title>%3</title>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-275 233,-275 233,4 -4,4"/>
+<!-- table0 -->
+<g id="node1" class="node">
+<title>table0</title>
+<polyline fill="none" stroke="#000000" points="16,-121 88,-121 "/>
+<text text-anchor="start" x="35.6689" y="-126.8" font-family="Times,serif" font-size="14.00" fill="#000000">world</text>
+<polygon fill="none" stroke="#000000" points="16,-101 16,-121 52,-121 52,-101 16,-101"/>
+<text text-anchor="start" x="18.8413" y="-106.8" font-family="Times,serif" font-size="14.00" fill="#000000">name</text>
+<polygon fill="none" stroke="#000000" points="52,-101 52,-121 88,-121 88,-101 52,-101"/>
+<text text-anchor="start" x="54.8413" y="-106.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="16,-81 16,-101 52,-101 52,-81 16,-81"/>
+<text text-anchor="start" x="26.2241" y="-86.8" font-family="Times,serif" font-size="14.00" fill="#000000">ptr</text>
+<polygon fill="none" stroke="#000000" points="52,-81 52,-101 88,-101 88,-81 52,-81"/>
+<polygon fill="none" stroke="#000000" points="16,-61 16,-81 52,-81 52,-61 16,-61"/>
+<text text-anchor="start" x="25.4482" y="-66.8" font-family="Times,serif" font-size="14.00" fill="#000000">len</text>
+<polygon fill="none" stroke="#000000" points="52,-61 52,-81 88,-81 88,-61 52,-61"/>
+<text text-anchor="start" x="66.5" y="-66.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+</g>
+<!-- table4 -->
+<g id="node3" class="node">
+<title>table4</title>
+<polygon fill="none" stroke="#000000" points="148.5,-224 148.5,-244 185.5,-244 185.5,-224 148.5,-224"/>
+<text text-anchor="start" x="151.4482" y="-229.8" font-family="Times,serif" font-size="14.00" fill="#000000">index</text>
+<polygon fill="none" stroke="#000000" points="185.5,-224 185.5,-244 221.5,-244 221.5,-224 185.5,-224"/>
+<text text-anchor="start" x="188.3413" y="-229.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="148.5,-204 148.5,-224 185.5,-224 185.5,-204 148.5,-204"/>
+<text text-anchor="start" x="163.5" y="-209.8" font-family="Times,serif" font-size="14.00" fill="#000000">0</text>
+<polygon fill="none" stroke="#000000" points="185.5,-204 185.5,-224 221.5,-224 221.5,-204 185.5,-204"/>
+<text text-anchor="start" x="200" y="-209.8" font-family="Times,serif" font-size="14.00" fill="#000000">h</text>
+<polygon fill="none" stroke="#000000" points="148.5,-184 148.5,-204 185.5,-204 185.5,-184 148.5,-184"/>
+<text text-anchor="start" x="163.5" y="-189.8" font-family="Times,serif" font-size="14.00" fill="#000000">1</text>
+<polygon fill="none" stroke="#000000" points="185.5,-184 185.5,-204 221.5,-204 221.5,-184 185.5,-184"/>
+<text text-anchor="start" x="200.3931" y="-189.8" font-family="Times,serif" font-size="14.00" fill="#000000">e</text>
+<polygon fill="none" stroke="#000000" points="148.5,-164 148.5,-184 185.5,-184 185.5,-164 148.5,-164"/>
+<text text-anchor="start" x="163.5" y="-169.8" font-family="Times,serif" font-size="14.00" fill="#000000">2</text>
+<polygon fill="none" stroke="#000000" points="185.5,-164 185.5,-184 221.5,-184 221.5,-164 185.5,-164"/>
+<text text-anchor="start" x="201.5552" y="-169.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-144 148.5,-164 185.5,-164 185.5,-144 148.5,-144"/>
+<text text-anchor="start" x="163.5" y="-149.8" font-family="Times,serif" font-size="14.00" fill="#000000">3</text>
+<polygon fill="none" stroke="#000000" points="185.5,-144 185.5,-164 221.5,-164 221.5,-144 185.5,-144"/>
+<text text-anchor="start" x="201.5552" y="-149.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-124 148.5,-144 185.5,-144 185.5,-124 148.5,-124"/>
+<text text-anchor="start" x="163.5" y="-129.8" font-family="Times,serif" font-size="14.00" fill="#000000">4</text>
+<polygon fill="none" stroke="#000000" points="185.5,-124 185.5,-144 221.5,-144 221.5,-124 185.5,-124"/>
+<text text-anchor="start" x="200" y="-129.8" font-family="Times,serif" font-size="14.00" fill="#000000">o</text>
+<polygon fill="none" stroke="#000000" points="148.5,-104 148.5,-124 185.5,-124 185.5,-104 148.5,-104"/>
+<text text-anchor="start" x="163.5" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+<polygon fill="none" stroke="#000000" points="185.5,-104 185.5,-124 221.5,-124 221.5,-104 185.5,-104"/>
+<text text-anchor="start" x="201.75" y="-109.8" font-family="Times,serif" font-size="14.00" fill="#000000"> </text>
+<polygon fill="none" stroke="#000000" points="148.5,-84 148.5,-104 185.5,-104 185.5,-84 148.5,-84"/>
+<text text-anchor="start" x="163.5" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">6</text>
+<polygon fill="none" stroke="#000000" points="185.5,-84 185.5,-104 221.5,-104 221.5,-84 185.5,-84"/>
+<text text-anchor="start" x="198.4448" y="-89.8" font-family="Times,serif" font-size="14.00" fill="#000000">w</text>
+<polygon fill="none" stroke="#000000" points="148.5,-64 148.5,-84 185.5,-84 185.5,-64 148.5,-64"/>
+<text text-anchor="start" x="163.5" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">7</text>
+<polygon fill="none" stroke="#000000" points="185.5,-64 185.5,-84 221.5,-84 221.5,-64 185.5,-64"/>
+<text text-anchor="start" x="200" y="-69.8" font-family="Times,serif" font-size="14.00" fill="#000000">o</text>
+<polygon fill="none" stroke="#000000" points="148.5,-44 148.5,-64 185.5,-64 185.5,-44 148.5,-44"/>
+<text text-anchor="start" x="163.5" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">8</text>
+<polygon fill="none" stroke="#000000" points="185.5,-44 185.5,-64 221.5,-64 221.5,-44 185.5,-44"/>
+<text text-anchor="start" x="201.1689" y="-49.8" font-family="Times,serif" font-size="14.00" fill="#000000">r</text>
+<polygon fill="none" stroke="#000000" points="148.5,-24 148.5,-44 185.5,-44 185.5,-24 148.5,-24"/>
+<text text-anchor="start" x="163.5" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">9</text>
+<polygon fill="none" stroke="#000000" points="185.5,-24 185.5,-44 221.5,-44 221.5,-24 185.5,-24"/>
+<text text-anchor="start" x="201.5552" y="-29.8" font-family="Times,serif" font-size="14.00" fill="#000000">l</text>
+<polygon fill="none" stroke="#000000" points="148.5,-4 148.5,-24 185.5,-24 185.5,-4 148.5,-4"/>
+<text text-anchor="start" x="160" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">10</text>
+<polygon fill="none" stroke="#000000" points="185.5,-4 185.5,-24 221.5,-24 221.5,-4 185.5,-4"/>
+<text text-anchor="start" x="200" y="-9.8" font-family="Times,serif" font-size="14.00" fill="#000000">d</text>
+</g>
+<!-- table0&#45;&gt;table4 -->
+<g id="edge1" class="edge">
+<title>table0:c&#45;&gt;table4:pointee2</title>
+<path fill="none" stroke="#000000" d="M70,-91C70,-91 105.7964,-93.4639 138.4948,-93.9258"/>
+<polygon fill="#000000" stroke="#000000" points="138.4743,-97.4257 148.5,-94 138.5263,-90.4259 138.4743,-97.4257"/>
+</g>
+<!-- table3 -->
+<g id="node2" class="node">
+<title>table3</title>
+<polyline fill="none" stroke="#000000" points="8,-247 96,-247 "/>
+<text text-anchor="start" x="49.2759" y="-252.8" font-family="Times,serif" font-size="14.00" fill="#000000">s</text>
+<polygon fill="none" stroke="#000000" points="8,-227 8,-247 60,-247 60,-227 8,-227"/>
+<text text-anchor="start" x="18.8413" y="-232.8" font-family="Times,serif" font-size="14.00" fill="#000000">name</text>
+<polygon fill="none" stroke="#000000" points="60,-227 60,-247 96,-247 96,-227 60,-227"/>
+<text text-anchor="start" x="62.8413" y="-232.8" font-family="Times,serif" font-size="14.00" fill="#000000">value</text>
+<polygon fill="none" stroke="#000000" points="8,-207 8,-227 60,-227 60,-207 8,-207"/>
+<text text-anchor="start" x="26.2241" y="-212.8" font-family="Times,serif" font-size="14.00" fill="#000000">ptr</text>
+<polygon fill="none" stroke="#000000" points="60,-207 60,-227 96,-227 96,-207 60,-207"/>
+<polygon fill="none" stroke="#000000" points="8,-187 8,-207 60,-207 60,-187 8,-187"/>
+<text text-anchor="start" x="25.4482" y="-192.8" font-family="Times,serif" font-size="14.00" fill="#000000">len</text>
+<polygon fill="none" stroke="#000000" points="60,-187 60,-207 96,-207 96,-187 60,-187"/>
+<text text-anchor="start" x="71.2563" y="-192.8" font-family="Times,serif" font-size="14.00" fill="#000000">11</text>
+<polygon fill="none" stroke="#000000" points="8,-167 8,-187 60,-187 60,-167 8,-167"/>
+<text text-anchor="start" x="10.6826" y="-172.8" font-family="Times,serif" font-size="14.00" fill="#000000">capacity</text>
+<polygon fill="none" stroke="#000000" points="60,-167 60,-187 96,-187 96,-167 60,-167"/>
+<text text-anchor="start" x="71.2563" y="-172.8" font-family="Times,serif" font-size="14.00" fill="#000000">11</text>
+</g>
+<!-- table3&#45;&gt;table4 -->
+<g id="edge2" class="edge">
+<title>table3:c&#45;&gt;table4:pointee</title>
+<path fill="none" stroke="#000000" d="M78,-217C78,-217 109.3179,-214.5994 138.3725,-214.0931"/>
+<polygon fill="#000000" stroke="#000000" points="138.5326,-217.5918 148.5,-214 138.4682,-210.5921 138.5326,-217.5918"/>
+</g>
+</g>
+</svg>
diff --git a/src/doc/book/second-edition/src/img/trpl14-01.png b/src/doc/book/second-edition/src/img/trpl14-01.png
new file mode 100644
index 000000000..5fc59898c
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl14-01.png
Binary files differ
diff --git a/src/doc/book/second-edition/src/img/trpl14-02.png b/src/doc/book/second-edition/src/img/trpl14-02.png
new file mode 100644
index 000000000..78e7e7ba7
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl14-02.png
Binary files differ
diff --git a/src/doc/book/second-edition/src/img/trpl14-03.png b/src/doc/book/second-edition/src/img/trpl14-03.png
new file mode 100644
index 000000000..ef8414507
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl14-03.png
Binary files differ
diff --git a/src/doc/book/second-edition/src/img/trpl14-04.png b/src/doc/book/second-edition/src/img/trpl14-04.png
new file mode 100644
index 000000000..d0ed2ca18
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl14-04.png
Binary files differ
diff --git a/src/doc/book/second-edition/src/img/trpl15-01.svg b/src/doc/book/second-edition/src/img/trpl15-01.svg
new file mode 100644
index 000000000..bbeef968a
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl15-01.svg
@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: %3 Pages: 1 -->
+<svg
+ viewBox="0.00 0.00 1000.00 700.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(4.1667 4.1667) rotate(0) translate(4 156)">
+<title>%3</title>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-156 174,-156 174,4 -4,4"/>
+<!-- table0 -->
+<g id="node1" class="node">
+<title>table0</title>
+<polyline fill="none" stroke="#000000" points="8,-128 162,-128 "/>
+<text text-anchor="start" x="70.6069" y="-133.8" font-family="Times,serif" font-size="14.00" fill="#000000">Cons</text>
+<polygon fill="none" stroke="#000000" points="8,-4 8,-128 31,-128 31,-4 8,-4"/>
+<text text-anchor="start" x="10.5552" y="-61.8" font-family="Times,serif" font-size="14.00" fill="#000000">i32</text>
+<polygon fill="none" stroke="#000000" points="31,-4 31,-128 162,-128 162,-4 31,-4"/>
+<polyline fill="none" stroke="#000000" points="34,-105 159,-105 "/>
+<text text-anchor="start" x="82.1069" y="-110.8" font-family="Times,serif" font-size="14.00" fill="#000000">Cons</text>
+<polygon fill="none" stroke="#000000" points="34,-7 34,-105 57,-105 57,-7 34,-7"/>
+<text text-anchor="start" x="36.5552" y="-51.8" font-family="Times,serif" font-size="14.00" fill="#000000">i32</text>
+<polygon fill="none" stroke="#000000" points="57,-7 57,-105 159,-105 159,-7 57,-7"/>
+<polyline fill="none" stroke="#000000" points="60,-82 156,-82 "/>
+<text text-anchor="start" x="93.6069" y="-87.8" font-family="Times,serif" font-size="14.00" fill="#000000">Cons</text>
+<polygon fill="none" stroke="#000000" points="60,-10 60,-82 83,-82 83,-10 60,-10"/>
+<text text-anchor="start" x="62.5552" y="-41.8" font-family="Times,serif" font-size="14.00" fill="#000000">i32</text>
+<polygon fill="none" stroke="#000000" points="83,-10 83,-82 156,-82 156,-10 83,-10"/>
+<polyline fill="none" stroke="#000000" points="86,-59 153,-59 "/>
+<text text-anchor="start" x="105.1069" y="-64.8" font-family="Times,serif" font-size="14.00" fill="#000000">Cons</text>
+<polygon fill="none" stroke="#000000" points="86,-13 86,-59 109,-59 109,-13 86,-13"/>
+<text text-anchor="start" x="88.5552" y="-31.8" font-family="Times,serif" font-size="14.00" fill="#000000">i32</text>
+<polygon fill="none" stroke="#000000" points="109,-13 109,-59 153,-59 153,-13 109,-13"/>
+<polyline fill="none" stroke="#000000" points="112,-36 150,-36 "/>
+<text text-anchor="start" x="116.6069" y="-41.8" font-family="Times,serif" font-size="14.00" fill="#000000">Cons</text>
+<polygon fill="none" stroke="#000000" points="112,-16 112,-36 135,-36 135,-16 112,-16"/>
+<text text-anchor="start" x="114.5552" y="-21.8" font-family="Times,serif" font-size="14.00" fill="#000000">i32</text>
+<polygon fill="none" stroke="#000000" points="135,-16 135,-36 150,-36 150,-16 135,-16"/>
+<text text-anchor="start" x="137.5098" y="-21.8" font-family="Times,serif" font-size="14.00" fill="#000000">∞</text>
+</g>
+</g>
+</svg>
diff --git a/src/doc/book/second-edition/src/img/trpl15-02.svg b/src/doc/book/second-edition/src/img/trpl15-02.svg
new file mode 100644
index 000000000..4454df8c3
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl15-02.svg
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: %3 Pages: 1 -->
+<svg width="250pt"
+ viewBox="0.00 0.00 363.00 342.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(4.1667 4.1667) rotate(0) translate(4 78)">
+<title>%3</title>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-78 83,-78 83,4 -4,4"/>
+<!-- table0 -->
+<g id="node1" class="node">
+<title>table0</title>
+<polyline fill="none" stroke="#000000" points="8.5,-50 71.5,-50 "/>
+<text text-anchor="start" x="25.6069" y="-55.8" font-family="Times,serif" font-size="14.00" fill="#000000">Cons</text>
+<polygon fill="none" stroke="#000000" points="8.5,-4 8.5,-50 31.5,-50 31.5,-4 8.5,-4"/>
+<text text-anchor="start" x="11.0552" y="-22.8" font-family="Times,serif" font-size="14.00" fill="#000000">i32</text>
+<polygon fill="none" stroke="#000000" points="31.5,-4 31.5,-50 71.5,-50 71.5,-4 31.5,-4"/>
+<polyline fill="none" stroke="#000000" points="34.5,-27 68.5,-27 "/>
+<text text-anchor="start" x="39.8311" y="-32.8" font-family="Times,serif" font-size="14.00" fill="#000000">Box</text>
+<polygon fill="none" stroke="#000000" points="34.5,-7 34.5,-27 68.5,-27 68.5,-7 34.5,-7"/>
+<text text-anchor="start" x="37.1172" y="-12.8" font-family="Times,serif" font-size="14.00" fill="#000000">usize</text>
+</g>
+</g>
+</svg>
diff --git a/src/doc/book/second-edition/src/img/trpl15-03.svg b/src/doc/book/second-edition/src/img/trpl15-03.svg
new file mode 100644
index 000000000..dbc3b5cdb
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl15-03.svg
@@ -0,0 +1,109 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.40.1 (20161225.0304)
+ -->
+<!-- Title: %3 Pages: 1 -->
+ <svg width="750pt"
+ viewBox="0.00 0.00 2500 700" xmlns="http://www.w3.org/2000/svg"
+ xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(4.1667 4.1667) rotate(0) translate(4 148)">
+<title>%3</title>
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-148 418,-148 418,4 -4,4"/>
+<!-- table4 -->
+<g id="node1" class="node">
+<title>table4</title>
+<text text-anchor="start" x="21" y="-121.8" font-family="Times,serif" font-size="14.00" fill="#000000">b</text>
+</g>
+<!-- table5 -->
+<g id="node2" class="node">
+<title>table5</title>
+<polygon fill="none" stroke="#000000" points="104,-116 104,-136 117,-136 117,-116 104,-116"/>
+<text text-anchor="start" x="107" y="-121.8" font-family="Times,serif" font-size="14.00" fill="#000000">3</text>
+<polygon fill="none" stroke="#000000" points="117,-116 117,-136 130,-136 130,-116 117,-116"/>
+<text text-anchor="start" x="120" y="-121.8" font-family="Times,serif" font-size="14.00" fill="#000000"> &#160;</text>
+</g>
+<!-- table4&#45;&gt;table5 -->
+<g id="edge4" class="edge">
+<title>table4:c&#45;&gt;table5:pte4</title>
+<path fill="none" stroke="#000000" d="M34,-126C34,-126 65.1184,-126 93.9514,-126"/>
+<polygon fill="#000000" stroke="#000000" points="94,-129.5001 104,-126 94,-122.5001 94,-129.5001"/>
+</g>
+<!-- table1 -->
+<g id="node4" class="node">
+<title>table1</title>
+<polygon fill="none" stroke="#000000" points="194,-62 194,-82 207,-82 207,-62 194,-62"/>
+<text text-anchor="start" x="197" y="-67.8" font-family="Times,serif" font-size="14.00" fill="#000000">5</text>
+<polygon fill="none" stroke="#000000" points="207,-62 207,-82 220,-82 220,-62 207,-62"/>
+<text text-anchor="start" x="210" y="-67.8" font-family="Times,serif" font-size="14.00" fill="#000000"> &#160;</text>
+</g>
+<!-- table5&#45;&gt;table1 -->
+<g id="edge5" class="edge">
+<title>table5:c&#45;&gt;table1:pte0</title>
+<path fill="none" stroke="#000000" d="M124,-126C124,-126 149.4376,-81.2672 183.6334,-73.2293"/>
+<polygon fill="#000000" stroke="#000000" points="184.4818,-76.6533 194,-72 183.6574,-69.702 184.4818,-76.6533"/>
+</g>
+<!-- table0 -->
+<g id="node3" class="node">
+<title>table0</title>
+<text text-anchor="start" x="110.8931" y="-67.8" font-family="Times,serif" font-size="14.00" fill="#000000">a</text>
+</g>
+<!-- table0&#45;&gt;table1 -->
+<g id="edge1" class="edge">
+<title>table0:c&#45;&gt;table1:pte0</title>
+<path fill="none" stroke="#000000" d="M123,-72C123,-72 154.5629,-72 183.8079,-72"/>
+<polygon fill="#000000" stroke="#000000" points="184,-75.5001 194,-72 184,-68.5001 184,-75.5001"/>
+</g>
+<!-- table2 -->
+<g id="node5" class="node">
+<title>table2</title>
+<polygon fill="none" stroke="#000000" points="281,-62 281,-82 301,-82 301,-62 281,-62"/>
+<text text-anchor="start" x="284" y="-67.8" font-family="Times,serif" font-size="14.00" fill="#000000">10</text>
+<polygon fill="none" stroke="#000000" points="301,-62 301,-82 314,-82 314,-62 301,-62"/>
+<text text-anchor="start" x="304" y="-67.8" font-family="Times,serif" font-size="14.00" fill="#000000"> &#160;</text>
+</g>
+<!-- table1&#45;&gt;table2 -->
+<g id="edge2" class="edge">
+<title>table1:c&#45;&gt;table2:pte1</title>
+<path fill="none" stroke="#000000" d="M214,-72C214,-72 243.2667,-72 270.6585,-72"/>
+<polygon fill="#000000" stroke="#000000" points="271,-75.5001 281,-72 271,-68.5001 271,-75.5001"/>
+</g>
+<!-- table3 -->
+<g id="node6" class="node">
+<title>table3</title>
+<polygon fill="none" stroke="#000000" points="376,-62 376,-82 399,-82 399,-62 376,-62"/>
+<text text-anchor="start" x="378.5552" y="-67.8" font-family="Times,serif" font-size="14.00" fill="#000000">Nil</text>
+</g>
+<!-- table2&#45;&gt;table3 -->
+<g id="edge3" class="edge">
+<title>table2:c&#45;&gt;table3:pte2</title>
+<path fill="none" stroke="#000000" d="M308,-72C308,-72 341.8867,-72 365.5509,-72"/>
+<polygon fill="#000000" stroke="#000000" points="365.8498,-75.5001 375.8497,-72 365.8497,-68.5001 365.8498,-75.5001"/>
+</g>
+<!-- table6 -->
+<g id="node7" class="node">
+<title>table6</title>
+<text text-anchor="start" x="20.8931" y="-13.8" font-family="Times,serif" font-size="14.00" fill="#000000">c</text>
+</g>
+<!-- table7 -->
+<g id="node8" class="node">
+<title>table7</title>
+<polygon fill="none" stroke="#000000" points="104,-8 104,-28 117,-28 117,-8 104,-8"/>
+<text text-anchor="start" x="107" y="-13.8" font-family="Times,serif" font-size="14.00" fill="#000000">4</text>
+<polygon fill="none" stroke="#000000" points="117,-8 117,-28 130,-28 130,-8 117,-8"/>
+<text text-anchor="start" x="120" y="-13.8" font-family="Times,serif" font-size="14.00" fill="#000000"> &#160;</text>
+</g>
+<!-- table6&#45;&gt;table7 -->
+<g id="edge6" class="edge">
+<title>table6:c&#45;&gt;table7:pte6</title>
+<path fill="none" stroke="#000000" d="M33,-18C33,-18 64.5629,-18 93.8079,-18"/>
+<polygon fill="#000000" stroke="#000000" points="94,-21.5001 104,-18 94,-14.5001 94,-21.5001"/>
+</g>
+<!-- table7&#45;&gt;table1 -->
+<g id="edge7" class="edge">
+<title>table7:c&#45;&gt;table1:pte0</title>
+<path fill="none" stroke="#000000" d="M124,-18C124,-18 149.4376,-62.7328 183.6334,-70.7707"/>
+<polygon fill="#000000" stroke="#000000" points="183.6574,-74.298 194,-72 184.4818,-67.3467 183.6574,-74.298"/>
+</g>
+</g>
+</svg>
diff --git a/src/doc/book/second-edition/src/img/trpl15-04.svg b/src/doc/book/second-edition/src/img/trpl15-04.svg
new file mode 100644
index 000000000..96ad98ca1
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl15-04.svg
@@ -0,0 +1,55 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<!-- Generated by graphviz version 2.36.0 (20140111.2315)
+ -->
+<!-- Title: %3 Pages: 1 -->
+<svg width="633pt" height="498pt" viewBox="0.00 0.00 633.33 498.19" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(4.16667 4.16667) rotate(0) translate(4 115.566)">
+<title>%3</title>
+<polygon fill="white" stroke="none" points="-4,4 -4,-115.566 148,-115.566 148,4 -4,4"/>
+<!-- table0 -->
+<g id="node2" class="node"><title>table0</title>
+<polygon fill="none" stroke="black" points="0,-75.5656 0,-111.566 54,-111.566 54,-75.5656 0,-75.5656"/>
+<text text-anchor="middle" x="27" y="-89.8656" font-family="Times,serif" font-size="14.00">a</text>
+</g>
+<!-- table1 -->
+<g id="node4" class="node"><title>table1</title>
+<polygon fill="none" stroke="black" points="90,-75.5656 90,-111.566 144,-111.566 144,-75.5656 90,-75.5656"/>
+<text text-anchor="middle" x="104" y="-89.8656" font-family="Times,serif" font-size="14.00">5</text>
+<polyline fill="none" stroke="black" points="118,-75.5656 118,-111.566 "/>
+<text text-anchor="middle" x="131" y="-89.8656" font-family="Times,serif" font-size="14.00"> </text>
+</g>
+<!-- table2 -->
+<g id="node3" class="node"><title>table2</title>
+<polygon fill="none" stroke="black" points="90,-20.5656 90,-56.5656 144,-56.5656 144,-20.5656 90,-20.5656"/>
+<text text-anchor="middle" x="117" y="-34.8656" font-family="Times,serif" font-size="14.00">b</text>
+</g>
+<!-- table3 -->
+<g id="node1" class="node"><title>table3</title>
+<polygon fill="none" stroke="black" points="0,-20.5656 0,-56.5656 54,-56.5656 54,-20.5656 0,-20.5656"/>
+<text text-anchor="middle" x="16" y="-34.8656" font-family="Times,serif" font-size="14.00">10</text>
+<polyline fill="none" stroke="black" points="32,-20.5656 32,-56.5656 "/>
+<text text-anchor="middle" x="43" y="-34.8656" font-family="Times,serif" font-size="14.00"> </text>
+</g>
+<!-- table0&#45;&gt;table1 -->
+<g id="edge1" class="edge"><title>table0:ref-&gt;table1:data</title>
+<path fill="none" stroke="black" d="M54,-93.5656C66,-93.5656 71.25,-93.5656 78.875,-93.5656"/>
+<polygon fill="black" stroke="black" points="79,-97.0657 89,-93.5656 79,-90.0657 79,-97.0657"/>
+</g>
+<!-- table1&#45;&gt;table2 -->
+<g id="edge2" class="edge"><title>table1:ref-&gt;table2:data</title>
+<path fill="none" stroke="black" d="M123.1403,-65.1315C127.6523,-67.3402 133,-68.812 133,-75"/>
+<polygon fill="black" stroke="black" points="120.233,-67.0895 117,-57 125.8193,-62.8712 120.233,-67.0895"/>
+</g>
+<!-- table2&#45;&gt;table3 -->
+<g id="edge3" class="edge"><title>table2:ref-&gt;table3:data</title>
+<path fill="none" stroke="black" d="M117,-20.5656C117,2.6957 43.7375,5.56532 21.2401,-10.9567"/>
+<polygon fill="black" stroke="black" points="18.2098,-9.20375 16,-19.5656 24.1892,-12.8434 18.2098,-9.20375"/>
+</g>
+<!-- table3&#45;&gt;table0 -->
+<g id="edge4" class="edge"><title>table3:ref-&gt;table0:data</title>
+<path fill="none" stroke="black" d="M33.1409,-66.8685C37.6523,-64.6598 43,-63.188 43,-57"/>
+<polygon fill="black" stroke="black" points="30.233,-64.9105 27,-75 35.8193,-69.1288 30.233,-64.9105"/>
+</g>
+</g>
+</svg>
diff --git a/src/doc/book/second-edition/src/img/trpl20-01.png b/src/doc/book/second-edition/src/img/trpl20-01.png
new file mode 100644
index 000000000..19e2cbc0a
--- /dev/null
+++ b/src/doc/book/second-edition/src/img/trpl20-01.png
Binary files differ