Merging upstream version 1.70.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 4 insertions, 5 deletions

diff --git a/vendor/syn/README.md b/vendor/syn/README.md
index eeef83dd5..24aea1700 100644
--- a/vendor/syn/README.md
+++ b/vendor/syn/README.md
@@ -46,7 +46,7 @@ contains some APIs that may be useful more generally.
 [`syn::DeriveInput`]: https://docs.rs/syn/1.0/syn/struct.DeriveInput.html
 [parser functions]: https://docs.rs/syn/1.0/syn/parse/index.html
 
-*Version requirement: Syn supports rustc 1.31 and up.*
+*Version requirement: Syn supports rustc 1.56 and up.*
 
 [*Release notes*](https://github.com/dtolnay/syn/releases)
 
@@ -76,7 +76,7 @@ tokens back to the compiler to compile into the user's crate.
 
 ```toml
 [dependencies]
-syn = "1.0"
+syn = "2.0"
 quote = "1.0"
 
 [lib]
@@ -104,9 +104,8 @@ pub fn my_macro(input: TokenStream) -> TokenStream {
 ```
 
 The [`heapsize`] example directory shows a complete working implementation of a
-derive macro. It works on any Rust compiler 1.31+. The example derives a
-`HeapSize` trait which computes an estimate of the amount of heap memory owned
-by a value.
+derive macro. The example derives a `HeapSize` trait which computes an estimate
+of the amount of heap memory owned by a value.
 
 [`heapsize`]: examples/heapsize