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diff --git a/vendor/html5ever/src/tree_builder/types.rs b/vendor/html5ever/src/tree_builder/types.rs
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+// Copyright 2014-2017 The html5ever Project Developers. See the
+// COPYRIGHT file at the top-level directory of this distribution.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! Types used within the tree builder code.  Not exported to users.
+
+use crate::tokenizer::states::RawKind;
+use crate::tokenizer::Tag;
+
+use crate::tendril::StrTendril;
+
+pub use self::FormatEntry::*;
+pub use self::InsertionMode::*;
+pub use self::InsertionPoint::*;
+pub use self::ProcessResult::*;
+pub use self::SplitStatus::*;
+pub use self::Token::*;
+
+#[derive(PartialEq, Eq, Copy, Clone, Debug)]
+pub enum InsertionMode {
+    Initial,
+    BeforeHtml,
+    BeforeHead,
+    InHead,
+    InHeadNoscript,
+    AfterHead,
+    InBody,
+    Text,
+    InTable,
+    InTableText,
+    InCaption,
+    InColumnGroup,
+    InTableBody,
+    InRow,
+    InCell,
+    InSelect,
+    InSelectInTable,
+    InTemplate,
+    AfterBody,
+    InFrameset,
+    AfterFrameset,
+    AfterAfterBody,
+    AfterAfterFrameset,
+}
+
+#[derive(PartialEq, Eq, Copy, Clone, Debug)]
+pub enum SplitStatus {
+    NotSplit,
+    Whitespace,
+    NotWhitespace,
+}
+
+/// A subset/refinement of `tokenizer::Token`.  Everything else is handled
+/// specially at the beginning of `process_token`.
+#[derive(PartialEq, Eq, Clone, Debug)]
+pub enum Token {
+    TagToken(Tag),
+    CommentToken(StrTendril),
+    CharacterTokens(SplitStatus, StrTendril),
+    NullCharacterToken,
+    EOFToken,
+}
+
+pub enum ProcessResult<Handle> {
+    Done,
+    DoneAckSelfClosing,
+    SplitWhitespace(StrTendril),
+    Reprocess(InsertionMode, Token),
+    ReprocessForeign(Token),
+    Script(Handle),
+    ToPlaintext,
+    ToRawData(RawKind),
+}
+
+pub enum FormatEntry<Handle> {
+    Element(Handle, Tag),
+    Marker,
+}
+
+pub enum InsertionPoint<Handle> {
+    /// Insert as last child in this parent.
+    LastChild(Handle),
+    /// Insert before this following sibling.
+    BeforeSibling(Handle),
+    /// Insertion point is decided based on existence of element's parent node.
+    TableFosterParenting {
+        element: Handle,
+        prev_element: Handle,
+    },
+}