Don't produce [references] in GitHub-like code blocks in comments.

pkg/analyzer/lib/src/generated/parser.dart

Index: pkg/analyzer/lib/src/generated/parser.dart
diff --git a/pkg/analyzer/lib/src/generated/parser.dart b/pkg/analyzer/lib/src/generated/parser.dart
index b15a92ebe857e0be863faa56d532bcefec8053ee..a30590015e6d572203c8f1668268a30a0194ade0 100644
--- a/pkg/analyzer/lib/src/generated/parser.dart
+++ b/pkg/analyzer/lib/src/generated/parser.dart
@@ -4052,7 +4052,8 @@ class Parser {
   /**
    * Return `true` if the given [character] is a valid hexadecimal digit.
    */
-  bool _isHexDigit(int character) => (0x30 <= character && character <= 0x39) ||
+  bool _isHexDigit(int character) =>
+      (0x30 <= character && character <= 0x39) ||
       (0x41 <= character && character <= 0x46) ||
       (0x61 <= character && character <= 0x66);
 
@@ -4326,7 +4327,7 @@ class Parser {
    */
   bool _matchesString(String identifier) =>
       _currentToken.type == TokenType.IDENTIFIER &&
-          _currentToken.lexeme == identifier;
+      _currentToken.lexeme == identifier;
 
   /**
    * If the current token has the given [type], then advance to the next token
@@ -5042,6 +5043,7 @@ class Parser {
     List<CommentReference> references = new List<CommentReference>();
     for (DocumentationCommentToken token in tokens) {
       String comment = token.lexeme;
+      comment = _removeGitHubCodeBlocks(comment);
       int length = comment.length;
       List<List<int>> codeBlockRanges = _getCodeBlockRanges(comment);
       int leftIndex = comment.indexOf('[');
@@ -8008,7 +8010,8 @@ class Parser {
    * was parsed.
    */
   StringLiteral _parseUri() {
-    bool iskeywordAfterUri(Token token) => token.lexeme == Keyword.AS.syntax ||
+    bool iskeywordAfterUri(Token token) =>
+        token.lexeme == Keyword.AS.syntax ||
         token.lexeme == _HIDE ||
         token.lexeme == _SHOW;
     if (!_matches(TokenType.STRING) &&
@@ -8230,6 +8233,25 @@ class Parser {
     return token;
   }
 
+  String _removeGitHubCodeBlocks(String comment) {
+    int index = 0;
+    while (true) {
+      int beginIndex = comment.indexOf('`', index);
+      if (beginIndex == -1) {
+        break;
+      }
+      int endIndex = comment.indexOf('`', beginIndex + 1);
+      if (endIndex == -1) {
+        break;
+      }
+      comment = comment.substring(0, beginIndex + 1) +
+          ' ' * (endIndex - beginIndex - 1) +
+          comment.substring(endIndex);
+      index = endIndex + 1;
+    }
+    return comment;
+  }
+
   /**
    * Report the given [error].
    */
@@ -8741,21 +8763,21 @@ class Parser {
    */
   bool _tokenMatchesIdentifier(Token token) =>
       _tokenMatches(token, TokenType.IDENTIFIER) ||
-          _tokenMatchesPseudoKeyword(token);
+      _tokenMatchesPseudoKeyword(token);
 
   /**
    * Return `true` if the given [token] matches the given [keyword].
    */
   bool _tokenMatchesKeyword(Token token, Keyword keyword) =>
       token.type == TokenType.KEYWORD &&
-          (token as KeywordToken).keyword == keyword;
+      (token as KeywordToken).keyword == keyword;
 
   /**
    * Return `true` if the given [token] matches a pseudo keyword.
    */
   bool _tokenMatchesPseudoKeyword(Token token) =>
       _tokenMatches(token, TokenType.KEYWORD) &&
-          (token as KeywordToken).keyword.isPseudoKeyword;
+      (token as KeywordToken).keyword.isPseudoKeyword;
 
   /**
    * Return `true` if the given [token] matches the given [identifier].