diff options
Diffstat (limited to 'src/libsyntax/ext')
| -rw-r--r-- | src/libsyntax/ext/tt/macro_rules.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libsyntax/ext/tt/macro_rules.rs b/src/libsyntax/ext/tt/macro_rules.rs index bfd76db0359..82fa0f8a8b2 100644 --- a/src/libsyntax/ext/tt/macro_rules.rs +++ b/src/libsyntax/ext/tt/macro_rules.rs @@ -972,6 +972,7 @@ fn can_be_followed_by_any(frag: &str) -> bool { /// we expanded `expr` to include a new binary operator, we might /// break macros that were relying on that binary operator as a /// separator. +// when changing this do not forget to update doc/book/macros.md! fn is_in_follow(_: &ExtCtxt, tok: &Token, frag: &str) -> Result<bool, String> { if let &CloseDelim(_) = tok { // closing a token tree can never be matched by any fragment; |