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Do not allow NUL bytes in string literals or character constants.

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Paul Eggert
2003-10-07 07:32:57 +00:00
parent 91d2c560a8
commit 92ac370570
3 changed files with 17 additions and 1 deletions
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doc/bison.texinfo
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@@ -2481,7 +2481,8 @@ does not enforce this convention, but if you depart from it, people who
read your program will be confused.
All the escape sequences used in string literals in C can be used in
Bison as well. However, unlike Standard C, trigraphs have no special
Bison as well, except that you must not use a null character within a
string literal. Also, unlike Standard C, trigraphs have no special
meaning in Bison string literals, nor is backslash-newline allowed. A
literal string token must contain two or more characters; for a token
containing just one character, use a character token (see above).