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identifiers: dashes are letters.

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Dashes can now start identifiers (symbols and directives).

	* src/scan-gram.l ({letter}): Add dash.
	({id}): Remove it.
	* tests/input.at (Symbols): Adjust.
	Remove stray comment.
	* tests/regression.at (Invalid inputs): Adjust error message.
	* doc/bison.texinfo (Symbols): Update.
This commit is contained in:
Akim Demaille
2009-05-04 21:15:17 +02:00
parent 98a345a219
commit cdf3f11338
6 changed files with 33 additions and 18 deletions
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8
NEWS
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@@ -70,6 +70,14 @@ Bison News
The old names are now deprecated but will be maintained indefinitely
for backward compatibility.
** Symbols names
Consistently with directives (such as %error-verbose) and variables
(e.g. push-pull), symbol names may include dashes in any position,
similarly to periods and underscores. This is GNU extension over
POSIX Yacc whose use is reported by -Wyacc, and rejected in Yacc
mode (--yacc).
** Temporary hack for adding a semicolon to the user action.
Previously, Bison appended a semicolon to every user action for