Alex Rozenman d236ad946b Do not allow identifiers that start with a negative number. ...

Reported by Paul Hilfinger as a side effect of named references
support at
<http://lists.gnu.org/archive/html/bug-bison/2011-01/msg00000.html>.
Suggested by Paul Eggert.
* src/scan-code.l ({letter}, {id}): Adjust lexical definitions.
* src/scan-gram.l ({letter}, {id}): Likewise.

2011-01-05 16:22:18 +02:00

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