Akim Demaille c4e3a1622d warnings: simplify the m4 interface ...

* data/bison.m4 (error_at): Replace...
(error): this.
(b4_warn, b4_complain, b4_fatal): Bounce to their _at equivalent,
with empty location.
* src/scan-skel.l (at_directive_perform): Simplify accordingly.

2012-10-01 16:47:50 +02:00

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