doc: reformat grammar snippets.

* doc/bison.texinfo: Convert the grammar examples to
use a narrower style.  This helps fitting into the
@smallbook constraints.
http://lists.gnu.org/archive/html/bison-patches/2012-03/msg00011.html
This commit is contained in:
Akim Demaille
2012-03-16 14:26:00 +01:00
parent c93f22fcf7
commit 5e9b6624d7

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