parser: use %empty
authorAkim Demaille <akim@lrde.epita.fr>
Sat, 9 Feb 2013 12:47:14 +0000 (13:47 +0100)
committerAkim Demaille <akim@lrde.epita.fr>
Mon, 18 Feb 2013 09:01:27 +0000 (10:01 +0100)
commitfd003416d59cae9645d164b12495eb186efee848
treebbc1b4e853fa9682738fd4b14b2f1a5b951200c8
parentae2b48f5c00b50f1873dc205020288c19bd1c27c
parser: use %empty

Avoid that Bison's own use of "bison -Wall" trigger warnings.

* src/parse-gram.y: Use %empty for every empty rule.
src/parse-gram.y