Merge from gnulib.
authorPaul Eggert <eggert@cs.ucla.edu>
Sun, 9 Jun 2013 15:59:30 +0000 (08:59 -0700)
committerPaul Eggert <eggert@cs.ucla.edu>
Sun, 9 Jun 2013 15:59:30 +0000 (08:59 -0700)
commitc0df8da964e7589a5c8eb31517d3fbb01c4b5df9
tree94a2810d50ee2a801db4085b1046f5f80ef2a36e
parente800ee79a3948286dc009e5e2320ce08e9fb4800
Merge from gnulib.

This incorporates:
2013-06-02 sig2str: port to C++
2013-05-29 c-ctype, regex, verify: port to gcc -std=c90 -pedantic
ChangeLog
lib/c-ctype.h
lib/sig2str.h
lib/verify.h