Use bool for Emacs Lisp booleans.
This is more natural, and on my platform (GCC 4.7.1 x86-64) it makes Emacs's text size .03% smaller and presumably a bit faster. * admin/merge-gnulib (GNULIB_MODULES): Add stdbool. This documents a new direct dependency; stdbool was already being used indirectly via other gnulib modules. * lib-src/make-docfile.c (enum global_type): Sort values roughly in decreasing alignment, except put functions last. (compare_globals): Use this new property of enum global_type. (write_globals): Use bool, not int, for booleans. * src/lisp.h: Include <stdbool.h>. (struct Lisp_Boolfwd, defvar_bool): * src/lread.c (defvar_bool): Use bool, not int, for Lisp booleans. * src/regex.c [!emacs]: Include <stdbool.h>. (false, true): Remove; <stdbool.h> does this for us now.
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