Eric Blake wrote: > > + /* There is no need to check whether RE_SYNTAX_EMACS is > > + (RE_CHAR_CLASSES | RE_INTERVALS), corresponding to > > + Emacs 21 (2001) and later, because Gnulib's lib/regex.h > > + is always used and has this value. */ > > Or are we really guaranteed that even when we use gnulib's regex > module, we are using gnulib's regex.h but can still use the unreplaced > glibc implementations?
Yes, we have this guarantee (unless the maintainer has forgotten to add the appropriate -I options to their Makefile.am, but that would most likely cause trouble elsewhere). Bruno