REG_ESPACE        388 lib/regex.h    #define REG_ESPACE	_REG_ESPACE
REG_ESPACE        814 src/regex-emacs.c   REG_ESPACE,		/* Ran out of memory.  */
REG_ESPACE        315 test/manual/etags/c-src/emacs/src/regex.h   REG_ESPACE,		/* Ran out of memory.  */