composition_gstring_p 1343 src/composite.c if (composition_gstring_p (lgstring)) composition_gstring_p 1391 src/composite.c if (! composition_gstring_p (lgstring) composition_gstring_p 340 src/composite.h extern bool composition_gstring_p (Lisp_Object); composition_gstring_p 4361 src/font.c if (! composition_gstring_p (gstring))