FRAME_NO_SPECIAL_GLYPHS 1249 src/frame.h    #define FRAME_NO_SPECIAL_GLYPHS(f) ((f)->no_special_glyphs)
FRAME_NO_SPECIAL_GLYPHS 1268 src/frame.h    #define FRAME_NO_SPECIAL_GLYPHS(f) ((void) (f), 0)