FRAME_MUST_WRITE_SPACES 1182 src/dispnew.c  	  if (FRAME_MUST_WRITE_SPACES (f))
FRAME_MUST_WRITE_SPACES 1213 src/dispnew.c    if (!FRAME_MUST_WRITE_SPACES (f))
FRAME_MUST_WRITE_SPACES 5260 src/dispnew.c    bool write_spaces_p = FRAME_MUST_WRITE_SPACES (f);