single_display_spec_string_p 6359 src/xdisp.c    	  if (single_display_spec_string_p (XCAR (prop), string))
single_display_spec_string_p 6369 src/xdisp.c    	if (single_display_spec_string_p (AREF (prop, i), string))
single_display_spec_string_p 6373 src/xdisp.c        return single_display_spec_string_p (prop, string);