linespacing      3868 ext/gd/gd.c    				strex.linespacing = zval_get_double(item);
linespacing       471 ext/gd/libgd/gd.h 	double linespacing;	/* fine tune line spacing for '\n' */
linespacing       848 ext/gd/libgd/gdft.c 		linespace = strex->linespacing;