introduced ISTILE, which can be easily extended with other layout functions to allow reuse of setmwfact() and zoom()

config.h

@@ -22,14 +22,15 @@ Rule rules[] = {
 };
 
 /* layout(s) */
+#define ISTILE			isarrange(tile)
+#define MWFACT			0.6	/* master width factor [0.1 .. 0.9] */
+#define RESIZEHINTS		True	/* False - respect size hints in tiled resizals */
+#define SNAP			32	/* snap pixel */
 Layout layouts[] = {
 	/* symbol		function */
 	{ "[]=",		tile }, /* first entry is default */
 	{ "><>",		floating },
 };
-#define RESIZEHINTS		True	/* False - respect size hints in tiled resizals */
-#define MWFACT			0.6	/* master width factor [0.1 .. 0.9] */
-#define SNAP			32	/* snap pixel */
 
 /* key definitions */
 #define MODKEY			Mod1Mask