applied Jukkas prev/next patch with XK_{h,l}

dwm.h

@@ -143,6 +143,8 @@ extern void replacetag(Arg *arg);
 extern void settags(Client *c);
 extern void togglemode(Arg *arg);
 extern void view(Arg *arg);
+extern void viewnext(Arg *arg);
+extern void viewprev(Arg *arg);
 
 /* util.c */
 extern void *emallocz(unsigned int size);

event.c

@@ -32,8 +32,10 @@ static Key key[] = {
 	{ MODKEY,		XK_2,		view,		{ .i = Tnet } }, 
 	{ MODKEY,		XK_3,		view,		{ .i = Twork } }, 
 	{ MODKEY,		XK_4,		view,		{ .i = Tmisc} }, 
+	{ MODKEY,		XK_h,		viewprev,	{ 0 } },
 	{ MODKEY,		XK_j,		focusnext,	{ 0 } }, 
 	{ MODKEY,		XK_k,		focusprev,	{ 0 } },
+	{ MODKEY,		XK_l,		viewnext,	{ 0 } },
 	{ MODKEY,		XK_m,		togglemax,	{ 0 } }, 
 	{ MODKEY,		XK_space,	togglemode,	{ 0 } }, 
 	{ MODKEY,		XK_Return,	zoom,		{ 0 } },

tag.c

@@ -216,3 +216,17 @@ view(Arg *arg)
 	arrange(NULL);
 	drawall();
 }
+
+void
+viewnext(Arg *arg)
+{
+	arg->i = (tsel < TLast-1) ? tsel+1 : 0;
+	view(arg);
+}
+
+void
+viewprev(Arg *arg)
+{
+	arg->i = (tsel > 0) ? tsel-1 : TLast-1;
+	view(arg);
+}