Add a toggle command for the stylefile.

The patch adds some better formatting for the manpage too.

Thanks to Nick <suckless-dev@njw.me.uk> for the toggle patch!

surf.1

@@ -18,10 +18,13 @@ one can point surf to another URI by setting its XProperties.
 .SH OPTIONS
 .TP
 .B \-c cookiefile 
-Specify the cookiefile to use.
+Specify the
+.I cookiefile
+to use.
 .TP
 .B \-e xid
-Reparents to window specified by xid.
+Reparents to window specified by
+.I xid.
 .TP
 .B \-i
 Disable Images
@@ -33,16 +36,20 @@ Disable the Web Inspector (Developer Tools).
 Disable Plugins
 .TP
 .B \-r scriptfile 
-Specify the user scriptfile.
+Specify the user
+.I scriptfile.
 .TP
 .B \-s
 Disable Javascript
 .TP
 .B \-t stylefile
-Specify the user stylefile.
+Specify the user
+.I stylefile.
 .TP
 .B \-u useragent 
-Specify the useragent which surf should use.
+Specify the
+.I useragent
+which surf should use.
 .TP
 .B \-v
 Prints version information to standard output, then exits.
@@ -129,6 +136,11 @@ Toggle caret browsing.
 .B Ctrl\-Shift\-i
 Toggle auto-loading of images.
 .TP
+.B Ctrl\-Shift\-m
+Toggle if the
+.I stylefile 
+file should be loaded.
+.TP
 .B Ctrl\-Shift\-s
 Toggle script execution.
 .TP
@@ -139,7 +151,9 @@ Toggle the enabling of plugins on that surf instance.
 Toggle fullscreen mode.
 .SH ENVIRONMENT
 .B SURF_USERAGENT
-If this variable is set upon startup, surf will use it as the useragent string
+If this variable is set upon startup, surf will use it as the
+.I useragent
+string
 .TP
 .B http_proxy
 If this variable is set and not empty upon startup, surf will use it as the http proxy