Add zoom level support.

surf.1

@@ -9,6 +9,7 @@ surf \- simple webkit-based browser
 .RB [-r\ scriptfile]
 .RB [-t\ stylefile]
 .RB [-u\ useragent]
+.RB [-z\ zoomlevel]
 .RB "URI"
 .SH DESCRIPTION
 surf is a simple Web browser based on WebKit/GTK+. It is able
@@ -92,6 +93,11 @@ Prints version information to standard output, then exits.
 .TP
 .B \-x
 Prints xid to standard output. This can be used to script the browser by using
+.TP
+.B \-z zoomlevel 
+Specify the
+.I zoomlevel
+which surf should use.
 .BR xprop(1).
 .SH USAGE
 .B Escape