This issue is dependant on issue #2.
There are up to four fields in a menu line. They are of the form
[tag] (label) {command} <'icon'>
The <'icon'> field is always optional when shown below. If specified, the icon will be scaled down and displayed in the menu alongside the text label of the item. It must be in .xpm or .png format.
This issue is dependant on issue #2.