- * Marks as selected the colour menu item matching the given name, or the
- * first item ('None') if no match is found
+ * Marks as selected the colour menu item matching the given colour scheme, or
+ * the first item ('None') if no match is found. If the colour scheme is a
+ * user defined scheme, but not in the menu (this arises if a new scheme is
+ * defined and applied but not saved to file), then menu option
+ * "User Defined.." is selected.