Syntax
Def:Radio:%panel.%radio [*]%label[*] Def:String:%panel.%radio.1 [*]%label-one[*] Def:String:%panel.%radio.2 [*]%label-two[*] Def:String:%panel.%radio.3 [*]...[*]
%panel specifies the name of the panel which contains that particular control. %radio specifies the name of a radio group control. %label specifies the label for a control. %label-one specifies the label for the first radio button. %label-two specifies the label for the second radio button. ... indicates that you can have as many radio buttons as you want.
Example
Def:Radio:emacs.dialog.properties.eol [*]File type:[*] Def:String:emacs.dialog.properties.eol.1 [*]Windows[*] Def:String:emacs.dialog.properties.eol.2 [*]Macintosh[*] Def:String:emacs.dialog.properties.eol.3 [*]Unix[*]