The emacs-library-link Widget

Syntax:

type ::= (emacs-library-link [keyword argument]...  file)

A widget to represent a link to an Emacs Lisp file. Its super is the link widget.

It overrides the :action property, to a function to find the file file.

Example:

(widget-create 'emacs-library-link
               :button-prefix ""
               :button-suffix ""
               :tag "Show yourself, Widget Library!"
               "wid-edit.el")