Binary package “iwidgets4-doc” in ubuntu trusty
[incr Widgets] Tk-based widget collection - man pages
[incr Widgets] (or iwidgets) is an object-oriented "mega-widget" set,
or collection of high-level user-interface components, based on the
popular Tk toolkit and the itcl/itk OO framework. This package
contains man pages documenting the widget classes.