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(standards.info)Graphical Interfaces

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Standards for Graphical Interfaces
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   When you write a program that provides a graphical user interface,
please make it work with X Windows and the GTK toolkit unless the
functionality specifically requires some alternative (for example,
"displaying jpeg images while in console mode").

   In addition, please provide a command-line interface to control the
functionality.  (In many cases, the graphical user interface can be a
separate program which invokes the command-line program.)  This is so
that the same jobs can be done from scripts.

   Please also consider providing a CORBA interface (for use from
GNOME), a library interface (for use from C), and perhaps a
keyboard-driven console interface (for use by users from console mode).
Once you are doing the work to provide the functionality and the
graphical interface, these won't be much extra work.