2005-12-20:
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* Add Protocol.do_one_event and Protocol.do_pending.

2002-05-03:
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General Changes
* Merging CamlTk and LablTk API interfaces
* Activate and Deactivate Events are added
* Virtual events support
* Added UTF conversion

Incompatibilities between the previous camltk/labltk versions
* CamlTk's bind_tag and bind_class superseded tag_bind and class_bind.
* added optional arguments to some functions of CamlTk.
* The library name libfrx and libjpf are changed to frxlib and jpflib
  respectively, to avoid the library name confusion.