Known bugs
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¬	Mouse positions are wrong if emacs is diplaying multiple characters per byte in the file i.e. if emacs displays control codes like "^@" or "\237".

¬	Directories are not selectable in the openPanel.

¬	The open and save panel don't remember the last used directory between sessions.  Or: query emacs for current buffers working directory.  (This is not really a bug, but a missing feature.)

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There are a number of weaknesses from a NeXTSTEP compliance point of view.  Some of these are the fault of emacs itself, and are to be resolved in future releases of emacs.  For example, you cannot get "gray block" feedback when selecting a region.  However, the region is selected and can be cut or copied.