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Forward-char at end of buffer

From: Whitfield Diffie
Subject: Forward-char at end of buffer
Date: Mon, 26 Jun 2006 11:17:18 -0700

                                Monday  26 June 2006  at 11:09

    Am I missing something?

    Visit an empty buffer in a fresh --no-init emacs.  Set debug-on-error
to true and type a control -f.  An `end of buffer error will appear in the
echo area but no backtrace.  Type control-x control-x and a `No mark set in
this buffer' error message appears and causes a backtrace.

    Alternatively in the same circumstances, evaluate

        (progn (setq aa 1) (forward-char 1) (setq bb 2))

The variable aa now has the value 1 and bb is undefined.

    This seems to be true in emacs 21 on both Solaris and MacOs X.
Forward-char wasn't meant to produce an untrapped error was it?


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