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To:	cygwin AT cygwin DOT com
From:	Will Parsons <varro AT nodomain DOT invalid>
Subject:	xemacs crash when fontifying files
Date:	Thu, 12 Feb 2015 23:17:01 +0000 (UTC)
Lines:	51
Message-ID:	<slrnmdqd3c.2p3.varro@anukis.local>
Reply-To:	gyliamos AT gmail DOT com
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I've recently noticed that xemacs will crash if one attempts to turn on
syntax highlighting via turn-on-font-lock (even started with the -q option),
but only if run under X.  (If X is not running, there is no problem.)  The
crash causes the following to print:

Lisp backtrace follows:

  dispatch-non-command-events()
  # (condition-case ... . ((nil)))
  progress-feedback-dispatch-non-command-events()
  # bind (tmsg top frame value message label)
  append-progress-feedback(font-lock "Fontifying recdabas.c..." 0 nil)
  # bind (frame value message label)
  display-progress-feedback(font-lock "Fontifying recdabas.c..." 0)
  # bind (str)
  # (unwind-protect ...)
  # bind (args value fmt label)
  progress-feedback-with-label(font-lock "Fontifying %s..." 0 "recdabas.c")
  # bind (maybe-loudly end beg)
  font-lock-default-unfontify-region(1 32102 t)
  # bind (loudly end beg)
  font-lock-unfontify-region(1 32102 t)
  # bind (was-on font-lock-verbose font-lock-message-threshold aborted)
  # (unwind-protect ...)
  font-lock-default-fontify-buffer()
  # bind (font-lock-verbose)
  font-lock-fontify-buffer()
  # bind (on-p maximum-size arg)
  font-lock-mode(1)
  #<compiled-function nil "...(4)" [font-lock-mode 1] 2 ("/usr/share/xemacs-21.4.23/lisp/font-lock.elc" . 36897) nil>()
  call-interactively(turn-on-font-lock)
  command-execute(turn-on-font-lock t)
  # bind (_execute_command_keys_ _execute_command_name_ prefix-arg)
  execute-extended-command(nil)
  # bind (command-debug-status)
  call-interactively(execute-extended-command)
  # (condition-case ... . error)
  # (catch top-level ...)
Segmentation fault (core dumped)


Although I don't use XEmacs a lot, I do have it configured as the editor to
use for entering configuration control check-in messages, so I think the
problem must be fairly recent or I would have noticed it before.

(If this problem is better posted to the Cygwin-xfree list, let me know and
I'll post it there.)


-- 
Will


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