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trying again wrt xemacs segfault
- From: ht at cogsci dot ed dot ac dot uk (Henry S. Thompson)
- To: cygwin at cygwin dot com
- Date: 15 Jan 2002 10:42:52 +0000
- Subject: trying again wrt xemacs segfault
Here's what I keep trying to say:
[I sent this to comp.emacs.xemacs a week ago, no replies]
I'm getting a segfault during fontification in xemacs
21.4.6-built-for-cygwin, the binary (setup.exe) xemacs distribution, when
re_search_2 calls re_match_2_internal at offset 1016
I'm running cygwin 1.3.6-6.
This is the same fault I hit with 21.4.5.
Doesn't happen with 21.4.3.
File to provoke the fault attached -- I'm using the
html-font-lock-keywords from psgml-html.el
A more attentive check shows that fontification of the crash-provoking
file under 21.4.3 provokes an abort! Modest work with edebug does not
reveal any way of finding how the abort is being raised. . . ah, if I
edit out the condition-case in font-lock-default-fontify-buffer, I see
File mode specification error: (error "Stack overflow in regexp matcher")
So it seems possible that under 21.4.5 and .6, under cygwin, (some)
stack overflows cause a segfault --- does this help localise the
The previous messages contain the .htm file which provokes the crash.
I'm baffled by the mailer problem -- my outgoing archive shows a
multi-part mime message with a plain part followed by the attachment,
but the archive  and the message as received show only the
attachment. Has there been a change in list software recently?
Henry S. Thompson, HCRC Language Technology Group, University of Edinburgh
W3C Fellow 1999--2001, part-time member of W3C Team
2 Buccleuch Place, Edinburgh EH8 9LW, SCOTLAND -- (44) 131 650-4440
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