Re: Fontification error backtrace [Was: Why is it so difficult to get a Lisp backtrace?]

[Lars Ingebrigtsen]

Alan Mackenzie <acm@muc.de> writes:

> What it does, on a fontification error during redisplay, is to write a
> backtrace into the *Backtrace* buffer, attempts a pop-to-buffer (which
> isn't working, not surprisingly), and aborts the redisplay.

Sounds promising -- it's very difficult to debug fontification errors
currently, so this would be very welcome.

> As already noted, the *Backtrace* buffer doesn't appear on the screen,
> yet.  Any hints on how to achieve this would be most welcome.

Is `inhibit-redisplay' non-nil at this point?  In that case, `debug'
will just exit immediately...

-- 
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   bloggy blog: http://lars.ingebrigtsen.no