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bug#7044: 24.0.50; Emacs crashes after calling ediff-regions-linewise


From: Chong Yidong
Subject: bug#7044: 24.0.50; Emacs crashes after calling ediff-regions-linewise
Date: Sat, 02 Oct 2010 21:00:06 -0400
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

Juanma Barranquero <address@hidden> writes:

>   Fmarker_position (current_buffer->mark)
>
> returns nil, and so beg is assigned XINT (nil), which is a bug.
>
> Now, shouldn't current_buffer->mark_active be nil if the mark points
> nowhere?

No; it's possible that the buffer-local variable mark-active has been
set but the actual marker hasn't been assigned yet.  This was an
oversight on my part, and I've now checked in a fix.

Thanks.





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