bug#55863: 29.0.50; [PATCH] Avoid hanging chad of *Backtrace*

[Lars Ingebrigtsen]

dick <dick.r.chiang@gmail.com> writes:

> So I set about replacing kill-buffer with bury-buffer, then demoting
> the *Backtrace* buffer from debugger-mode to backtrace-mode, and
> realized maybe kill-buffer is best.

Ah, we already have a nice mode for "dead" backtrace buffers like this
(i.e., where `e' and friends don't work), so that makes it even easier.

So I've now done this on the trunk.

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