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bug#5293: 23.1; unload-feature on buffer-local hooks

From: Kevin Ryde
Subject: bug#5293: 23.1; unload-feature on buffer-local hooks
Date: Sat, 06 Aug 2011 11:20:41 +1000
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/23.3 (gnu/linux)

reopen 5293

Stefan Monnier <address@hidden> writes:
>> No, just the hooks.  If it makes sense to remove unloaded funcs from
>> hook global values then surely the same rationale applies to remove them
>> from the buffer-local values too.
> Agreed.  Someone would have to try it out to see if it can be
> done efficiently.

Reopened for that, or failing that then for clarifying the docstring.

I imagine there's not normally many hooks or many buffers, or many
buffer-local variables, whichever one of those was the efficient way to
scan ... and unload-feature isn't used very much anyway.

(Actually the way unload-feature seems not much used and not getting
much attention from packages makes me wonder if it's worth bothering.
But if unload-feature did a little more then it would increase its
usefulness, perhaps to the point where it would be used more :-)

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