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From: Okam <okamsn@protonmail.com>
To: Michael Heerdegen <michael_heerdegen@web.de>
Cc: help-gnu-emacs@gnu.org
Subject: Re: Command `vc-annotate' runs `help-mode-hook'?
Date: Fri, 16 Oct 2020 21:06:10 +0000	[thread overview]
Message-ID: <1ab7d3c0-a11e-f464-2a37-c2b9460c3d38@protonmail.com> (raw)
In-Reply-To: <87a6wpqpic.fsf@web.de>

On 10/14/20 2:40 AM, Michael Heerdegen wrote:
>> I was trying to add a function to `help-mode-hook' to automatically
>> rename the "*Help*" buffer.
> 
> May I ask why you want to rename it?  I guess it could cause other
> problems.

I found a package that renamed Help buffers to include the name of the 
variable/function being shown, but saw that this broke `vc-annotate' 
This is helpful when I want to refer to multiple "*Help*" buffers.

>> Why does `vc-annotate' run `help-mode-hook'
> 
> That probably comes from `vc-annotate' calling
> `with-output-to-temp-buffer'.  I don't recall why it had been decided
> that this macro performs help-mode setup, but it does.

Thank you.

>> and is there a good way of detecting this and similar cases?
> 
> You could look at the buffer name?  The answer depends on the set of
> cases you want to handle.

This makes sense.  I wasn't sure whether doing so would also have 
unexpected behavior.

With thanks,
Okam





  reply	other threads:[~2020-10-16 21:06 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-13  1:10 Command `vc-annotate' runs `help-mode-hook'? Okam
2020-10-14  6:40 ` Michael Heerdegen
2020-10-16 21:06   ` Okam [this message]
2020-10-16 22:43     ` Stefan Monnier

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