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Re: Occur stack

From: Juri Linkov
Subject: Re: Occur stack
Date: Thu, 16 Jan 2014 09:57:13 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (x86_64-pc-linux-gnu)

> For things like an occur or grep buffer, I don't think it is necessary
> to keep the actual contents around.  They can be regenerated from
> scratch fast enough, so just keeping the history and possibly a somewhat
> robust cursor location should be enough.  It becomes trickier with stuff
> like grep-find which may run for a while.  Still, having the command
> history to some depth available conveniently is cheap and useful,
> certainly much cheaper than keeping the buffers.

After editing an occur or grep buffer (e.g. removing unnecessary lines
with `flush-lines' or adding more highlighting with `highlight-regexp')
all such changes will be gone.

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