bug#18823: Built-in support for visiting compressed files

[Lars Ingebrigtsen]

Eli Zaretskii <eliz@gnu.org> writes:

> To insert text, you must make the buffer into which you insert be the
> current buffer.  That's how the low-level insertion primitives work.
> So what will insert-into-buffer do that is different (and more
> efficient) than the contortion you need to do now, which involves
> temporary switch to the target buffer?

It just does the contortion for you.

This sort of thing comes up mostly when doing stuff with temporary
buffers, so I wonder whether we should consider adding a special form
for it.  That is, something like `with-temp-buffer-and-insert' that
would work identically as `with-temp-buffer', but insert the contents of
the buffer into the current buffer before killing the temporary
buffer...

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