bug#4291: 23.1; doc-view-mode temporary directory vulnerable to denial of service

[Lars Magne Ingebrigtsen]

Stefan Monnier <monnier@iro.umontreal.ca> writes:

> IIRC /tmp/docview$uid is predictable because doc-view tries to reuse
> previouly-rendered pages.  I'm not convinced this is really a good
> feature, but obviously the author thought it was important, so I'd
> rather not drop it without a discussion.

It could just stash the directory name in a variable, and use the normal
`make-temp-file' to create the directory, couldn't it?

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