GNU bug report logs - #33255
27.0.50; expand-file-name: default directory expanded twice if relative

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Message #46 received at 33255 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Glenn Morris <rgm <at> gnu.org>
Cc: 33255 <at> debbugs.gnu.org, immerrr again <immerrr <at> gmail.com>,
 Noam Postavsky <npostavs <at> gmail.com>
Subject: Re: 27.0.50; expand-file-name: default directory expanded twice if
 relative
Date: Fri, 23 Nov 2018 12:22:19 -0800

Glenn Morris wrote:
> So far all I see from POSIX is that it doesn't say anything about whether HOME is absolute or not.

By not saying anything POSIX gives permission to the application to set HOME to 
a relative name. When POSIX intends the requirement that an environment 
variable's value must be absolute (e.g., PWD), it says so. When it doesn't 
intend such a requirement (e.g., HOME, PATH, SHELL, TMPDIR) it says nothing.

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