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bug#33255: 27.0.50; expand-file-name: default directory expanded twice i


From: Paul Eggert
Subject: bug#33255: 27.0.50; expand-file-name: default directory expanded twice if relative
Date: Fri, 23 Nov 2018 12:22:19 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1

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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