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Re: [PATCH 1/2] docs: mention cd limitation
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From: |
Paul Eggert |
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Subject: |
Re: [PATCH 1/2] docs: mention cd limitation |
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Date: |
Mon, 02 Aug 2010 10:44:47 -0600 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.11) Gecko/20100713 Thunderbird/3.0.6 |
On 08/02/10 07:18, Paolo Bonzini wrote:
> The only problematic platform seems to be Ultrix, but didn't the Ultrix
> shell even lack shell functions?
I believe you're right. If we're assuming shell functions, we might
as well assume ${var:-val}.
I think Ultrix was last released in 1995 and last shipped in 2000.
If typical end-of-life procedures were followed, it was last supported
in 2005. A good heuristic for GNU code is to not support non-GNU
operating systems when the original supplier doesn't.