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From: Hans Aberg <haberg-1@telia.com>
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Subject: =?windows-1252?q?Re=3A_The_=93binary-friendly=94_Latin-1?=
Date: Tue, 25 Jan 2011 11:19:01 +0100
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On 25 Jan 2011, at 00:21, Mike Gran wrote:

>>   2. The #f <=3D> "ISO-8859-1" equivalence for =91port-encoding=92 =
and
>>     =91set-port-encoding!=92.  Likewise, commit
>>     d9544bf012b6e343c80b76bd5761b1583cc106a3 makes =91port-encoding=92
>>     always return a string and pt->encoding always be non-NULL.
>
> Is the cost of doing the various string comparisons of port-encoding
> strings negligible?  It was put in as a (premature) optimization.

If you decide to keep it, an idea that comes to my mind add #t for =20
UTF-8, which seems a better default nowadays and in the future.