[GRASS5] [bug #2699] (grass) PNG driver always makes 8 bit deep PNGs

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this bug's URL: http://intevation.de/rt/webrt?serial_num=2699
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There should be a way to tell the PNG driver to use less deep bits
when one doesn't need that many.


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>From jidanni at jidanni.org  Thu Nov 18 23:41:32 2004
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To: grass-bugs at intevation.de
Subject: PNG driver always makes 8 bit deep PNGs
Message-Id: <E1CUuhK-00024c-US at jidanni1>
From: Dan Jacobson <jidanni at jidanni.org>
Date: Fri, 19 Nov 2004 06:24:14 +0800
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