[EMAIL PROTECTED] (2004-05-09 at 1806.45 +0200):
> However, PNG supports indexing much more advanced than that -
> essentially, an indexed palette entry in png has an alpha
> component, so with indexed png you can antialias to transparent.
> However, this isn't supported in IE for Windows. You can also use
> 32 bit PNG which is funny supported on both IE and Mozilla, but
> is a much larger file size.

GIMP does not support indexed RGBA (palette items are four channels,
so all can have some level of transparency, vs typical GIF's "one
colour is transp only") and dunno which tool does it. But there
typical problem is that IE does not support 32 bit PNG as it should,
that is, without tricks (some pretty complex). For simplest trick see:

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