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Subject: Re: 0x0a converted to 0x0d when saving attachments
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Stainless Steel Rat <ratinox@peorth.gweep.net> writes:

> Hmm... I seem to recall that.  This is one of FSF Emacs 20's stupidities:
> it assumes that if no coding system is set it *must* perform a conversion,
> which is just plain wrong.

I think you'll find that this is not limited to FSF Emacs. I think in
itself the idea that not specifying a coding system leads to
auto-detection is sound however the autodetection should be _much_
more conservative and for _non-files_ (or at least internet sockets)
the default should be 'binary.

> Of course, this caused XEmacs 20 to break because on "illegal" messages
> becaue no-conversion means something totally different.  What a pain.

The joys of two teams, at least one of them manifestly not trying to
be compatible[1], working to implement the same manifestly
undocumented or even undefined API.

Jan

Footnotes: 
[1]  Note the careful positioning of 'not' in this sentence.