Re: cleartext signed messages - UTF-8 - stripping the whitespace

Adrian 'Dagurashibanipal' von Bidder wrote:
> 
> On Monday 05 January 2004 16:24, Ian Grigg wrote:

...
> > 3.  What was the original deep dark motivation
> >     for stripping whitespace from the end of lines
> >     anyway?
> >
> > 4.  Do we care if UTF-8 has some weird whitespace/
> >     line endings?
> 
> IIRC from previous discussions (I wasn't around for years when PGP was
> introduced to the world...): some mailers (MUAs and MTAs) used to strip
> whitespace occasionally or do other weird things.

Thinking about it, I've come across editors and
desktops that do something similar, they add spaces
to the end of lines in arbitrary fashions, and
sometimes modify newlines (take away, add) at the
end of files (but newlines are adequately protected
already in the draft).

> Those old mailers would probably either treat all non-ASCII whitespace and
> line-endings as normal characters, or not be 8-bit clean anyway and so cause
> problems in any case. So the answer to (4) is probably a clear no.

So, the upshot is that only the defined US-ASCII
whitespace chars should be included in the