Don't count CR or LF as whitespace when trimming whitespace from header values #306
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Motivation:
The OWS rule from the HTTP semantics draft only considers 'SP' and
'HTAB' to be whitespace. We also (unnecessarily) consider CR and LF to
be whitespace.
Modifications:
Result:
We no longer consider CR or LF to be whitespace when trimming
whitespace when producing the canonical form of header values.