On Thu, 17 May 2007, John C Klensin wrote: > > After all <CRLF> Thing <SPACE><CRLF> could case similar problems if > some construction permitted it ... This is not news. There have for a long time been problems with significant trailing space, which is why CRLF 1*WSP CRLF in a header is part of the obs- syntax of 2822, and why quoted-printable encodes WSP at the end of a line. > ... and defining a grammar that would prohibit any <SPACE><CRLF> > construction isn't easy in ABNF for reasons that have nothing to > do with LWSP. This is simply incorrect. It's trivial to define a whitespace construction that only allows CRLF at the beginning of a sequence: NTWSP = [CRLF] 1*WSP ; non-trailing white space Tony. -- f.a.n.finch <dot@xxxxxxxx> http://dotat.at/ SHANNON: SOUTHWEST VEERING WEST 7 TO SEVERE GALE 9, PERHAPS STORM 10 LATER. VERY ROUGH OR HIGH. RAIN OR SQUALLY SHOWERS. MODERATE OR GOOD. _______________________________________________ Ietf@xxxxxxxx https://www1.ietf.org/mailman/listinfo/ietf