Re: Re: svn: /php/php-src/ branches/PHP_5_2/NEWS branches/PHP_5_2/ext/filter/logical_filters.c branches/PHP_5_3/NEWS
branches/PHP_5_3/ext/filter/logical_filters.c trunk/ext/filter/logical_filters.c

Rasmus Lerdorf: > The ABNF for an HTML5 valid email field is: > > 1*( atext / "." ) "@" ldh-str 1*( "." ldh-str ) > > which means there must be a . in the domain part, so HTML5 doesn't think > a@b is valid either. The left-hand side looks wrong though. It seems > to me it should be: > > 1*atext *("." 1*atext) > > You can't have a trailing . there. rasmus.@php.net is not valid and if > I am reading that HTML5 ABNF correctly it would seem to allow that. The Internet mail RFCs don't allow a leading or trailing "dot" in the local-part (they do allow it when the local-part is quoted). This is a fragment from RFC5321 (SMTP): Mailbox = Local-part "@" ( Domain / address-literal ) Local-part = Dot-string / Quoted-string ; MAY be case-sensitive Dot-string = Atom *("." Atom) Atom = 1*atext The corresponding part of RFC5322 (Internet Message Format) says: addr-spec = local-part "@" domain local-part = dot-atom / quoted-string / obs-local-part atom = [CFWS] 1*atext [CFWS] dot-atom-text = 1*atext *("." 1*atext) dot-atom = [CFWS] dot-atom-text [CFWS] I.e. both agree in their own way. Wietse