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From: mah@everybody.org (Mark A. Hershberger)
To: emacs-devel@gnu.org
Cc: emacs-pretest-bug@gnu.org
Subject: Re: 23.0.60; [nxml] BOM and utf-8
Date: Sat, 17 May 2008 16:38:49 -0400	[thread overview]
Message-ID: <87d4nk8y3q.fsf@everybody.org> (raw)
In-Reply-To: 87od75kt78.fsf@pdrechsler.de

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Patrick Drechsler <patrick@pdrechsler.de> writes:

> is the attached xml file (simple.xml) really invalid (as indicated by
> nxhtml) or is this a bug in nxhtml?

The file simple.xml is really invalid.

http://www.w3.org/TR/2006/REC-xml-20060816/#sec-prolog-dtd

The XML spec gives the following syntax description for the prolog of an
XML file (I've only copied the relevant parts):

    [3]    S	    ::=  (#x20 | #x9 | #xD | #xA)+
    [22]   prolog   ::=  XMLDecl? Misc* (doctypedecl  Misc*)?
    [23]   XMLDecl  ::= '<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>'

Note that there is no S before the literal “<?xml" and that "<?xml" is
optional.

So, yes, an file that contains whitespace before "<?xml" is invalid XML.

-- 
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  parent reply	other threads:[~2008-05-17 20:38 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-17 12:31 23.0.60; [nxml] BOM and utf-8 Patrick Drechsler
2008-05-17 14:13 ` Lennart Borgman (gmail)
2008-05-17 16:57   ` Patrick Drechsler
2008-05-17 20:38 ` Mark A. Hershberger [this message]
2008-05-21 22:20   ` Patrick Drechsler
2008-05-21 22:37     ` Patrick Drechsler
2008-05-22  1:33       ` Mark A. Hershberger
2008-05-22 14:43         ` Tom Tromey
2008-05-22 21:24           ` Miles Bader
2008-05-22  4:17       ` tomas
2008-05-22  4:33         ` Miles Bader
2008-05-22  8:28           ` Jason Rumney
2008-05-27  8:22           ` tomas
2008-05-22 17:34         ` Stephen J. Turnbull
2008-05-23  9:05           ` tomas
2008-05-23 21:23             ` Stephen J. Turnbull
2008-05-27  8:20               ` tomas
2008-05-18  2:29 ` Stephen J. Turnbull
2008-05-18  2:30   ` Miles Bader
2008-05-18  3:19     ` Eli Zaretskii
2008-05-18  4:19       ` Stephen J. Turnbull
2008-05-18  8:56       ` Jason Rumney
2008-05-18 11:00         ` Patrick Drechsler
2008-05-19  3:11           ` Stephen J. Turnbull
2008-05-19 14:32             ` Patrick Drechsler
2008-05-19 18:56               ` Eli Zaretskii
2008-05-20 15:16                 ` Patrick Drechsler
2008-05-18 15:19         ` joakim
2008-05-18  4:13     ` Stephen J. Turnbull
2008-05-18  5:40       ` Miles Bader
2008-05-18  9:14       ` David Kastrup
2008-05-19  3:05         ` Stephen J. Turnbull
2008-05-18 23:40           ` David Kastrup
2008-05-19 20:34             ` Stephen J. Turnbull
2008-05-19 20:57               ` David Kastrup
2008-05-19 23:36                 ` Stephen J. Turnbull
2008-05-20  7:13                   ` David Kastrup
2008-05-30  2:47                     ` Kenichi Handa
2008-05-30  3:44                       ` Miles Bader
2008-05-30  3:59                         ` Kenichi Handa
2008-05-19  6:32           ` Lennart Borgman (gmail)

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