ANNOUNCE: Apache XML encoding detector update
Matthew Sergeant (EML)
Matthew.Sergeant at eml.ericsson.se
Mon Apr 26 17:40:24 BST 1999
Actually John, I meant for future versions of XML that included for example:
<?xml version="3.0" versioning="cvs" encoding="vulcan"?>
Just a silly random thought...
I knew it was safe for xml 1.0, just perhaps not for the future. I'd hate to
see old code that breaks down the line through lack of keeping up to date -
that's what gave us the y2k problem.
Perl on Win32, PerlScript, ASP, Database, XML
GCS(GAT) d+ s:+ a-- C++ UL++>UL+++$ P++++$ E- W+++ N++ w--@$ O- M-- !V
!PS !PE Y+ PGP- t+ 5 R tv+ X++ b+ DI++ D G-- e++ h--->z+++ R+++
> -----Original Message-----
> From: John Cowan [SMTP:cowan at locke.ccil.org]
> Sent: Monday, April 26, 1999 4:07 PM
> To: XML Dev
> Subject: Re: ANNOUNCE: Apache XML encoding detector update
> Matthew Sergeant (EML) wrote:
> > Also, a note to John Cowan: In reading through your detector I noticed
> > it only checks for g=["']...["'], not the full encoding=["']...["'] -
> > Personally I don't think that's safe, but having read your C code (and
> > knowing C's poor handling of strings) I can understand why you did it...
> Actually, it *is* safe. Once we see "<?xml ", where the last character
> can be any whitespace character, we know beyond doubt that this is
> an XML declaration/text declaration. The first "g" appearing in
> the declaration is necessarily the last letter of "encoding", unless
> XML is extended to a version number that includes the letter "g",
> which is most unlikely. The only other way that a "g" can appear is
> within the name of the charset itself.
> John Cowan http://www.ccil.org/~cowan cowan at ccil.org
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