From bobbie at ua.fm  Sun Mar 10 18:13:41 2013
From: bobbie at ua.fm (Victor)
Date: Sun, 10 Mar 2013 20:13:41 +0200
Subject: [closure-devel] Problem parsing HTML from BBC
Message-ID: <E1UEkkf-0004vI-Dm@st03.mi6.kiev.ua>

Hello!

When trying to parse HTML from articles on BBC, like:

http://www.bbc.co.uk/news/world-africa-21734036

I get the following error:

prefix/URI mismatch for `xml' namespace

Backtrace is:

 (6FA0924) : 0 (PRINT-CALL-HISTORY :CONTEXT NIL :PROCESS NIL :ORIGIN NIL :DETAILED-P NIL :COUNT 536870911 :START-FRAME-NUMBER 0 :STREAM #<STRING-OUTPUT-STREAM  #x1A11E036> :PRINT-LEVEL 2 :PRINT-LENGTH 5 :SHOW-INTERNAL-FRAMES NIL :FORMAT :TRADITIONAL) 727
 (6FA09D8) : 1 (PRINT-BACKTRACE-TO-STREAM #<STRING-OUTPUT-STREAM  #x1A11E036>) 71
 (6FA09F0) : 2 (GET-BACKTRACE) 311
 (6FA0A24) : 3 (FUNCALL #'#<(:INTERNAL (HUNCHENTOOT:HANDLE-REQUEST (HUNCHENTOOT:ACCEPTOR HUNCHENTOOT:REQUEST)))> #<CXML-STP:STP-ERROR #x1A11E04E>) 95
 (6FA0A3C) : 4 (SIGNAL #<CXML-STP:STP-ERROR #x1A11E04E>) 871
 (6FA0A64) : 5 (%ERROR #<CXML-STP:STP-ERROR #x1A11E04E> (:FORMAT-CONTROL "prefix/URI mismatch for `xml' namespace" :FORMAT-ARGUMENTS NIL) 29262494) 111
 (6FA0A78) : 6 (STP-ERROR "prefix/URI mismatch for `xml' namespace") 103
 (6FA0A88) : 7 (RENAME-ATTRIBUTE #<error printing object> "xml" "") 287
 (6FA0A9C) : 8 (MAKE-ATTRIBUTE "en-GB" "xml:lang" "") 303
 (6FA0AC0) : 9 (FUNCALL #'#<#<STANDARD-METHOD SAX:START-ELEMENT (CXML-STP-IMPL::BUILDER T T T T)>> #<CXML-STP-IMPL::BUILDER #x1A00D50E> "http://www.w3.org/1999/xhtml" "div" "div" (#<HAX:STANDARD-ATTRIBUTE #x1A11E206> #<HAX:STANDARD-ATTRIBUTE #x1A11E1D6>)) 279
 (6FA0AEC) : 10 (FUNCALL #'#<(:INTERNAL CLOSURE-HTML::RECURSE CLOSURE-HTML:SERIALIZE-PT)> #<SGML:PT DIV ..>) 455
 (6FA0B10) : 11 (FUNCALL #'#<(:INTERNAL CLOSURE-HTML::RECURSE CLOSURE-HTML:SERIALIZE-PT)> #<SGML:PT DIV ..>) 559
 (6FA0B40) : 12 (FUNCALL #'#<(:INTERNAL CLOSURE-HTML::RECURSE CLOSURE-HTML:SERIALIZE-PT)> #<SGML:PT BODY ..>) 559
 (6FA0B70) : 13 (FUNCALL #'#<(:INTERNAL CLOSURE-HTML::RECURSE CLOSURE-HTML:SERIALIZE-PT)> #<SGML:PT HTML ..>) 559
 (6FA0BA0) : 14 (SERIALIZE-PT #<SGML:PT HTML ..> #<CXML-STP-IMPL::BUILDER #x1A00D50E> :NAME "HTML" :PUBLIC-ID NIL :SYSTEM-ID NIL :DOCUMENTP T) 343
 (6FA0BD8) : 15 (PARSE-XSTREAM #<RUNES:XSTREAM NIL> #<CXML-STP-IMPL::BUILDER #x1A00D50E>) 263

The parse call in my program is:

(closure-html:parse article-page (stp:make-builder))

As far as I understand the problem has something to do with the xml prefix in attributes (for language, xml:lang) but I can not understand how to fix it or to work around.

Could please anybody give a hint where to look for the problem and its solution.

Thanks,
Victor

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From bobbie at ua.fm  Wed Mar 13 13:04:01 2013
From: bobbie at ua.fm (Victor)
Date: Wed, 13 Mar 2013 15:04:01 +0200
Subject: [closure-devel] Problem parsing HTML from BBC
In-Reply-To: <E1UEkkf-0004vI-Dm@st03.mi6.kiev.ua>
References: <E1UEkkf-0004vI-Dm@st03.mi6.kiev.ua>
Message-ID: <op.wtvykzkb4lizsz@vanyakin-nb>

On Sun, 10 Mar 2013 20:13:41 +0200, Victor <bobbie at ua.fm> wrote:

> When trying to parse HTML from articles on BBC, like:
>
> http://www.bbc.co.uk/news/world-africa-21734036
>
> I get the following error:
>
> prefix/URI mismatch for `xml' namespace



A brief search in the archives produced a previous discussion on a similar topic:

http://lists.common-lisp.net/pipermail/closure-devel/2011-March/000108.html

As far as I understand a proper and nice solution is still in the works.

Thanks,
Victor