\
**Category:** ruby-talk\
**Created:** [16 December 2005 23:18 UTC](https://rubytalk.org/t/parsing-xhtml-with-libxml/23357 "2005-12-16T23:18:54Z")\
**Posts on this page:** 3\
**Page:** 1
**Author:**  [@Jon\_Smirl](https://rubytalk.org/u/Jon_Smirl)\
**Post date:** [16 December 2005 23:18 UTC](https://rubytalk.org/t/parsing-xhtml-with-libxml/23357/1 "2005-12-16T23:18:54Z")
If you get errors complaining of undefined entities like when
parsing xhtml it means you need to install the DTD for xhtml 1.0 or
1.1.
Example of a doctype for xhtml 1.1:
\ **···**
>
> ==========================================================
> RCS file: /var/cvs/xml-tools/libxml-ruby/ruby\_xml\_parser.c,v
> retrieving revision 1.1.1.1
> diff -r1.1.1.1 ruby\_xml\_parser.c
> 274c274
> \< if (xmlSubstituteEntitiesDefaultValue)
> ---
>
> > if (xmlLoadExtDtdDefaultValue)
>
> 916c916
> \< ruby\_xml\_parser\_default\_load\_external\_dtd\_set, 0);
> ---
>
> > ruby\_xml\_parser\_default\_load\_external\_dtd\_get, 0);
>
> 918c918
> \< ruby\_xml\_parser\_default\_load\_external\_dtd\_get, 1);
> ---
>
> > ruby\_xml\_parser\_default\_load\_external\_dtd\_set, 1);
>
> Sam's patches for libxml are also needed:
> [http://www.intertwingly.net/blog/2005/11/05/Patch-for-libxml2s-Ruby-binding](http://www.intertwingly.net/blog/2005/11/05/Patch-for-libxml2s-Ruby-binding)
---
**Author:**  [@Eero\_Saynatkari1](https://rubytalk.org/u/Eero_Saynatkari1)\
**Post date:** [16 December 2005 23:42 UTC](https://rubytalk.org/t/parsing-xhtml-with-libxml/23357/2 "2005-12-16T23:42:41Z")
Jon Smirl wrote:
> If you get errors complaining of undefined entities like when
> parsing xhtml it means you need to install the DTD for xhtml 1.0 or
> 1.1.
>
> Example of a doctype for xhtml 1.1:
> \ "[http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">](http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">);
>
> \
>
> Sam's patches for libxml are also needed:
> [Patch for libxml2's Ruby binding](http://www.intertwingly.net/blog/2005/11/05/Patch-for-libxml2s-Ruby-binding)
Thank you for this!
E
> **···**
>
> --
> This document is NOT valid XHTML 1.0!
>
> --
> Posted via [http://www.ruby-forum.com/\](http://www.ruby-forum.com/%5C).
---
**Author:**  [@Ross\_Bamford2](https://rubytalk.org/u/Ross_Bamford2)\
**Post date:** [17 December 2005 00:12 UTC](https://rubytalk.org/t/parsing-xhtml-with-libxml/23357/3 "2005-12-17T00:12:45Z")
Thanks for that. I've been gathering up problems and patches in a quiet sort of way, but I'm not sure at the moment what's happening with the project. I'm planning to get proactive this week and see if we can at least get these issues sorted and the patches I have (including yours and Sam's) in.
Thanks,
Ross
> **···**
>
> On Fri, 16 Dec 2005 23:18:54 -0000, Jon Smirl \ wrote:
>
> > If you get errors complaining of undefined entities like when
> > parsing xhtml it means you need to install the DTD for xhtml 1.0 or
> > 1.1.
>
> --
> Ross Bamford - rosco@roscopeco.remove.co.uk