[Petal] Petal and  

[Bruno Postle]

On Tue 15-Mar-2005 at 12:58 -0600, wsmith wrote:

> I was just wondering if anyone has any input in the fact that 
> petal changes   to  , but does *not* modify   
> (the unicode equivilant). Is this a bug or how petal is supposed 
> to work?

Yes, this is because Petal is treating your template as XML.  If you 
create a template like this:

  <a>&nbsp;&#160;</a>

..and process it like this:

  $Petal::INPUT = 'XHTML';
  my $a = new Petal ('nbsp.xml');
  print $a->process;

As expected, you get two identical non-breaking-space characters:

  <p>  </p>

If you process it like this (XML is the Petal default):

  $Petal::INPUT = 'XML';
  my $a = new Petal ('nbsp.xml');
  print $a->process;

..suprisingly, you see this output:

  <p>&amp;nbsp; </p>

This is because "&nbsp;" isn't a XML entity.  You can check with 
xmllint:

  $ xmllint nbsp.xml
  nbsp.xml:1: parser error : Entity 'nbsp' not defined

So, use "&#160;" instead of "&nbsp;", or tell Petal the template is 
XHTML rather than XML.

-- 
Bruno