Re: [docbook] publisher class attribute applied to wrong html element?

[Bob Stayton <bobs at sco dot com>]

On Thu, Jul 31, 2003 at 11:07:23AM +0200, Patrick Eisenacher wrote:
> Hi,
> 
> playing around with customizing the titlepage of my article, I added 
> <publisher> to the html titlepage.template.xml, generated a new 
> titlepage.template.xsl and generated the html target doc with xsltproc.
> 
> The publisher indeed showed up on the titlepage. Next I tried to center 
> the publisher info via css. Unfortunately only the publishername got 
> centered, not the address. Looking at the generated html, I realized 
> that the publisher class attribute is applied to the publishername 
> paragraph and not to the whole div.
> 
> Is this expected or a bug in the stylesheets?
> 
> publisher ::=
> (publishername,address*)
> 
> <div>
>    <p class="publisher">
>      <span class="publishername">Fillmore Labs GmbH<br></span>
>    </p>
>    <div class="address">
>      <p>
>        <span class="otheraddr">Triforum C2</span><br>
>        <span class="street">Frankfurter Straße 233</span><br>
>      </p>
>    </div>
> </div>
> 
> I'm using xsl stylesheets v1.61.3
> 
> Using libxml 20507, libxslt 10030 and libexslt 720
> xsltproc was compiled against libxml 20507, libxslt 10030 and libexslt 720
> libxslt 10030 was compiled against libxml 20507
> libexslt 720 was compiled against libxml 20507
> 
> Thanks for your feedback,

What you are seeing here is unfortunate fallout from a
hack to correct for the fact that an HTML <P> cannot
contain another <P>.  The publisher element starts a
<P>, and the address starts another <P>.  According to
the document structure, the second <P> would be nested
inside the first.  But that is invalid HTML.  So the
stylesheet forces the closure of the first <P> and starts
the second one.  Unfortunately, that loses the connection
to the class="publisher", which was on the first <P>.

The <div> element in this case is a general wrapper
used to insert an attribute set like 'article.titlepage.recto.style'.
Here is an example from the generated titlepage.templates.xsl:

<xsl:template match="publisher" mode="article.titlepage.recto.auto.mode">
  <div xsl:use-attribute-sets="article.titlepage.recto.style">
    <xsl:apply-templates select="." mode="article.titlepage.recto.mode"/>
  </div>
</xsl:template>

The stylesheet relies on the internal apply-templates to
supply the class attribute.  It does so in this case, but then
gets unwound for the address.  

As a workaroudn, you could put something like this in a
customization layer to add a classname to the div:

<xsl:template match="publisher" mode="article.titlepage.recto.auto.mode">
  <div class="publisherdiv" xsl:use-attribute-sets="article.titlepage.recto.style">
    <xsl:apply-templates select="." mode="article.titlepage.recto.mode"/>
  </div>
</xsl:template>

Then add the CSS center property to the .publisherdiv selector.

-- 

Bob Stayton                                 400 Encinal Street
Publications Architect                      Santa Cruz, CA  95060
Technical Publications                      voice: (831) 427-7796
The SCO Group                               fax:   (831) 429-1887
                                            email: bobs@sco.com

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