text profiling issue

[Roman Banks <technical_wr@yahoo.com>]

Hi Guys,

I've read the "Processing profiled versions" section in
Bob Stayton's book and I was very happy that Docbook has a kind
of conditional text mechanism. So tried to implement
it. I would like to have two kinds of reference as a
conditional text:

For example:

For HTML output:
I would like to have <xref linkend="smtp_server"/>

For PDF output I would like to have <xref linkend="smtp_server" xrefstyle="template:%t on page%p"/>

So I did the following:

1) In my source XML I modified the xref as follows:
<phrase role="print">
    <xref linkend="smtp_server" xrefstyle="template:%t
on page %p"/>
  </phrase>

  <phrase role="html">
    <xref linkend="smtp_server"/>
  </phrase>).

2) In my html.xsl I removed the imported docbook.xsl
and added the
 following:
<xsl:import
href="/usr/share/xml/docbook/stylesheet/nwalsh/html/profile-docbook.xsl"/>
<xsl:param name="profile.role" select="'html'"/>

3) In my print.xsl, I removed the imported docbook.xsl
and added the following:
<xsl:import
href="/usr/share/xml/docbook/stylesheet/nwalsh/fo/profile-docbook.xsl"/>
<xsl:param name="profile.role" select="'print'"/>

In this specific document it works, but when I compile
other documents (without modifying them with the
<phrase> construction), the compilation fails because
of xrefs that cannot be resolved. 

Why does this happen? Please, advise.

Thanks in advance!
Roman

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