Bug#528964: `userinput' reverts the effect of a surrounding `screen'

[Ivan Shmakov]

Package: dblatex
Version: 0.2.9-3

        Consider the following example:

<?xml version="1.0" encoding="us-ascii" standalone="no"?>
<!DOCTYPE article
          PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
          "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd";>
<article xml:lang="en" lang="en">
  <screen>
<prompt>$ </prompt><userinput>find /etc/ \
    -type f \
    \( -name \*tab -or -name \*conf \)</userinput>
<computeroutput>/etc/sysctl.conf
/etc/fstab
/etc/mke2fs.conf
&hellip;</computeroutput>
<prompt>$ </prompt>
  </screen>
</article>

        Here, I wanted to represent a kind of ``screenshot'', while
        decorating certain parts of it (in particular, the part which is
        up to user to type in) with a suitable mark-up, namely:
        `userinput'.

        Much to my surprise, wrapping the text into an `userinput'
        element made it insensitive to newlines.  The fragment gets
        transformed to the following LaTeX code:

\begin{lstlisting}[firstnumber=1,escapeinside={<:}{:>},]
$ <:\textbf{find /etc/ \textbackslash{}
    -{}type f \textbackslash{}
    \textbackslash{}( -{}name \textbackslash{}*tab -{}or -{}name 
\textbackslash{}*conf \textbackslash{})}:>
/etc/sysctl.conf
/etc/fstab
/etc/mke2fs.conf
<:\ldots{}:>
$ 
  \end{lstlisting}

        Apparently, the text inside of the <:, :> escape sequence is
        insensitive to newlines, so these should either be made explicit
        by the XSLT code, perhaps with something along the lines of:

--cut: inlined.xsl --
 <xsl:template match="userinput" mode="latex.programlisting">
   <xsl:param name="co-tagin" select="'&lt;:'"/>
   <xsl:param name="rnode" select="/"/>
 
   <xsl:value-of select="$co-tagin"/>
-  <xsl:call-template name="inline.boldseq"/>
+  <xsl:variable name="fragment">
+    <xsl:call-template name="inline.boldseq" />
+  </xsl:variable>
+  <xsl:call-template name="string-replace">
+    <xsl:with-param name="string" select="$fragment" />
+    <xsl:with-param name="from" select="&#10;" />
+    <xsl:with-param name="to" select="\\&#10;" />
+  </xsl:call-template>
   <xsl:value-of select="$co.tagout"/>
 </xsl:template>
--cut: inlined.xsl --

        Or `co-tagin' could be passed to the code above with an appended
        TeX-code to honor the linebreaks within the escape.

-- 
FSF associate member #7257



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