I added the code below to my customization layer to control the keeps and breaks for
figures, informalfigures, and screenshots in paras. Now when I have:
<para> Blah <xref linkend="foo"/>.
<informalfigure>...</informalfigure>
</para>
common.xsl complains "Error: no ID for constraint linkend: foo", even though foo is
there and the document processes fine otherwise. Looking at the xsl, a <xsl:variable
name="targets" select="key('id',$linkend)"/> (with a corresponding <xsl:key name="id"
match="*" use="@id"/> elsewhere) is used to determine check to see if the linkend has
a corresponding id, but that should be fine, right? This isn't a big deal, our
processing system validates during the build and that catches real errors, so I can
just comment out the message, but I was curious about where I'd gone wrong :-)
Thanks,
David
<xsl:template match="para[informalfigure or figure or screenshot]">
<fo:block xsl:use-attribute-sets="normal.para.spacing">
<xsl:call-template name="anchor"/>
<xsl:call-template name="para.figure">
<xsl:with-param name="current.nodeset">
<xsl:copy-of select="./* | ./text() | ./processing-instruction() |
./comment()"/>
</xsl:with-param>
</xsl:call-template>
</fo:block>
</xsl:template>
<xsl:template name="para.figure">
<xsl:param name="current.nodeset"/>
<xsl:variable name="before.figure">
<xsl:for-each select="node()">
<xsl:if test="
not(self::informalfigure) and
not(self::figure) and
not(self::screenshot) and
not(preceding-sibling::informalfigure) and
not(preceding-sibling::figure) and
not(preceding-sibling::screenshot)">
<xsl:copy-of select="current()"/>
</xsl:if>
</xsl:for-each>
</xsl:variable>
<xsl:variable name="rest">
<xsl:for-each select="$current.nodeset/node()">
<xsl:if test="preceding-sibling::informalfigure or
preceding-sibling::figure or preceding-sibling::screenshot">
<xsl:copy-of select="current()"/>
</xsl:if>
</xsl:for-each>
</xsl:variable>
<fo:block><!-- before.figure -->
<xsl:apply-templates select="$before.figure/node()"/>
</fo:block>
<xsl:if test="
$current.nodeset/informalfigure or
$current.nodeset/figure or
$current.nodeset/screenshot">
<fo:block
keep-with-previous.within-column="always"
keep-together.within-column="always"
xsl:use-attribute-sets="normal.para.spacing">
<xsl:apply-templates select="$current.nodeset/informalfigure[
not(preceding-sibling::figure) and
not(preceding-sibling::informalfigure) and
not(preceding-sibling::screenshot)]"/>
<xsl:apply-templates select="$current.nodeset/figure[
not(preceding-sibling::figure) and
not(preceding-sibling::informalfigure) and
not(preceding-sibling::screenshot)]"/>
<xsl:apply-templates select="$current.nodeset/screenshot[
not(preceding-sibling::figure) and
not(preceding-sibling::informalfigure) and
not(preceding-sibling::screenshot)]"/>
</fo:block>
</xsl:if>
<xsl:if test="normalize-space($rest) != ''">
<xsl:call-template name="para.figure">
<xsl:with-param name="current.nodeset" select="$rest"/>
</xsl:call-template>
</xsl:if>
</xsl:template>
