Hi
I am having a little trouble with FOP 0.95 and <fox:destination> elements in
list items.
XML fragment is something like the following, where a step is a numbered
list item, and a target is a potential bookmark or hyperlink target:
----
<steps>
<step>
<target id="one">One</target>
<target id="first">First</target>
<para>First step.</para>
</step>
</steps>
----
XSL-FO for "steps" generates a standard list block, and for "list" a
standard list-item. Targets generate an <fo:inline id="ID"> element which
contains a zero width space (because an empty inline element causes FOP to
crash with a NPE), and each group of targets is enclosed in an <fo:block>
(because fo:inline cannot be a direct child of fo:flow, and some targets
are.
So here's the target bit of my XSL-FO:
----
<xsl:template match="target">
<xsl:choose>
<xsl:when test="preceding-sibling::*[1][self::target]" />
<xsl:otherwise>
<xsl:apply-templates select="." mode="first-anchor" />
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="target" mode="first-anchor">
<fo:block xsl:use-attribute-sets="def.space-none" line-height="1px"
font-size="1">
<xsl:apply-templates select="." mode="anchor" />
</fo:block>
</xsl:template>
<xsl:template match="target" mode="anchor">
<xsl:variable name="tid" as="xs:string" select="@id" />
<fo:inline id="{$tid}">​</fo:inline>
<fox:destination internal-destination="{$tid}" />
<xsl:apply-templates select="following-sibling::*[1][self::target]"
mode="anchor" />
</xsl:template>
----
The def.space-none attribute set ensures that space-before and space-after
is zero. I have a named template for normal blocks which detects when it is
the first block after a group of targets and sets space-before to zero. So
the only thing disturbing the alignment of the list-item-label and the first
list-item-block content is the 1px line-height block containing the id'ed
inline(s) and the fox:bookmark(s).
Is there a way of eliminating the vertical space contributed by that block
so that the list item aligns properly with its label?
Or am I tackling this all wrong?
Cheers
Trevor
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