| 1 | <refentry xmlns="http://docbook.org/ns/docbook"
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| 2 | xmlns:xlink="http://www.w3.org/1999/xlink"
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| 3 | xmlns:xi="http://www.w3.org/2001/XInclude"
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| 4 | xmlns:src="http://nwalsh.com/xmlns/litprog/fragment"
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| 5 | xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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| 6 | version="5.0" xml:id="title.margin.left">
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| 7 | <refmeta>
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| 8 | <refentrytitle>title.margin.left</refentrytitle>
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| 9 | <refmiscinfo class="other" otherclass="datatype">length</refmiscinfo>
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| 10 | </refmeta>
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| 11 | <refnamediv>
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| 12 | <refname>title.margin.left</refname>
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| 13 | <refpurpose>Adjust the left margin for titles</refpurpose>
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| 14 | </refnamediv>
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| 15 |
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| 16 | <refsynopsisdiv>
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| 17 | <src:fragment xml:id="title.margin.left.frag">
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| 18 | <xsl:param name="title.margin.left">
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| 19 | <xsl:choose>
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| 20 | <xsl:when test="$fop.extensions != 0">-4pc</xsl:when>
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| 21 | <xsl:when test="$passivetex.extensions != 0">0pt</xsl:when>
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| 22 | <xsl:otherwise>0pt</xsl:otherwise>
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| 23 | </xsl:choose>
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| 24 | </xsl:param>
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| 25 | </src:fragment>
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| 26 | </refsynopsisdiv>
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| 27 |
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| 28 | <refsection><info><title>Description</title></info>
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| 29 |
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| 30 | <para>This parameter provides
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| 31 | the means of adjusting the left margin for titles
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| 32 | when the XSL-FO processor being used is
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| 33 | an old version of FOP (0.25 and earlier).
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| 34 | It is only useful when the <parameter>fop.extensions</parameter>
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| 35 | is nonzero.</para>
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| 36 |
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| 37 | <para>The left margin of the body region
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| 38 | is calculated to include this space,
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| 39 | and titles are outdented to the left outside
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| 40 | the body region by this amount,
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| 41 | effectively leaving titles at the intended left margin
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| 42 | and the body text indented.
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| 43 | Currently this method is only used for old FOP because
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| 44 | it cannot properly use the <parameter>body.start.indent</parameter>
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| 45 | parameter.
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| 46 | </para>
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| 47 | <para>
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| 48 | The default value when the <parameter>fop.extensions</parameter>
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| 49 | parameter is nonzero is -4pc, which means the
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| 50 | body text is indented 4 picas relative to
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| 51 | the titles.
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| 52 | The default value when the <parameter>fop.extensions</parameter>
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| 53 | parameter equals zero is 0pt, and
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| 54 | the body indent should instead be specified
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| 55 | using the <parameter>body.start.indent</parameter>
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| 56 | parameter.
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| 57 | </para>
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| 58 | <para>
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| 59 | If you set the value to zero, be sure to still include
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| 60 | a unit indicator such as <literal>0pt</literal>, or
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| 61 | the FO processor will report errors.
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| 62 | </para>
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| 63 |
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| 64 | </refsection>
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| 65 | </refentry>
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