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<refentry id="make.graphic.viewport">
<refmeta>
<refentrytitle>make.graphic.viewport</refentrytitle>
<refmiscinfo role="type">boolean</refmiscinfo>
</refmeta>
<refnamediv>
<refname>make.graphic.viewport</refname>
<refpurpose>Use tables in HTML to make viewports for graphics</refpurpose>
</refnamediv>
<refsynopsisdiv>
<src:fragment id='make.graphic.viewport.frag'>
<xsl:param name="make.graphic.viewport" select="1"/>
</src:fragment>
</refsynopsisdiv>
<refsect1><title>Description</title>
<para>The HTML <sgmltag>img</sgmltag> element only supports the notion
of content-area scaling; it doesn't support the distinction between a
content-area and a viewport-area, so we have to make some compromises.</para>
<para>If <parameter>make.graphic.viewport</parameter> is non-zero, a table
will be used to frame the image. This creates an effective viewport-area.
</para>
<para>Tables and tqalignment don't work together, so this parameter is ignored
if tqalignment is specified on an image.</para>
</refsect1>
</refentry>
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