Master/texmf-dist/doc/generic/FAQ-en/html/FAQ-parallel.html


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<head>
<title>UK TeX FAQ -- question label parallel</title>
</head><body>
<h3>Parallel setting of text</h3>
<p/>It&rsquo;s commonly necessary to present text in two languages &lsquo;together&rsquo; on a
page, or on a two-page spread.  For this to be satisfactory, one usually
needs some sort of alignment between the two texts.
<p/>The <i>parallel</i> package satisfies the need, permitting
typesetting in two columns (not necessarily of the same width) on one
page, or on the two opposing pages of a two-page spread.  Use can be
as simple as
<blockquote>
<pre>
\usepackage{parallel}
...
\begin{Parallel}{&lt;left-width&gt;}{&lt;right-width}
  \ParallelLText{left-text}
  \ParallelRText{right-text}
  \ParallelPar
  ...
\end{Parallel}
</pre>
</blockquote><p>
<i>Parallel</i> can get terribly confused with colour changes, in
PDFTeX; the indefatigable Heiko Oberdiek has a patch for this
issue &mdash; the <i>pdfcolparallel</i>, which maintains separate
colour stacks for the columns.
<p/>The <i>parcolumns</i> package can (in principle) deal with any
number of columns: the documentation shows its use with three
columns.  Usage is rather similar to that of <i>parallel</i>,
though there is of course a &ldquo;number of columns to specify&rdquo;:
<blockquote>
<pre>
\usepackage{parcolumns}
...
\begin{parcolumns}[&lt;options&gt;]{3}
  \colchunk{&lt;Column 1 text&gt;}
  \colchunk{&lt;Column 2 text&gt;}
  \colchunk{&lt;Column 3 text&gt;}
  \colplacechunks
  ...
\end{parcolumns}
</pre>
</blockquote><p>
The &lt;<i>options</i>&gt; can specify the widths of the columns, whether to
place rules between the columns, whether to set the columns sloppy, etc.
<p/>The <i>ledpar</i> package is distributed with (and integrated with)
the <a href="FAQ-linenos.html"><i>ledmac</i> package</a>.  It provides parallel
setting carefully integrated with the needs of a scholarly text,
permitting translation, or notes, or both, to be set in parallel with
the &lsquo;base&rsquo; text of the document.
<dl>
<dt><tt><i>ledpar.sty</i></tt><dd>Distributed with <a href="http://www.tex.ac.uk/www.tex.ac.uk  tex-archive/macros/latex/contrib/ledmac.zip">macros/latex/contrib/ledmac</a> (or <a href="http://www.tex.ac.uk/www.tex.ac.uk  tex-archive/macros/latex/contrib/ledmac/">browse the directory</a>)
<dt><tt><i>parallel.sty</i></tt><dd><a href="http://www.tex.ac.uk/www.tex.ac.uk  tex-archive/macros/latex/contrib/parallel.zip">macros/latex/contrib/parallel</a> (or <a href="http://www.tex.ac.uk/www.tex.ac.uk  tex-archive/macros/latex/contrib/parallel/">browse the directory</a>)
<dt><tt><i>parcolumns.sty</i></tt><dd>Distributed as part of <a href="http://www.tex.ac.uk/www.tex.ac.uk  tex-archive/macros/latex/contrib/sauerj.zip">macros/latex/contrib/sauerj</a> (or <a href="http://www.tex.ac.uk/www.tex.ac.uk  tex-archive/macros/latex/contrib/sauerj/">browse the directory</a>)
<dt><tt><i>pdfcolparallel.sty</i></tt><dd>Distributed as part of <a href="http://www.tex.ac.uk/www.tex.ac.uk  tex-archive/macros/latex/contrib/oberdiek.zip">macros/latex/contrib/oberdiek</a> (or <a href="http://www.tex.ac.uk/www.tex.ac.uk  tex-archive/macros/latex/contrib/oberdiek/">browse the directory</a>)
</dl>
<p/><p>This question on the Web: <a href="http://www.tex.ac.uk/cgi-bin/texfaq2html?label=parallel">http://www.tex.ac.uk/cgi-bin/texfaq2html?label=parallel</a>
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