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<refentry xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:src="http://nwalsh.com/xmlns/litprog/fragment"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:ss="http://docbook.sf.net/xmlns/string.subst/1.0"
version="5.0" xml:id="man.string.subst.map">
<refmeta>
<refentrytitle>man.string.subst.map</refentrytitle>
<refmiscinfo class="other" otherclass="datatype">rtf</refmiscinfo>
</refmeta>
<refnamediv>
<refname>man.string.subst.map</refname>
<refpurpose>Specifies a set of string substitutions</refpurpose>
</refnamediv>
<refsynopsisdiv>
<src:fragment xml:id="man.string.subst.map.frag">
<xsl:param name="man.string.subst.map">
<!-- * remove no-break marker at beginning of line (stylesheet artifact) -->
<ss:substitution oldstring="▒▀" newstring="▒"/>
<!-- * replace U+2580 no-break marker (stylesheet-added) w/ no-break space -->
<ss:substitution oldstring="▀" newstring="\ "/>
<!-- ==================================================================== -->
<!-- * squeeze multiple newlines before a roff request -->
<ss:substitution oldstring=" ." newstring=" ."/>
<!-- * remove any .sp instances that directly precede a .PP -->
<ss:substitution oldstring=".sp .PP" newstring=".PP"/>
<!-- * remove any .sp instances that directly follow a .PP -->
<ss:substitution oldstring=".sp .sp" newstring=".sp"/>
<!-- * squeeze multiple .sp instances into a single .sp-->
<ss:substitution oldstring=".PP .sp" newstring=".PP"/>
<!-- * squeeze multiple newlines after start of no-fill (verbatim) env. -->
<ss:substitution oldstring=".nf " newstring=".nf "/>
<!-- * squeeze multiple newlines after REstoring margin -->
<ss:substitution oldstring=".RE " newstring=".RE "/>
<!-- * U+2591 is a marker we add before and after every Parameter in -->
<!-- * Funcprototype output -->
<ss:substitution oldstring="░" newstring=" "/>
<!-- * U+2592 is a marker we add for the newline before output of <sbr>; -->
<ss:substitution oldstring="▒" newstring=" "/>
<!-- * -->
<!-- * Now deal with some other characters that are added by the -->
<!-- * stylesheets during processing. -->
<!-- * -->
<!-- * bullet -->
<ss:substitution oldstring="•" newstring="\(bu"/>
<!-- * left double quote -->
<ss:substitution oldstring="“" newstring="\(lq"/>
<!-- * right double quote -->
<ss:substitution oldstring="”" newstring="\(rq"/>
<!-- * left single quote -->
<ss:substitution oldstring="‘" newstring="\(oq"/>
<!-- * right single quote -->
<ss:substitution oldstring="’" newstring="\(cq"/>
<!-- * copyright sign -->
<ss:substitution oldstring="©" newstring="\(co"/>
<!-- * registered sign -->
<ss:substitution oldstring="®" newstring="\(rg"/>
<!-- * ...servicemark... -->
<!-- * There is no groff equivalent for it. -->
<ss:substitution oldstring="℠" newstring="(SM)"/>
<!-- * ...trademark... -->
<!-- * We don't do "\(tm" because for console output, -->
<!-- * groff just renders that as "tm"; that is: -->
<!-- * -->
<!-- * Product™ -> Producttm -->
<!-- * -->
<!-- * So we just make it to "(TM)" instead; thus: -->
<!-- * -->
<!-- * Product™ -> Product(TM) -->
<ss:substitution oldstring="™" newstring="(TM)"/>
</xsl:param>
</src:fragment>
</refsynopsisdiv>
<refsection><info><title>Description</title></info>
<para>The <parameter>man.string.subst.map</parameter> parameter
contains <link linkend="map">a map</link> that specifies a set of
string substitutions to perform over the entire roff source for each
man page, either just before generating final man-page output (that
is, before writing man-page files to disk) or, if the value of the
<parameter>man.charmap.enabled</parameter> parameter is non-zero,
before applying the roff character map.</para>
<para>You can use <parameter>man.string.subst.map</parameter> as a
“lightweight” character map to perform “essential” substitutions --
that is, substitutions that are <emphasis>always</emphasis> performed,
even if the value of the <parameter>man.charmap.enabled</parameter>
parameter is zero. For example, you can use it to replace quotation
marks or other special characters that are generated by the DocBook
XSL stylesheets for a particular locale setting (as opposed to those
characters that are actually in source XML documents), or to replace
any special characters that may be automatically generated by a
particular customization of the DocBook XSL stylesheets.</para>
<warning>
<para>Do you not change value of the
<parameter>man.string.subst.map</parameter> parameter unless you are
sure what you are doing. First consider adding your
string-substitution mappings to either or both of the following
parameters:
<variablelist>
<varlistentry>
<term><parameter>man.string.subst.map.local.pre</parameter></term>
<listitem><para>applied before
<parameter>man.string.subst.map</parameter></para></listitem>
</varlistentry>
<varlistentry>
<term><parameter>man.string.subst.map.local.post</parameter></term>
<listitem><para>applied after
<parameter>man.string.subst.map</parameter></para></listitem>
</varlistentry>
</variablelist>
By default, both of those parameters contain no
string substitutions. They are intended as a means for you to
specify your own local string-substitution mappings.</para>
<para>If you remove any of default mappings from the value of the
<parameter>man.string.subst.map</parameter> parameter, you are
likely to end up with broken output. And be very careful about adding
anything to it; it’s used for doing string substitution over the
entire roff source of each man page – it causes target strings to be
replaced in roff requests and escapes, not just in the visible
contents of the page.</para>
</warning>
<refsection xml:id="map">
<info>
<title>Contents of the substitution map</title>
</info>
<para>The string-substitution map contains one or more
<tag>ss:substitution</tag> elements, each of which has two
attributes:
<variablelist>
<varlistentry>
<term>oldstring</term>
<listitem>
<simpara>string to replace</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term>newstring</term>
<listitem>
<simpara>string with which to replace <tag
class="attribute">oldstring</tag></simpara>
</listitem>
</varlistentry>
</variablelist>
It may also include XML comments (that is, delimited with
"<literal><!--</literal>" and "<literal>--></literal>").
</para>
</refsection>
</refsection>
</refentry>
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