<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" version="5.0" xml:id="ebnf.assignment"> <refmeta> <refentrytitle>ebnf.assignment</refentrytitle> <refmiscinfo class="other" otherclass="datatype">rtf</refmiscinfo> </refmeta> <refnamediv> <refname>ebnf.assignment</refname> <refpurpose>The EBNF production assignment operator</refpurpose> </refnamediv> <refsynopsisdiv> <src:fragment xml:id="ebnf.assignment.frag"> <xsl:param condition="html" name="ebnf.assignment"> <code xmlns="">::=</code> </xsl:param> <xsl:param xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" condition="fo" name="ebnf.assignment"> <fo:inline font-family="{$monospace.font.family}"> <xsl:text>::=</xsl:text> </fo:inline> </xsl:param> </src:fragment> </refsynopsisdiv> <refsection><info><title>Description</title></info> <para>The <parameter>ebnf.assignment</parameter> parameter determines what text is used to show <quote>assignment</quote> in <tag>production</tag>s in <tag>productionset</tag>s.</para> <para>While <quote><literal>::=</literal></quote> is common, so are several other operators.</para> </refsection> </refentry>