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<?xml version="1.0" encoding="UTF-8"?>
<chapter id="updating-modes">
<title>Updating Edit Modes</title>
<!-- jEdit buffer-local properties: -->
<!-- :indentSize=2:noTabs=true: -->
<!-- :xml.root=users-guide.xml: -->
<section id="currentmodeformat">
<title>From jEdit 4.2 to 4.4</title>
<orderedlist>
<listitem>
<para>All regular expressions in mode files were rewritten to
use <ulink
url="http://download.oracle.com/javase/6/docs/api/java/util/regex/Pattern.html#sum">
java.util.regex</ulink> instead of <ulink
url="http://nlp.stanford.edu/nlp/javadoc/gnu-regexp-docs/syntax.html">
gnu.regexp</ulink>.</para>
</listitem>
<listitem>
<para><literal>HASH_CHAR</literal> handling of
<literal>xxx_REGEXP</literal> elements has been updated, as
explained in <xref linkend="mode-rule-span-regexp" />.</para>
</listitem>
<listitem>
<para>The <literal>EXCLUDE_MATCH</literal> attribute got
superseded by <literal>MATCH_TYPE</literal>. The attribute
values translate from <literal>TRUE</literal> to
<literal>CONTEXT</literal> and from <literal>FALSE</literal> to
<literal>RULE</literal>, respectively. For more information see
<xref linkend="mode-match-type" />.</para>
</listitem>
<listitem>
<para> <literal>NO_ESCAPE</literal> is now deprecated and ignored by the parsing engine.
<literal>ESCAPE</literal> is now a valid attribute for <literal>SPAN</literal> and <literal>SPAN_REGEXP</literal> rules.
</para>
</listitem>
</orderedlist>
</section>
</chapter>
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