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<appendix id="appen-tools">
	<title>Tools</title>
	<sect1>
		<title>External Diff Tools</title>
		<para>The <interfacename>Options</interfacename> dialog enables users to specify their
			preference of programs that will be invoked to perform operations such as editing and
			performing difference comparison between files. Following is a list of diff applications that
			can be used.</para>
		&varlist-external-diff-tools;
	</sect1>
</appendix>
