<varlistentry id="options.Columns">
	<term>Columns</term>
	<listitem>
		<para>Specifies the number of <emphasis remap='I'>columns</emphasis> of buttons to be created. This will 
		give your <command>Wharf</command> a vertical layout, with the number of columns equal 
		to the number specificed in <emphasis remap='I'>columns</emphasis>. If unspecified, the number of 
		columns will be set to 1.  If the <emphasis remap='I'>columns</emphasis> are set to a number 
		greater than 1, then there will be that number of columns with enough 
		rows to satisfy the requested number of buttons.  Only one of 
		<emphasis remap='I'>*WharfRows</emphasis> or <emphasis remap='I'>*WharfColumns</emphasis> should be specified.</para>
	</listitem>
</varlistentry>
