protected function generateCellTagConfig($elName)
	{
		$alignFilter = new ChoiceFilter(['left', 'center', 'right', 'justify'], true);

		return	[
			'attributes' => [
				'align' => [
					'filterChain' => ['strtolower', $alignFilter],
					'required' => false
				]
			],
			'rules' => ['createParagraphs' => false],
			'template' =>
				'<' . $elName . '>
					<xsl:if test="@align">
						<xsl:attribute name="style">text-align:<xsl:value-of select="@align"/></xsl:attribute>
					</xsl:if>
					<xsl:apply-templates/>
				</' . $elName . '>'
		];
	}