RenderMetaElements.xslt

<?xml version="1.0" encoding="utf-8" ?>
<xsl:stylesheet
	version="1.0"
	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
	xmlns:umbraco.library="urn:umbraco.library"
	exclude-result-prefixes="umbraco.library">
	<xsl:output method="xml" indent="yes" omit-xml-declaration="yes" />

	<xsl:param name="currentPage" />
	<xsl:variable name="separator" select="string('|')" />
	<xsl:variable name="fixedTitle" select="/macro/fixedTitle" />

	<xsl:template match="/">
		<xsl:apply-templates select="$currentPage" />
	</xsl:template>

	<xsl:template match="*[@isDoc]">
		<title>
			<xsl:value-of select="(pageTitle | @nodeName[not(normalize-space(../pageTitle))])[1]" />
			<xsl:if test="normalize-space($fixedTitle)">
				<xsl:value-of select="concat(' ', $separator, ' ')" />
				<xsl:value-of select="$fixedTitle" />
			</xsl:if>
		</title>
		<meta name="description" content="{metaDescription}" />
		<meta name="keywords" content="{metaKeywords}" />
	</xsl:template>

</xsl:stylesheet>

Little revisions... just playing with forks.