1 files changed, 28 insertions, 0 deletions
diff --git a/xsl/langfilter.xsl b/xsl/langfilter.xsl
new file mode 100644
index 0000000..827b15f
--- /dev/null
+++ b/xsl/langfilter.xsl
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
+<xsl:output method="xml"/>
+<xsl:param name="lang"/>
+
+<xsl:template match="/html">
+ <xsl:copy>
+  <xsl:attribute name="xml_lang"><xsl:value-of select="$lang"/></xsl:attribute>
+  <xsl:apply-templates/>
+ </xsl:copy>
+</xsl:template>
+
+<xsl:template match="*">
+ <xsl:choose>
+  <xsl:when test="lang($lang) or not(ancestor-or-self::*[@xml:lang])">
+   <xsl:copy>
+    <xsl:apply-templates select="@*|node()"/>
+   </xsl:copy>
+  </xsl:when>
+  <xsl:otherwise/>
+ </xsl:choose>
+</xsl:template>
+
+<xsl:template match="@*|text()">
+  <xsl:copy/>
+</xsl:template>
+
+</xsl:stylesheet>