XSLT & XQuery Debugger
Debugging in EditiX means watching what happens as your instructions execute. Set a break point on a line, run the transformation, then step through the call stack while watching the XPath context and variables.
<xsl:template match="chapter">
<xsl:variable name="myTitle"><xsl:value-of select="title"/></xsl:variable>
<h1><xsl:value-of select="$myTitle"/></h1>
</xsl:template>