1runtime error: file ./recglobvar.xsl line 4 element variable 2Recursive definition of ok 3runtime error: file ./recglobvar.xsl line 4 element value-of 4unregistered variable ok 5xmlXPathCompiledEval: evaluation failed 6runtime error: file ./recglobvar.xsl line 4 element value-of 7xsltValueOf: text copy failed 8no result for ./recglobvar.xml 9