--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/planemo/lib/python3.7/site-packages/lxml/includes/libxslt/extra.h	Fri Jul 31 00:32:28 2020 -0400
@@ -0,0 +1,72 @@
+/*
+ * Summary: interface for the non-standard features
+ * Description: implement some extension outside the XSLT namespace
+ *              but not EXSLT with is in a different library.
+ *
+ * Copy: See Copyright for the status of this software.
+ *
+ * Author: Daniel Veillard
+ */
+
+#ifndef __XML_XSLT_EXTRA_H__
+#define __XML_XSLT_EXTRA_H__
+
+#include <libxml/xpath.h>
+#include "xsltexports.h"
+#include "xsltInternals.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * XSLT_LIBXSLT_NAMESPACE:
+ *
+ * This is the libxslt namespace for specific extensions.
+ */
+#define XSLT_LIBXSLT_NAMESPACE ((xmlChar *) "http://xmlsoft.org/XSLT/namespace")
+
+/**
+ * XSLT_SAXON_NAMESPACE:
+ *
+ * This is Michael Kay's Saxon processor namespace for extensions.
+ */
+#define XSLT_SAXON_NAMESPACE ((xmlChar *) "http://icl.com/saxon")
+
+/**
+ * XSLT_XT_NAMESPACE:
+ *
+ * This is James Clark's XT processor namespace for extensions.
+ */
+#define XSLT_XT_NAMESPACE ((xmlChar *) "http://www.jclark.com/xt")
+
+/**
+ * XSLT_XALAN_NAMESPACE:
+ *
+ * This is the Apache project XALAN processor namespace for extensions.
+ */
+#define XSLT_XALAN_NAMESPACE ((xmlChar *)	\
+	                        "org.apache.xalan.xslt.extensions.Redirect")
+
+
+XSLTPUBFUN void XSLTCALL
+		xsltFunctionNodeSet	(xmlXPathParserContextPtr ctxt,
+					 int nargs);
+XSLTPUBFUN void XSLTCALL
+		xsltDebug		(xsltTransformContextPtr ctxt,
+					 xmlNodePtr node,
+					 xmlNodePtr inst,
+					 xsltElemPreCompPtr comp);
+
+
+XSLTPUBFUN void XSLTCALL
+		xsltRegisterExtras	(xsltTransformContextPtr ctxt);
+XSLTPUBFUN void XSLTCALL
+		xsltRegisterAllExtras	(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __XML_XSLT_EXTRA_H__ */
+