Time to work on helping the Gnome Doc project, first step is reintegrating
the SGML DocBook parser in libxml2 distrib:
- DOCBparser.c DOCBparser.h testDocbook.c configure.in Makefile.am
  xmlversion.h.in: started (re)integrating the DocBook SGML parser.
- SAX.[ch]: cleanup and updates for DocBook
- debugXML.c parser.h tree.[ch] valid.c xpath.c: small macro or
  ex SGML identifier changes
- valid.c: removed a static unused function.
Daniel
diff --git a/xpath.c b/xpath.c
index 51ba599..439ca3d 100644
--- a/xpath.c
+++ b/xpath.c
@@ -3244,8 +3244,8 @@
             case XML_DOCUMENT_TYPE_NODE:
             case XML_DOCUMENT_FRAG_NODE:
             case XML_HTML_DOCUMENT_NODE:
-#ifdef LIBXML_SGML_ENABLED
-	    case XML_SGML_DOCUMENT_NODE:
+#ifdef LIBXML_DOCB_ENABLED
+	    case XML_DOCB_DOCUMENT_NODE:
 #endif
 		return(((xmlDocPtr) ctxt->context->node)->children);
 	    case XML_ELEMENT_DECL:
@@ -3382,8 +3382,8 @@
             case XML_DOCUMENT_TYPE_NODE:
             case XML_DOCUMENT_FRAG_NODE:
             case XML_HTML_DOCUMENT_NODE:
-#ifdef LIBXML_SGML_ENABLED
-	    case XML_SGML_DOCUMENT_NODE:
+#ifdef LIBXML_DOCB_ENABLED
+	    case XML_DOCB_DOCUMENT_NODE:
 #endif
                 return(NULL);
 	    case XML_NAMESPACE_DECL:
@@ -3448,8 +3448,8 @@
             case XML_DOCUMENT_TYPE_NODE:
             case XML_DOCUMENT_FRAG_NODE:
             case XML_HTML_DOCUMENT_NODE:
-#ifdef LIBXML_SGML_ENABLED
-	    case XML_SGML_DOCUMENT_NODE:
+#ifdef LIBXML_DOCB_ENABLED
+	    case XML_DOCB_DOCUMENT_NODE:
 #endif
                 return(NULL);
 	    case XML_NAMESPACE_DECL:
@@ -3491,8 +3491,8 @@
 	case XML_DOCUMENT_TYPE_NODE:
 	case XML_DOCUMENT_FRAG_NODE:
 	case XML_HTML_DOCUMENT_NODE:
-#ifdef LIBXML_SGML_ENABLED
-	case XML_SGML_DOCUMENT_NODE:
+#ifdef LIBXML_DOCB_ENABLED
+	case XML_DOCB_DOCUMENT_NODE:
 #endif
 	    return(NULL);
 	case XML_NAMESPACE_DECL: