- xinclude.c: fixed XInclude recursive behaviour bug #54678

- result/XInclude/recursive.xml test/XInclude/docs/recursive.xml
  test/XInclude/ents/inc.txt test/XInclude/ents/sub-inc.ent:
  added specific regression test
- parser.h: preparing for the XSLT mode where DTD inherited
  attributes are added to the tree.
Daniel

include/libxml/parser.h

@@ -110,6 +110,23 @@ typedef enum {
     XML_PARSER_IGNORE		/* within an IGNORED section */
 } xmlParserInputState;
 
+/**
+ * XML_DETECT_IDS:
+ *
+ * Bit in the loadsubset context field to tell to do ID/REFs lookups
+ * Use it to initialize xmlLoadExtDtdDefaultValue
+ */
+#define XML_DETECT_IDS		2
+
+/**
+ * XML_COMPLETE_ATTRS:
+ *
+ * Bit in the loadsubset context field to tell to do complete the
+ * elements attributes lists with the ones defaulted from the DTDs
+ * Use it to initialize xmlLoadExtDtdDefaultValue
+ */
+#define XML_COMPLETE_ATTRS	4
+
 /**
  * xmlParserCtxt:
  *