commit 43bbe3862be126ebf8ef84c4e30a0deb02b517e7
Author: Alexey Neyman <stilor att net>
Date:   Mon Apr 8 12:41:02 2013 -0700

    Remove premature check on URI being relative (gives false negatives).

diff --git a/xinclude.c b/xinclude.c
index ace005b..107ac03 100644
--- a/xinclude.c
+++ b/xinclude.c
@@ -1687,7 +1687,7 @@ loaded:
     /*
      * Do the xml:base fixup if needed
      */
-    if ((doc != NULL) && (URL != NULL) && (xmlStrchr(URL, (xmlChar) '/')) &&
+    if ((doc != NULL) && (URL != NULL) &&
         (!(ctxt->parseFlags & XML_PARSE_NOBASEFIX)) &&
 	(!(doc->parseFlags & XML_PARSE_NOBASEFIX))) {
 	xmlNodePtr node;