--- libxml2-2.6.19-orig/xmlIO.c	2005-04-01 08:15:10.000000000 -0500
+++ libxml2-2.6.19/xmlIO.c	2005-04-09 09:57:46.000000000 -0400
@@ -686,15 +686,22 @@ xmlFileOpen_real (const char *filename) 
 
     if (path == NULL)
 	return(NULL);
-    if (!xmlCheckFilename(path))
-        return(NULL);
 
 #if defined(WIN32) || defined (__DJGPP__) && !defined (__CYGWIN__)
     fd = fopen(path, "rb");
 #else
     fd = fopen(path, "r");
 #endif /* WIN32 */
-    if (fd == NULL) xmlIOErr(0, path);
+    if (fd == NULL) {
+      /* NOTE: libxml2 does not raise an error on non-existent files */
+#ifdef HAVE_ERRNO_H
+      if (ENOENT != errno) 
+#else
+      if (xmlCheckFilename(path))
+#endif
+        xmlIOErr(0, path);
+    }
+
     return((void *) fd);
 }
 
@@ -915,10 +922,18 @@ xmlGzfileOpen_real (const char *filename
 
     if (path == NULL)
 	return(NULL);
-    if (!xmlCheckFilename(path))
-        return(NULL);
 
     fd = gzopen(path, "rb");
+    if (fd == NULL) {
+      /* NOTE: libxml2 does not raise an error on non-existent files */
+#ifdef HAVE_ERRNO_H
+      if (ENOENT != errno)
+#else
+      if (xmlCheckFilename(path))
+#endif
+        xmlIOErr(0, path); 
+    }
+
     return((void *) fd);
 }