preparing 2.4.6 release updated and rebuilt the docs fixed a number of

* configure.in: preparing 2.4.6 release
* doc/xml.html doc/html/*: updated and rebuilt the docs
* include/libxml/*.h *.c: fixed a number of teh/the widht/width typos
Daniel
diff --git a/DOCBparser.c b/DOCBparser.c
index 237d6d4..3983c5a 100644
--- a/DOCBparser.c
+++ b/DOCBparser.c
@@ -228,7 +228,7 @@
  * If the encoding is unspecified, in the case we find an ISO-Latin-1
  * char, then the encoding converter is plugged in automatically.
  *
- * Returns the current char value and its lenght
+ * Returns the current char value and its length
  */
 
 static int
@@ -310,7 +310,7 @@
        }
     }
     /*
-     * Assume it's a fixed lenght encoding (1) with
+     * Assume it's a fixed length encoding (1) with
      * a compatibke encoding for the ASCII set, since
      * XML constructs only use < 128 chars
      */