mark URL en/decode doc TODO

src/vmod_blobcode.vcc

@@ -61,6 +61,7 @@ ENUM values for a decoding can be one of:
 * ``BASE64URL``
 * ``BASE64URLNOPAD``
 * ``HEX``
+* ``URL``
 
 An encoding can be one of:
 
@@ -70,6 +71,8 @@ An encoding can be one of:
 * ``BASE64URLNOPAD``
 * ``HEXUC``
 * ``HEXLC``
+* ``URLUC``
+* ``URLLC``
 
 Empty strings are decoded into a "null blob" (of length 0),
 and conversely a null blob is encoded as the empty string.
@@ -134,6 +137,11 @@ byte. For example::
       = blobcode.encode(IDENTITY, blobcode.decode(HEX,
                         req.http.First + req.http.Second));
 
+URL*
+----
+
+*TODO*
+
 $Function BLOB decode(ENUM {IDENTITY, BASE64, BASE64URL, BASE64URLNOPAD,
                             HEX, URL} decoding, STRING_LIST encoded)