Updated encoder library, especially URL encoders to reuse implementation of percent_encoder.e

Fixed JSON_ENCODER for %T and related.
Updated related autotest cases.

library/text/encoder/src/utf8_url_encoder.e

@@ -14,23 +14,6 @@ class
 
 inherit
 	URL_ENCODER
-		redefine
-			name,
-			general_encoded_string,
-			encoded_string, partial_encoded_string,
-			decoded_string
-		select
-			encoded_string,
-			decoded_string,
-			has_error
-		end
-
-	UTF8_ENCODER
-		rename
-			general_encoded_string as utf8_general_encoded_string,
-			encoded_string as utf8_encoded_string,
-			decoded_string as utf8_decoded_string,
-			has_error as utf8_has_error
 		redefine
 			name
 		end
@@ -42,43 +25,8 @@ feature -- Access
 			create {IMMUTABLE_STRING_8} Result.make_from_string ("UTF8-URL-encoded")
 		end
 
-feature -- Encoder
-
-	encoded_string (s: READABLE_STRING_32): STRING_8
-			-- URL-encoded value of `s'.
-		do
-			Result := general_encoded_string (s)
-		end
-
-	general_encoded_string (s: READABLE_STRING_GENERAL): STRING_8
-		do
-			Result := utf8_general_encoded_string (s)
-			Result := Precursor {URL_ENCODER} (Result)
-			has_error := has_error or utf8_has_error
-		end
-
-	partial_encoded_string (s: READABLE_STRING_GENERAL; a_ignore: ARRAY [CHARACTER]): STRING_8
-			-- URL-encoded value of `s'.
-		do
-			Result := utf8_general_encoded_string (s)
-			Result := Precursor {URL_ENCODER} (Result, a_ignore)
-			has_error := has_error or utf8_has_error
-		end
-
-feature -- Decoder
-
-	decoded_string (v: READABLE_STRING_8): STRING_32
-			-- The URL-encoded equivalent of the given string
-		do
-			Result := Precursor {URL_ENCODER} (v)
-			if not has_error then
-				Result := utf8_decoded_string (Result)
-				has_error := utf8_has_error
-			end
-		end
-
 note
-	copyright: "2011-2013, Eiffel Software and others"
+	copyright: "Copyright (c) 2011-2014, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 	source: "[
 			Eiffel Software