Could I get input on the following patch before I apply it?  The first
part (using string-bytes instead of length) seems like a no-brainer.
The second part, I'm less sure about.

--- url-http.el	4 Jun 2005 18:37:16 -0000	1.14
+++ url-http.el	10 Jun 2005 18:36:06 -0000
@@ -259,7 +259,7 @@
 	   (if url-request-data
 	       (concat
 		"Content-length: " (number-to-string
-				    (length url-request-data))
+				    (string-bytes url-request-data))
 		"\r\n"))
 	   ;; End request
 	   "\r\n"
@@ -1066,6 +1066,9 @@
 	(set-process-buffer connection buffer)
 	(set-process-sentinel connection 'url-http-end-of-document-sentinel)
 	(set-process-filter connection 'url-http-generic-filter)
+	(set-process-coding-system connection
+				   (detect-coding-string url-request-data t)
+				   url-request-coding-system)
 	(process-send-string connection (url-http-create-request url))))
     buffer))
 

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