Document the changes to nrepl-make-response-handler

Author: arrdem

nrepl-client.el

@@ -775,13 +775,18 @@ and 'session' keys.  Other standard response keys are 'value', 'out', 'err',
 
 The presence of a particular key determines the type of the response.  For
 example, if 'value' key is present, the response is of type 'value', if
-'out' key is present the response is 'stdout' etc.  Depending on the type,
-the handler dispatches the appropriate value to one of the supplied
-handlers: VALUE-HANDLER, STDOUT-HANDLER, STDERR-HANDLER, DONE-HANDLER,
-EVAL-ERROR-HANDLER, and PPRINT-OUT-HANDLER.  If the optional
-EVAL-ERROR-HANDLER is nil, the default `nrepl-err-handler' is used.  If any
-of the other supplied handlers are nil nothing happens for the
-corresponding type of response."
+'out' key is present the response is 'stdout' etc.
+
+Depending on the type, the handler dispatches the appropriate value to one
+of the supplied handlers: VALUE-HANDLER, STDOUT-HANDLER, STDERR-HANDLER,
+DONE-HANDLER, EVAL-ERROR-HANDLER, PPRINT-OUT-HANDLER and
+CONTENT-TYPE-HANDLER. Handlers are functions of the buffer and the value
+they handle, except for the optional CONTENT-TYPE-HANDLER which should be a
+function of the buffer, content and content-type to be handled.
+
+If the optional EVAL-ERROR-HANDLER is nil, the default `nrepl-err-handler'
+is used.  If any of the other supplied handlers are nil nothing happens for
+the corresponding type of response."
   (lambda (response)
     (nrepl-dbind-response response (content-type content value ns out err status id pprint-out)
       (when (buffer-live-p buffer)