anchor.diff:      cast(ConnectionManager, {adjust_window, Channel, Bytes}).
   
   close(ConnectionManager, ChannelId) ->
  -    try   call(ConnectionManager, {close, ChannelId}) of
  +    try call(ConnectionManager, {close, ChannelId}) of
   	  ok ->
   	    ok;
   	  {error, channel_closed} ->
  
positive.code: %%
  %% %CopyrightBegin%
  %% 
  %% Copyright Ericsson AB 2008-2010. All Rights Reserved.
  %% 
  %% The contents of this file are subject to the Erlang Public License,
  %% Version 1.1, (the "License"); you may not use this file except in
  
negative.code: 	exit:{timeout, _} ->
  	    {error, timeout};
  	exit:{normal, _} ->
  	    {error, channel_closed};
  	exit:{noproc,_} ->
  	    {error, channel_closed}
      end.
  
  