--- a/FilteringStream.st Thu Mar 24 13:59:20 2016 +0100 +++ b/FilteringStream.st Fri Mar 25 16:44:11 2016 +0100 @@ -452,6 +452,8 @@ ! isWritable + "return true, if writing is supported by the receiver." + ^ outputStream notNil and:[outputStream isWritable] !