-Initializes a "filter" stream. A filter stream has the capability of a normal
-stream but it can be placed on the top of another stream. So, for example, it
-can uncompress, uncrypt the datas which are read from another stream and pass it
-to the requester.
+\func{}{wxFilterInputStream}{\param{wxInputStream*}{ stream}}
+
+Initializes a "filter" stream.
+
+If the parent stream is passed as a pointer then the new filter stream
+takes ownership of it. If it is passed by reference then it does not.