ADDED: Make stream_property(S, file_name(File)) look at downstream streams if the stream itself is not associated to a file.
ADDED: Make stream_property(S, file_name(File)) look at downstream
streams if the stream itself is not associated to a file.

jn7163/swipl-devel,mndrix/swipl-devel,edechter/swipl-devel,jn7163/swipl-devel,jn7163/swipl-devel,koryonik/swipl-devel,edechter/swipl-devel,jn7163/swipl-devel,edechter/swipl-devel,jn7163/swipl-devel,mndrix/swipl-devel,edechter/swipl-devel,edechter/swipl-devel,koryonik/swipl-devel,koryonik/swipl-devel,mndrix/swipl-devel,mndrix/swipl-devel,mndrix/swipl-devel,koryonik/swipl-devel,koryonik/swipl-devel