How to programmatically fight with WPS:Credits
From EDM2
Compilation, editing, and tools info by Ilya Zakharevich. The rest obtained from Google using the search string
classinfo extended attributes
and from Google groups with
classinfo extended attributes group:*.os2.* classinfo wps group:*.os2.* sysloadfuncs group:*.os2.* author:walsh classinfo group:*.os2.* author:walsh
Most prolific info-producer is Rich Walsh (with a giant margin).
Particular chunks are not attributed to their authors, please look on Google again.