svnhook is a subversion hook for the old editor and appbuilder.
svnhook is compatible with Progress version 9 or higher and works on both Windows and UNIX/Linux.
svnhook is based on The Progress Standard Libraries version 01.01.02 or higher.
http://www.oehive.org/project/lib
The Zip file comes with a procedure for loading files into your repository.
I recommend TortoiseSVN with WinMerge for browsing through your repository.
http://tortoisesvn.tigris.org/