* Catch invalid OLE2 files that claim there is data in a directory.
* Better error handling for Infile::child_by_*
* Work harder to restore invalid ole2 files with bad BATs.
* Begin an interface for ole2 export with non-default block sizes.
* Name the root directory 'Root Entry' to keep libole2 happy.
* Support CLSIDs for Storages for the AAF project
* Test and fix bugs reading ole files with non-default block sizes.
* Plug major gzip output leak.
libgsf provides an efficient extensible I/O abstraction for dealing with
different structured file formats. It has support for Microsoft OLE2
streams and Zip import. The aim of this library is to replace libole2.
Provided in pkgsrc-wip by Jeremy C. Reed with many changes by me.