The version numbering format for XFree86 3.3.x releases is M.m.nx,
where M is the major version number (3), m is the
minor version number (3), n is the sub-minor version number,
and x is a letter. Between-release snapshots are indicated by
including x, a lower case letter. An exception to this scheme
was the 3.3.3.1 release, which was an update to the 3.3.3 release.
3.3The 3.3 release.
3.3aThe first post-3.3 development snapshot.
3.3.1The 3.3.1 release.
3.3.1aThe first post-3.3.1 development snapshot.
3.3.2The 3.3.2 release.
3.3.2aThe first post-3.3.2 development snapshot.
3.3.3The 3.3.3 release.
3.3.3aThe first post-3.3.3 development snapshot.
3.3.3.1The 3.3.3.1 release.
3.3.3.1aThe first post-3.3.3.1 development snapshot.
3.3.4The 3.3.4 release.
3.3.4aThe first post-3.3.4 snapshot.
3.3.5The 3.3.5 release.
3.3.5aThe first post-3.3.5 snapshot.
3.3.6The 3.3.6 release.
3.3.6aThe first post-3.3.6 snapshot.