pre-fixpak22 configuration (calling getpriority() on
non-existing process triggers a system-wide bug).
+
+ PrfDB was using a bug in processing XSUBs returning U32.
+
Variable $OS2::emx_rev implemented (string and numberic values
are the same as C variables _emx_rev and _emx_vprt).
Variable $OS2::emx_env implemented (same as C variable _emx_env).