v5.4.7
Build: Add support for translated man pages using po4a.
xzdiff: Update the man page about the exit status.
xzdiff: Add support for .lz files.
xzgrep man page: Document exit statuses.
Fix typos
Major man page updates.
xzless: Use ||- in LESSOPEN with with "less" 451 and newer.
Man pages: Use similar syntax for synopsis as in xz.
Scripts: Ignore warnings from xz.