gzip was including a timestamp, and tar was enumerating files in an
unspecified/variable order.
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>
(+ minor modifiations)

This shouldn't be needed anymore, but I couldn't test because the
script is broken

Not needed anymore

This reverts commit 5c78dcbe.
Not needed anymore
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>

This reverts commit 11f64a07.
Not needed anymore
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>

This reverts commit ebc42905.
Not needed anymore.
Signed-off-by: Pierre Ynard <linkfanel@yahoo.fr>

There have been reports about this. Untested

Also add support for the Private Use Area characters and check for
valid ISO 8859 character sets.

Most progressbars are modal tasks.
Interruptible progress dialogs should be modal then.

Frontend features are in an enum, so ifdef does not work.

programs

We assume C99 nowadays.