Corrected a few program errors.

Author Pascal J. Bourguignon <pjb@informatimago.com>
Author date 2013-06-16 13:20:38
Author local date 2013-06-16 15:20:38 +0200
Committer Pascal J. Bourguignon <pjb@informatimago.com>
Committer date 2013-06-16 13:20:38
Committer local date 2013-06-16 15:20:38 +0200
Commit 779891e957554e3f8b4ffb7e924b88b70609993a
Tree 255fb2709bce17db2044d47ee177e0bb1349e514
Parent ffc2e295b817b31cad28b28155c97de6ab31abe2
Corrected a few program errors.
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