* canlock.el (canlock-password): Remove `:size 0' or `:size 1'

* canlock.el (canlock-password): Remove `:size 0' or `:size 1'
which may confuse users.
(canlock-password-for-verify): Ditto.

* deuglify.el (gnus-outlook-deuglify-unwrap-stop-chars): Ditto.

* gnus-art.el (gnus-emphasis-alist): Ditto.

* gnus-registry.el (gnus-registry-max-entries): Ditto.

* gnus-score.el (gnus-adaptive-word-length-limit): Ditto.

* gnus-start.el (gnus-save-killed-list): Ditto.

* gnus-sum.el (gnus-thread-hide-subtree): Ditto.
(gnus-sum-thread-tree-root): Ditto.
(gnus-sum-thread-tree-false-root): Ditto.
(gnus-sum-thread-tree-single-indent): Ditto.

* message.el (message-courtesy-message): Ditto.
(message-archive-note): Ditto.
(message-subscribed-address-file): Ditto.
(message-user-fqdn): Ditto.

* spam-report.el (spam-report-gmane-regex): Ditto.

* spam.el (spam-blackhole-good-server-regex): Ditto.