Nothing to print if no 'ruler'.

Author Gra <gra at opame dot net>
Author date 2009-06-12 16:15:05
Author local date 2009-06-12 18:15:05 +0200
Committer Gra <gra at opame dot net>
Committer date 2009-06-13 07:46:20
Committer local date 2009-06-13 09:46:20 +0200
Commit cc3d422c61ea8184cf41942c201ad12cd51c7058
Tree d9bce3860005cdf44188a827d6046f1f2bd5174a
Parent b383a55727799174c04f7a7c80b562ab075419bb
Nothing to print if no 'ruler'.
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