Version 1.1.26 (released 24-Jan-2017)
* security fix: escape nav_data name to avoid XSS attack
Version 1.1.25 (released 15-Sep-2016)
* fix _rev2optrev assertion on long input
Version 1.1.24 (released 02-Oct-2015)
* fix minor bug in human_readable boolean calculation
* allow hr_funout option to apply to unidiff diffs, too
* fix infinite loop in rcsparse
* fix iso8601 timezone offset handling (issue #542)
* add support for renamed roots (issue #544)
* fix minor buglet in viewvc-install error message
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