K 10 svn:author V 3 jtn K 8 svn:date V 27 2014-01-31T20:01:12.675312Z K 7 svn:log V 161 Catch an invalid improvement ID in a sabotage request from the client before it causes a segfault. Reported by Michal Mazurek (akfaew@gna). See gna bug #21558. END