K 10 svn:author V 3 jtn K 8 svn:date V 27 2014-06-02T22:33:25.585413Z K 7 svn:log V 180 Logic that checks whether an effect is prevented (in AI and UI) now checks present=FALSE requirements as well as nreqs. Reported by Emmet Hikory (persia@gna). See gna bug #21992. END