diff src/elab_util.sml @ 1553:4105f779de7b

Even gentler handling of back-button returns to pages with stale message-passing credentials
author Adam Chlipala <adam@chlipala.net>
date Sun, 28 Aug 2011 19:32:20 -0400
parents 9e0fa4f6ac93
children c37d8341940a
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