Lab entries should be tagged "extra" to allow additional minivaults to be placed after the lab entry.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@7512 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dshaligram  on November 19, 2008
6IZXEPZJMWJQIZES4J7752C6WZ5CVP4GKKUVKSXBBDPZKMC4PCLQC
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