git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@4025 c06c8d41-db1a-0410-9941-cceddc491573
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bool mons_inside_halo(int posx, int posy)
{
return (inside_halo(posx, posy) && mgrd[posx][posy] != NON_MONSTER);
}