git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@4316 c06c8d41-db1a-0410-9941-cceddc491573
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int cast_healing(int power, int target_x = -1, int target_y = -1);
int cast_revitalisation(int power);
int cast_healing(int pow, int target_x = -1, int target_y = -1);
int cast_revitalisation(int pow);