Mon, 25 May 1998 21:14:00 +0200 wenzelm renamed state_source to source';
Mon, 25 May 1998 21:13:20 +0200 wenzelm added recover, source;
Mon, 25 May 1998 21:12:46 +0200 wenzelm added catch: ('a -> 'b) -> 'a -> 'b;
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