Mon, 07 Oct 2013 17:55:01 +0200 wenzelm proper warning at run time, not in the parser;
Mon, 07 Oct 2013 13:42:33 +0200 wenzelm prefer "fresh" open -- requires Lion / Mountain Lion;
Mon, 07 Oct 2013 12:28:19 +0200 wenzelm clarified remove_overlay: always flush in order to make sure that apply_query can make a fresh start with the same arguments (see also 6e69f9ca8f1c) -- NB: print functions are idempotent;
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