Sun, 17 Apr 2005 19:40:34 +0200 added delete_safe, insert, remove, remove_multi;
wenzelm [Sun, 17 Apr 2005 19:40:34 +0200] rev 15761
added delete_safe, insert, remove, remove_multi; tuned;
Sun, 17 Apr 2005 19:39:39 +0200 clarified insert/remove;
wenzelm [Sun, 17 Apr 2005 19:39:39 +0200] rev 15760
clarified insert/remove; tuned canonical fold/fold_rev;
Sun, 17 Apr 2005 19:39:11 +0200 tuned;
wenzelm [Sun, 17 Apr 2005 19:39:11 +0200] rev 15759
tuned;
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