Thu, 04 Feb 1999 18:14:40 +0100 wenzelm added 'use';
Thu, 04 Feb 1999 18:14:27 +0100 wenzelm fail_safe close;
Thu, 04 Feb 1999 18:13:10 +0100 wenzelm check_elem: allow ~, except for '~' and '~~';
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