Wed, 21 Apr 1999 16:30:35 +0200 wenzelm added is_current;
Tue, 20 Apr 1999 15:23:43 +0200 wenzelm fixed ISABELLE_HOME/lib/logo/isabelle-tiny.xpm;
Tue, 20 Apr 1999 15:20:27 +0200 wenzelm temporarily fake quiet_mode;
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