Thu, 24 Jan 2002 22:42:14 +0100 fixed subgoal_tac; fails on non-existent subgoal;
wenzelm [Thu, 24 Jan 2002 22:42:14 +0100] rev 12847
fixed subgoal_tac; fails on non-existent subgoal;
Thu, 24 Jan 2002 22:41:44 +0100 copy_styles replaces overly conservative update_styles;
wenzelm [Thu, 24 Jan 2002 22:41:44 +0100] rev 12846
copy_styles replaces overly conservative update_styles;
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