Sun, 21 Aug 2011 20:04:02 +0200 wenzelm default style for user fonts -- to prevent org.gjt.sp.jedit.print.BufferPrintable from choking on null;
Sun, 21 Aug 2011 19:32:20 +0200 wenzelm tuned;
Sun, 21 Aug 2011 14:16:44 +0200 wenzelm discontinued somewhat pointless Par_List.map_name -- most of the time is spent in tokenization;
Sun, 21 Aug 2011 13:42:55 +0200 wenzelm discontinued obsolete Thy_Syntax.report_span -- information can be reproduced in Isabelle/Scala;
Sun, 21 Aug 2011 13:36:23 +0200 wenzelm merged
Sat, 20 Aug 2011 15:19:35 -0700 huffman replace lemma realpow_two_diff with new lemma square_diff_square_factored
Sat, 20 Aug 2011 15:54:26 -0700 huffman remove redundant lemma real_0_le_divide_iff in favor or zero_le_divide_iff
Sat, 20 Aug 2011 13:07:00 -0700 huffman move lemma add_eq_0_iff to Groups.thy
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