Sun, 19 Apr 2015 21:49:24 +0200 wenzelm proper isatest machine;
Sat, 23 May 2015 22:13:24 +0200 wenzelm prefer lmodern, which produces scalable T1 fonts even with Debian-ized TeXLive;
Tue, 12 May 2015 08:48:11 +0200 nipkow this warning is hardly useful but produces noisy markers in the jedit interface
Sat, 09 May 2015 12:19:24 +0200 nipkow undid 6d7b7a037e8d because it does not help but slows simplification down by up to 5% (AODV)
Thu, 07 May 2015 15:34:28 +0200 hoelzl generalized tends over powr; added DERIV rule for powr
Wed, 06 May 2015 15:04:38 +0200 blanchet added acknowledgment
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