Thu, 14 Oct 1999 15:14:14 +0200 wenzelm support thumbpdf;
Thu, 14 Oct 1999 15:05:35 +0200 wenzelm fixed comment;
Thu, 14 Oct 1999 15:04:36 +0200 wenzelm pdf: generate thumbnails if ISABELLE_THUMBPDF set;
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip