Tue, 29 Apr 2014 14:04:10 +0200 wenzelm ignore malformed file names outright, e.g. .class files with dollar;
Tue, 29 Apr 2014 13:32:13 +0200 wenzelm more systematic Isabelle output, like in classic Isabelle/ML (without markup);
Tue, 29 Apr 2014 13:29:05 +0200 wenzelm systematic replacement of 'files' by 'document_files';
Tue, 29 Apr 2014 12:00:50 +0200 wenzelm tuned signature -- accomodate operations of ROOT files;
Tue, 29 Apr 2014 11:14:39 +0200 wenzelm tuned -- prefer Isabelle/Scala operations;
Mon, 28 Apr 2014 23:43:13 +0200 wenzelm tuned proofs;
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