| Wed, 22 May 2019 13:24:30 +0200 | Norbert Schirmer | fixing some Line references | file | diff | annotate |
| Wed, 22 May 2019 12:38:51 +0200 | Norbert Schirmer | polish document | file | diff | annotate |
| Tue, 21 May 2019 16:22:30 +0200 | Norbert Schirmer | accomodate to upcoming Isabelle 2019 | file | diff | annotate |