| 2019-05-14 | Norbert Schirmer | Accomodate to Isabelle 2018 | file | diff | annotate |
| 2014-07-08 | Christian Urban |
updated for Isabelle 2014 | file | diff | annotate |
| 2012-04-30 | Christian Urban | removed special ML-setup and replaced it by explicit markups (i.e., %grayML) | file | diff | annotate |
| 2009-10-13 | Christian Urban | tuned the ML-output mechanism; tuned slightly the text | file | diff | annotate |