Summary
- merged
- NEWS;
- added action to make antiquoted cartouche;
- tuned signature;
- tuned signature;
- added GUI_Thread.future (similar to JFX_GUI.Thread.future): useful for experimentation with Scala console in Isabelle/jEdit;
- clarified control style;
- font style for literal control symbols, notably for antiquotations;
- tuned;
- tuned comments;
- more lemmas