Harald

>> more flexible to have another separator that happens to be a row break when I wrote that, I thought, it could be easy to add a separator "engine" that...

(sorry for answering very late) > do you mean the recently used engine list yes in my wide qm, the tools are very lonely :-) this could be filled with...

I would like to get this more compact:  e.g. like this:  that's why I suggested a tabbing tile. Or a group has a length that is always modulo...

> group has a length that is always modulo tab width. this might be the simplest...just fill the tab width with empty tiles

there is an add-on for atom showing railroad diagrams for regexps