🚀 go-pugleaf

Before I replicate someone else's work; I'm trying to obtain two bits of
code: 

1. Has anyone out there used Lyric's sketch to implement an atn (or rtn or
state diagram) editor using the programmer's interface?

2. In the event of my implementing the above, or modifying someone else's, 
has anyone 
implemented a structure editor that I could use as a basis for editing
node and arc labels? Yes, I suppose that I could use Sedit, but I'm
really looking for something that I can give a grammar (with only the
complexity of grammars for expressions in many programming languages) 
and then use the struct ed to produce something a little more
interesting looking than s-exps. Of course, avoiding the strict "hole
filling" mode of operation of the early structure editors would be an
added bonus (rather like just typing at Sedit).

If you have any such program(s), and can distribute them, please do
contact me.

Thanks,
mark.

(I should be mark@ux.cs.man.ac.uk from ARPA sites)