Why is PfaEdit based on a non-standard widget set?
I wanted a widget set that would handle Unicode reasonably well. In particular I thought support for bidi text was important for hebrew and arabic typography. As I was unaware of any widget sets that did that, I wrote my own. I also wanted a widget set where I could actually figure out whether the checkbox was checked or not checked. In far too many cases my eyes can’t work out which is which…