ZXX

This is actually quite different version. On the plus side it uses boost regex (PCRE equiv) and that's the sole reason I use it (Flo's original uses only what Scintilla gave and that's pretty useless). Haven't tried the formatter (astyle addition) On the minus side, it doesn't serialize/deserialize config into .ini and doesn't have the top/master default font (have to set it explicitly for each language and to make things worse uses Fixedsys as default - Flo's without .ini picks up whatever Notepad...

Move config values to a simple config file

Did you test with 3.6 and say 3.4 and 2.7? And then the case when there are both 32 and 64 bit Python installs ? I know why I'm asking. It happened that I installed 3.7 which didn't have reg key setting for IDLE at all, so I downloaded someone's script from the net, and he had the subkey name very different from (apparently default) "Edit with IDLE" which I didn't like so I changed it a bit :-) So I ended up with shell\IDLEedit\ - totally irregular but it didn't break anything and I was happy. Lo...