[PyQt] QsciLexerCustom class behaving differently in PyQt5?

[Dominique Cyprès]

Baz Walter wrote:
> No need for documentation: you broke my code :)

Thank you very much for your patience. Your suggestions do indeed make
the code run correctly.´

Here's the complete working example in case anyone comes along looking
for it: http://pastebin.com/kXC3eW1Q

Dominique