qscntilla lexer

[user4592357]

hi forum,

can someone explain to me what does qscintilla's substitution mean and how can i use it? http://pyqt.sourceforge.net/Docs/QScintilla2/classQsciLexerTCL.html#a31d3169f45645a9faf38c96cac 327b08a56519805233273c84151d68bf400b2d9

thanks