QScintilla: QScintilla (Qt port of the Scintilla C++ editor control)
QScintilla:
QScintilla: QScintilla includes features especially useful when editing and 
QScintilla: debugging source code. These include support for syntax styling, 
QScintilla: error indicators, code completion, and call tips. The selection 
QScintilla: margin can contain markers like those used in debuggers to 
QScintilla: indicate breakpoints and the current line. Styling choices are 
QScintilla: more open than with many editors, allowing the use of 
QScintilla: proportional fonts, bold and italics, multiple foreground and 
QScintilla: background colours, and multiple fonts.
QScintilla: