- Edited gettingstartedqt.qdoc
- update .pro files
- replaced snippet statements by \quotefromfile
- removed second version of notepad.h and notepad.cpp
that were made only for quoting snippets
(\quotefromfile reads from the program code)
- show current filename in header of window
- added checking routine on filename in Save method
Task-number: QTBUG-63984
Change-Id: I5298d761763a4dfeb705a1d9b77354be853ada88
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>