diff --git a/examples/widgets/tutorials/addressbook/part1/addressbook.cpp b/examples/widgets/tutorials/addressbook/part1/addressbook.cpp
index 546dcde7e24..4e8c95635bb 100644
--- a/examples/widgets/tutorials/addressbook/part1/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part1/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part1/addressbook.h b/examples/widgets/tutorials/addressbook/part1/addressbook.h
index 21d369bd212..01dbf547e19 100644
--- a/examples/widgets/tutorials/addressbook/part1/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part1/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part1/main.cpp b/examples/widgets/tutorials/addressbook/part1/main.cpp
index 4598255c37d..71f3f4cad66 100644
--- a/examples/widgets/tutorials/addressbook/part1/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part1/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part2/addressbook.cpp b/examples/widgets/tutorials/addressbook/part2/addressbook.cpp
index c6ee903c968..e6f3409efc2 100644
--- a/examples/widgets/tutorials/addressbook/part2/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part2/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part2/addressbook.h b/examples/widgets/tutorials/addressbook/part2/addressbook.h
index 7b1bc682808..b1264328605 100644
--- a/examples/widgets/tutorials/addressbook/part2/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part2/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part2/main.cpp b/examples/widgets/tutorials/addressbook/part2/main.cpp
index 4598255c37d..71f3f4cad66 100644
--- a/examples/widgets/tutorials/addressbook/part2/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part2/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part3/addressbook.cpp b/examples/widgets/tutorials/addressbook/part3/addressbook.cpp
index b58574fd3dd..61c331d1f55 100644
--- a/examples/widgets/tutorials/addressbook/part3/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part3/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part3/addressbook.h b/examples/widgets/tutorials/addressbook/part3/addressbook.h
index e58772ea7bc..2458645ab51 100644
--- a/examples/widgets/tutorials/addressbook/part3/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part3/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part3/main.cpp b/examples/widgets/tutorials/addressbook/part3/main.cpp
index 9abd78411a9..70eabab2555 100644
--- a/examples/widgets/tutorials/addressbook/part3/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part3/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part4/addressbook.cpp b/examples/widgets/tutorials/addressbook/part4/addressbook.cpp
index 25969dee976..6b3731b5f67 100644
--- a/examples/widgets/tutorials/addressbook/part4/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part4/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part4/addressbook.h b/examples/widgets/tutorials/addressbook/part4/addressbook.h
index 790cb59348a..ff8c4f03182 100644
--- a/examples/widgets/tutorials/addressbook/part4/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part4/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part4/main.cpp b/examples/widgets/tutorials/addressbook/part4/main.cpp
index 9abd78411a9..70eabab2555 100644
--- a/examples/widgets/tutorials/addressbook/part4/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part4/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part5/addressbook.cpp b/examples/widgets/tutorials/addressbook/part5/addressbook.cpp
index fa8e7ce0ab7..90eb81986a3 100644
--- a/examples/widgets/tutorials/addressbook/part5/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part5/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part5/addressbook.h b/examples/widgets/tutorials/addressbook/part5/addressbook.h
index bb8f9a8a1e8..5e2c18e91af 100644
--- a/examples/widgets/tutorials/addressbook/part5/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part5/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part5/finddialog.cpp b/examples/widgets/tutorials/addressbook/part5/finddialog.cpp
index 5727029ff89..303f3d5b081 100644
--- a/examples/widgets/tutorials/addressbook/part5/finddialog.cpp
+++ b/examples/widgets/tutorials/addressbook/part5/finddialog.cpp

diff --git a/examples/widgets/tutorials/addressbook/part5/finddialog.h b/examples/widgets/tutorials/addressbook/part5/finddialog.h
index caac02dbafa..2b9c4e08dec 100644
--- a/examples/widgets/tutorials/addressbook/part5/finddialog.h
+++ b/examples/widgets/tutorials/addressbook/part5/finddialog.h

diff --git a/examples/widgets/tutorials/addressbook/part5/main.cpp b/examples/widgets/tutorials/addressbook/part5/main.cpp
index 9abd78411a9..70eabab2555 100644
--- a/examples/widgets/tutorials/addressbook/part5/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part5/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part6/addressbook.cpp b/examples/widgets/tutorials/addressbook/part6/addressbook.cpp
index 14c37a5cfbd..a9bc2cc51cf 100644
--- a/examples/widgets/tutorials/addressbook/part6/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part6/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part6/addressbook.h b/examples/widgets/tutorials/addressbook/part6/addressbook.h
index 0360dfd5a6a..99dfd1e4044 100644
--- a/examples/widgets/tutorials/addressbook/part6/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part6/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part6/finddialog.cpp b/examples/widgets/tutorials/addressbook/part6/finddialog.cpp
index 7e2067153f8..a5efb678c81 100644
--- a/examples/widgets/tutorials/addressbook/part6/finddialog.cpp
+++ b/examples/widgets/tutorials/addressbook/part6/finddialog.cpp

diff --git a/examples/widgets/tutorials/addressbook/part6/finddialog.h b/examples/widgets/tutorials/addressbook/part6/finddialog.h
index 48653665ff2..42ff91143ed 100644
--- a/examples/widgets/tutorials/addressbook/part6/finddialog.h
+++ b/examples/widgets/tutorials/addressbook/part6/finddialog.h

diff --git a/examples/widgets/tutorials/addressbook/part6/main.cpp b/examples/widgets/tutorials/addressbook/part6/main.cpp
index 9abd78411a9..70eabab2555 100644
--- a/examples/widgets/tutorials/addressbook/part6/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part6/main.cpp

diff --git a/examples/widgets/tutorials/addressbook/part7/addressbook.cpp b/examples/widgets/tutorials/addressbook/part7/addressbook.cpp
index ad268ad9e9c..6ad7630e8de 100644
--- a/examples/widgets/tutorials/addressbook/part7/addressbook.cpp
+++ b/examples/widgets/tutorials/addressbook/part7/addressbook.cpp

diff --git a/examples/widgets/tutorials/addressbook/part7/addressbook.h b/examples/widgets/tutorials/addressbook/part7/addressbook.h
index 3e84ede1914..a34cf24a237 100644
--- a/examples/widgets/tutorials/addressbook/part7/addressbook.h
+++ b/examples/widgets/tutorials/addressbook/part7/addressbook.h

diff --git a/examples/widgets/tutorials/addressbook/part7/finddialog.cpp b/examples/widgets/tutorials/addressbook/part7/finddialog.cpp
index 7e2067153f8..a5efb678c81 100644
--- a/examples/widgets/tutorials/addressbook/part7/finddialog.cpp
+++ b/examples/widgets/tutorials/addressbook/part7/finddialog.cpp

diff --git a/examples/widgets/tutorials/addressbook/part7/finddialog.h b/examples/widgets/tutorials/addressbook/part7/finddialog.h
index 48653665ff2..42ff91143ed 100644
--- a/examples/widgets/tutorials/addressbook/part7/finddialog.h
+++ b/examples/widgets/tutorials/addressbook/part7/finddialog.h

diff --git a/examples/widgets/tutorials/addressbook/part7/main.cpp b/examples/widgets/tutorials/addressbook/part7/main.cpp
index 9abd78411a9..70eabab2555 100644
--- a/examples/widgets/tutorials/addressbook/part7/main.cpp
+++ b/examples/widgets/tutorials/addressbook/part7/main.cpp