this is a new version now 123
aaa--sss--rr
uuu--eee--99
som--emo--re--changes
xxxXXXxx
xxxXXX{this changes take place in dev branch only}xxxxx
???
some more some more
changes changes 
123
321
///
add [empty] line to the top.
hello:
this is a testing file.
so what's next?
a new line
2nd new line
3rd new line
4th new line {changes at master... + new features under feature1}
news for feature2...