Add punctual fix option

Working around the idea of global fix vs punctual fix
Tidy up formatting
Add a condition to global fix

Thanks @nenadjelovac
Use @else instead second @if

Thanks @nenadjelovac
Turn off line height #4. Thanks, @nenadjelovac
Merge pull request #5 from tweeb/punctual-fix

Merge pull request #3. Thanks, @nenadjelovac