Ladies and Gentelemen,
If you happen to use Eclipse, you may find it useful to set automatic
trailing whitespace removal on save:
http://stackoverflow.com/questions/1043433/how-to-auto-remove-trailing-wh...
Note that JDT's autoformatter used to leave whitespace on some places at
the end of lines in JavaDoc which was fixed Eclipse 4.4 Luna. Hence,
make sure that you use that one or newer.
Best,
Peter