docs clean up

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@47245 4005530d-fff6-0310-9dd1-cebe43e6787f
datetimectrls: fixed compilation with fpc 2.7.1

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@47246 4005530d-fff6-0310-9dd1-cebe43e6787f