SynEdit: Ifdef highlight, more verbose assert.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43064 4005530d-fff6-0310-9dd1-cebe43e6787f
PascalScript:missing lpl file

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43065 4005530d-fff6-0310-9dd1-cebe43e6787f