SynEdit: Ifdef Markup: Allow setting state for else / fixed missing invalidation / fixed issue in detecting $else before topline

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41392 4005530d-fff6-0310-9dd1-cebe43e6787f
SynEdit: Ifdef Markup: Allow setting state for else 

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41393 4005530d-fff6-0310-9dd1-cebe43e6787f
SynEdit: Ifdef Markup: Allow setting state for else 

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41394 4005530d-fff6-0310-9dd1-cebe43e6787f