IDE: mode matrix: comment

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41431 4005530d-fff6-0310-9dd1-cebe43e6787f
SynEdit: Ifdef Markup: fix crash when open shared synedit

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@41432 4005530d-fff6-0310-9dd1-cebe43e6787f