SynrEdit: lfm highlighter, clean up, issue 0024700

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42151 4005530d-fff6-0310-9dd1-cebe43e6787f
SynrEdit: regex, clean up, issue 0024700

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42152 4005530d-fff6-0310-9dd1-cebe43e6787f