codetools: explode with block: started $else

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45439 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: package editor: robust

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45440 4005530d-fff6-0310-9dd1-cebe43e6787f
synedit: comments, patch 26319 from Alexey Torgashin

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45441 4005530d-fff6-0310-9dd1-cebe43e6787f