IDE: parse custom options on one line correctly for the all options GUI.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42208 4005530d-fff6-0310-9dd1-cebe43e6787f
EditorMacroScript: Refactor 

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@42209 4005530d-fff6-0310-9dd1-cebe43e6787f