[Lazarus] Delphi editor clone

[Martin]

Hans-Peter Diettrich wrote:
> Please have a look at examples/dockmanager/elasticsite/SiteTest 
> project. It demonstrates how docking could work in the Lazarus IDE, 
> and how multiple editor windows could be implemented.
Does not work with fpc trunk

C:\lazarus_latest\examples\dockmanager\package\felasticsite.pas(106,35) 
Error: Can't take the address of constant expressions