As a test I decided to create a simple \"Hello world\" app in Delphi using Delphi 4, 5, 6, 7, 2005, 2010 and XE3. The app is nothing more than a TForm, a TButton with an On
Well .. there are many things that explain the difference between the old delphi release and the new .. the important thing is the support of unicode (D2009 .. DXE4),all chars in unicode alloc 2 bytes (in D1,D2,D3,D7,...they only alloc one byte)