Pascal,
Your browser eliminates the multiple spaces as it displays the page. You can force it to keep them by putting HTML tags into the message. Put <PRE> in front of the code fragment and </PRE> at the end.
>Sorry about the indentation...
>
>Anybody can tell me what the trick is here?
>
>The message seemed indented properly when I entered it
>but once posted the indentation was gone...