[Lazarus] Passing properties as var paramatars (was: Delphi editor clone)

[Howard Page-Clark]

On Sun, 8 Nov 2009 08:13:28 +1000
Alexander Klenin <klenin at gmail.com> wrote:

> > On Sat, 7 Nov 2009, Marco van de Voort wrote:
> >> This is not orthogonal. VAR parameters are generally updated
> >> instantaniously. By delaying the update over a temp variable you break
> >> another aspect of the VAR parameter.

I don't understand 'not orthogonal' in this sentence. What meaning does
orthogonal have apart from 'being at right angles to' ?

Howard