[Lazarus] Should the "at" word be painted as reserved word ?

[Marco van de Voort]

On Mon, Feb 13, 2012 at 10:25:34AM +0800, Paul Ishenin wrote:
> > According to my "Sprachgef??hl" this cannot be anything other than a
> > reserved word. Its not an identifier, its not an operator, it can only
> > be a reserved word.
> 
> At is not a reserved word. It works only in the context of a raise 
> statement.

How is this different from "until" ?