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

[Marco van de Voort]

On Wed, Feb 15, 2012 at 11:51:27AM +0100, Sven Barth wrote:
> >>
> >> At is not a reserved word. It works only in the context of a raise
> >> statement.
> >
> > How is this different from "until" ?
> 
> Maybe because the "at" was introduced rather late by Borland and then 
> they didn't want to break compatibility with code that uses "at" as a 
> variable or something. "until" is in the language for a long time 
> (Delphi language, not Pascal language). Same with words like "helper", 
> "read", "write", "default", "requires", "contains". They were all 
> introduced afterwards (though there seem to be exceptions, so it's not 
> easy to decide whether something is a global keyword or a context 
> sensitive one).

That was what I thought too initially. But there is also a gramatical
difference that in the case of repeat..until there is a zero or more
intermittent statements, while in the case of raise .. at there is one, and
only exactly one expression?