Attitude about new keywords

[Paul Rubin]

David Eppstein <eppstein at ics.uci.edu> writes:
> > I'd like to ask a meta-question about this: why is adding new keywords
> > something to be so urgently avoided?
> 
> Because it can make previously-working code stop working, when the new 
> keyword happens to match somebody's variable name.

That's an argument for introducing new keywords sooner or later,
before too much code gets written that uses those names for variables.