Sigils again

I've sent this message before, but Piers was kind enough to point out that the CGI script I'm forced to use to send mail does not readably format my messages, increasing the likelyhood that they are ignored. So here's a repost that's (hopefully) better to read.

RE: attr sigils?

Trey wrote: I'm wondering about how the sigil-invariance rule interacts with attributes. class Foo { attr $bar; attr bar; method baz { return .bar[$.bar]; # sigils disambiguate } method frob ($self:) { return $self.bar[$self.bar]; #