Re: Arith parsing bug with minus after $#

[Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>]

On May 29, 2015 1:54 PM, "ZyX" <kp-pav@xxxxxxxxx> wrote:
>
> But later it explicitly says that not enclosed in single braces may only
be names or single-character variables. I.e. $#- is ${#}-, $10 is ${1}0, …

Yes, but $#name to return the length of the value of $name is already a zsh
extension, so unless we're in some emulation mode, treating $#- as the
length of $- is perfectly reasonable.

I vaguely recall having a similar discussion about the meaning of $## ...
Related, is ${##foo} parsed like ${#name#foo} with an empty name, or ...?