array-append* docs: No broadcasting along axis k

[gambiteer]

This makes the documentation match the implementation and the last example. (It may be obvious that this is what it should do, but it confused me for a while.)

[pavpanchekha]

Uhh, looking at the suggested change I'm not sure what the new change means? You mean they're not broadcast along k?

[gambiteer]

Right, you have

heine:~/lang/scheme/srfi-231/srfi-231> /usr/local/racket/bin/racket
Welcome to Racket v8.16.0.2 [cs].
> (require math/array)
> (array-append* (list (array #[#[0 1] #[2 3]]) (array #['a])) 0)
(array #[#[0 1] #[2 3] #['a 'a]])
> (array-append* (list (array #[#[0 1] #[2 3]]) (array #['a])) 1)
(array #[#[0 1 'a] #[2 3 'a]])

See also

math/math-lib/math/private/array/typed-array-transform.rkt

Line 159 in 38ae0f4

(define (array-broadcast-for-append arrs k)

where you have a separate broadcast routine for append that deletes the kth axis before applying broadcasting and reinserts it after.