On 11 Oct 2025, at 23:32, Daphne Preston-Kendal <xxxxxx@nonceword.org> wrote:

> Defining ‘recent’ as ‘since R7RS large SRFI development began’, I see no particular strong consensus either way; at most, a tendency:
>
> =: SRFI 116 ‘ilist=’, SRFI 122/179/231 ‘interval=’, SRFI 133 ‘vector=’, SRFI 134 ‘ideque=’

Add SRFI 148 ‘em-set=’ to this list.

> =?: SRFI 125 ‘hash-table=?’, SRFI 127 ‘lseq=?’, SRFI 146 ‘mapping=?’/‘hashmap=?’, SRFI 196 ‘range=?’, SRFI 214 ‘flexvector=?’, SRFI 225 ‘dict=?’

Daphne