A sitebuilder can configure regular options lists (string, integer, float) to summarize their output (Monday through Wednesday, 3–5) in the same way sequential terms can be

Problem/Motivation

Lists (text or numeric with labels) have the same properties as taxonomy terms: a known number of

Steps to reproduce

Look to use a sequential formatter on a plain list field. You can't.

Proposed resolution

Create an additional "Sequential items" formatter that applies to non-entity-reference, non-taxonomy-term lists.

Remaining tasks

Find someone who wants this able to do it or sponsor (such as via hiring Agaric or DevCollaborative).

User interface changes

A new formatter "In other words: Sequential items" becomes available on list fields (Text (list) etc.) with all the most of the same options as Sequential terms ("link to referenced entity" would not be applicable).

API changes

Not applicable.

Data model changes

Not applicable.