bug#53361: 29.0.50; list-multisession-values edits should update the value immediately

[Lars Ingebrigtsen]

I.e., `e' on a value should update the in-memory multisession variable.

(I'm just filing a bug report so I don't forget this again.)


In GNU Emacs 29.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.31, cairo 
version 1.16.0)
 of 2022-01-18 built on xo
Repository revision: 5006e19856ea88eb042d1af1cb05136bf2f25cd7
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12014000
System Description: Debian GNU/Linux bookworm/sid


-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no