lib/60430: latest curses fails to restore original background

["rvp%SDF.ORG@localhost via gnats" <gnats-admin%NetBSD.org@localhost>]

>Number:         60430
>Category:       lib
>Synopsis:       latest curses fails to restore original background
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    lib-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Thu Jul 09 07:50:00 +0000 2026
>Originator:     RVP
>Release:        -HEAD with latest curses
>Organization:
>Environment:
NetBSD/amd64 11.99.6
>Description:
Curses from a few days ago doesn't restore the original background if
a program changes it.
>How-To-Repeat:
1. Run sysinst(8) on the console (TERM=wsvt25).

2. Exit immediately.

Background is now blue.
>Fix:
Workaround:

tput rs1 (or, run reset(1)).