Comment # 56 on bug 1054448 from Dr. Werner Fink

(In reply to Nick Singer from comment #55)

> Thanks. I've added this repo and force-installed libncurses6 again. This
> resulted only in a vendor-change for libncurses6 and ncurses-devel
> (expected).
> Now ncurses applications (weechat, tmux, htop, ncmpcpp and ncdu tested) seem
> to work fine again with rxvt-unicode as terminal emulator and
> TERM=xterm-256color. I've not tested other terminal emulators /
> TERM-variables yet.

Seems to be sufficient:

 infocmp -T xterm-256color -1 | grep rep=
        rep=%p1%c\E[%p2%{1}%-%db,