no A_UNDERLINE effect in tmux

[ta1kt0me]

There is no A_UNDERLINE effect in tmux on Mac. This problem reproduces below.
https://gist.github.com/ta1kt0me/d890ef0b25513be40e2e1e3b60d0d51a

• OS: Mac OS Sierra
• Ruby: 2.4.0p0
• tmux: 2.3
• curses: 1.2.0

note

If don't use tmux, enable A_UNDERLINE effect.

• not use tmux

• use tmux

[drbrain]

This seems to be a terminfo issue, does this article's command fix it:

$({ infocmp -x screen-256color;
    printf '\t%s\n' 'ncv@,'; } > /tmp/t && tic -x /tmp/t)

[ta1kt0me]

thanks!