Subject: Re: bug#62994: [PATCH v5] Add support for colored and styled underlines on tty frames

From: Po Lu <[email-masked]>
Date: Mon, 11 Mar 2024 10:07:47 +0800

Eli Zaretskii <[email-masked]> writes:

> Thanks.  I'm not sure I understand where you want to be directed.  Is
> it to the code which implements underwave on GUI frames? something
> else?

It's x_draw_underwave and its siblings in each of the *term.[cm] files,
though only X support is absolutely essential.