Is there a way to indicate if the sound is set to mute or not using
i3status? I know how to show the volume (as explained in
man i3status), but it doesn't distinguish between mute or just 0% volume.
I am using i3sttatus version 2.7 (2013-02-27) and alsa under 3.10.6-gentoo x86_64 with default colors for i3status. If I set the volume to mute via amixer or alsamixer, then the volume indicator will be yellow, whereas manually lowering the volume to 0% retains the default white coloring.
Here is the relevant part of /etc/i3status.conf: