I'm glad that you solved the issue, so it's not an IceCat bug
after all or what?
So, erm, that was... not optimal. I wrote the mail to Mart and bug-gnuz
address@hidden because for some reason I believed that was the
correct email address... Please don't ask me why.
Anyhow, with Mart's help I figured out how to display the emoji (see
I also found out that -- for some reason I don't know -- the Noto Color
Emoji font on my system appears to be corrupted, as the font shows up
as what looks like a rounded square in gnome-font-viewer (see
attachment). Not sure what causes this, but I fell back to the
uncoloured version of that font, namely Noto Emoji. It's no big deal,
Now all emoji that I wanted to display show up just fine.
Thanks again for your help, Mart!