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It's time to talk about my writerdeck
(veronicaexplains.net)
This is a most excellent place for technology news and articles.
I'm surprised vim supports italics. Is there any terminal standard for that, like colors and bold text?
Apparently there are escape sequences for it; see my response to the parent post.
Even if there weren't, if a given terminal supported either the older Sixel or the newer KiTTY graphics protocol, it can outright display arbitrary images.
Mainline tmux doesn't support either protocol, though there's a fork that does do Sixel. They're using tmux, so I assume that that's not the route used.
I wouldn't be surprised if support comes from a plugin rather than Vim itself. Plugins can do a LOT in Vim.
Of course, Vim also has a crazy base feature set, so I guess I wouldn't be all that surprised if it did have base support.