this post was submitted on 24 Nov 2023
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Turning on font "smart kerning" or "texture healing" in Emacs (alien.top)
submitted 1 year ago by stevemolitor@alien.top to c/emacs
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The Commit Mono font has a feature that it calls "smart kerning". Monaspace has a similar feature that it calls "texture healing." Characters are moved around slightly, or swapped out for a slightly larger or smaller character to even out the spacing, for example, when a wide character like an 'm' is followed by a narrow character like an 'l'.

The effect looks nice on their web sites. It worked in VSCode, but not in Emacs. The "smart kerning" / "texture healing" features did not seem to be activated when I tried the fonts in Emacs.

How would I get this to work in Emacs? The Monaspace docs say you have to add "'calt'" to "editor.ligatures" in the VSCode Settings. Commit Mono just worked without changing the settings.

I might end up hating the moving around, but I'd have to try it for a few hours to see. I'm just not sure how to set that up in Emacs, or if Emacs supports that sort of thing.

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[–] cerement@slrpnk.net 2 points 1 year ago

(I have no experience with Emacs) but it looks like getting Emacs to support ligatures requires a bit more futzing – the instructions for getting Fira Code ligatures to work looks a bit involved