Weird block space characters after ttf-font-awesome characters about i3blocks HOT 9 CLOSED

Found a Topic on the Archlinux Forums about this: https://bbs.archlinux.org/viewtopic.php?id=233098

Uninstalling ttf-font-awesome and installing otf-font-awesome worked for me.

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Same issue after update

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That's weird, does "fp-cache -f" do any change? (run as admin)

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sudo fc-cache -f doesn't seem to have any effect.

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The weird thing is I cannot reproduce this on Void Linux (glibc).
If you specify two fonts (fallback font like "Ubuntu Mono, Source Code Pro" or alike), does the problem still appear?

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I tried the following i3config configurations:

font pango:FontAwesome, pango:Roboto Mono 10
font pango:Roboto Mono, pango:FontAwesome 10

But none of them fixed this issue. I am using the i3-wm and i3blocks packages for Arch.

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Find a solution yet? I'm running i3-gaps with i3blocks on arch as well.

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I saw issues like this on the font-awesome repo issues. Can you report upstream?

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This issue can be closed. (Though, I suppose for now that it might be better to leave open for visibility.)

Quoting @ael:

The bug is actually related to Pango. In fact i3wm use Pango to render text. The problem is that Pango does not correctly fallback to another font to render the space character U+0020 [1][2]. The new ttf Font Awesome 5 fonts do not provide anymore a space character, thus using a space after a proper Font Awesome char trigger the Pango bad behavior.

If you have ttf-fontawesome-5 installed you can reproduce the problem with:
pango-view -t ' A ' --font "pango:Font Awesome 5 Free"

You will see that the space after the bike (U+F206) is not correctly rendered while the space after the A letter is properly rendered.

[1] https://bugzilla.gnome.org/show_bug.cgi?id=775202
[2] https://bugzilla.gnome.org/show_bug.cgi?id=780068

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