Thanks for the reply. This thread may give us some clues: https://bugzilla.mozilla.org/show_bug.cgi?id=1941820

Some fonts may require additional configuration to display properly, so usually manual installation should be avoided.

Please run (and post the result here) fc-match sans and fc-match serif to check fontconfig picks wrong italic font. If that’s the case, try to remove the TTF files you’ve installed via the font manager you’re using, then install the fonts via the package manager - it should configures fonts properly.

Please post the whole output (it should contain “font” and “text propertires”), and run describe-char against the actual space-inserted assignment operator you found (not the newly created file), and finally, enclose the output with three backquotes. to format it properly.

Can you post the output of M-x describe-char on each character (“:”, space, “=”) here?

The SCHEMA:PATH part seems slightly wrong (singular vs. plural). Try:

schema=org.gnome.settings-daemon.plugins.media-keys.custom-keybinding
path=/org/gnome/settings-daemon/plugins/media-keys/custom-keybindings/custom1/

gsettings get "${schema}:${path}" binding
gsettings get "${schema}:${path}" command
gsettings get "${schema}:${path}" name

How about consult-history? https://github.com/minad/consult?tab=readme-ov-file#histories