Benno Schulenberg fabc1e1219 syntax: default: show hard spaces with a lightgrey background
Some keyboard layouts allow typing hard spaces (U+00A0),
which means that sometimes they can get typed by accident.
Colorize those spaces to make such accidents noticeable.

Inspired-by: Sébastien Desreux <seb@h-k.fr>
2025-04-26 12:18:42 +02:00
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