bug#47868: 28.0.50; [native-comp] vertico package doesn't work when loading the corresponding eln file

[Eli Zaretskii]

> From: Daniel Mendler <mail@daniel-mendler.de>
> Date: Wed, 21 Apr 2021 10:05:21 +0200
> Cc: 47868@debbugs.gnu.org, tsdh@gnu.org
> 
> Is it uncommon to use propertized string literals

Not sure if it's common, but IMNSHO it's somewhat ugly and hard to
read (and easy to make mistakes).  So my recommendation is not to use
that; use propertize instead.