ui: don't use numeric character entities (like 
). They break translations.

ui: don't use numeric character entities (like 
). They break translations.

Even if it is possible to use numeric character entities and they are useful
(such as 
 for line break, © for ©), they break translations, because
intltool-extract doesn't help us here and doesn't translate them to actual
characters.
intltool-extract only decodes these:
'
"
<
>
&