Comment # 4 on bug 1026156 from Stanislav Brabec

It cannot be easily fixed on Weblate side. Without the format information,
Weblate cannot decide whether it is a bug or not.

For example, for printf(), "%s" is a format specifier. For puts(), "%s" are
just two normal characters.

In this particular case, it looks like a problem of gettext-tools not
understanding ruby language:

_("<p><b>Specimen for %s</b></p>") % script

Tools should be able to detect that %s is a format specifier here, and generate
the correct format comment. Weblate then will activate the check.