<p>I didn't really mean to, but ended up looking at this a bit more.</p>
<p>It's by no means just the font-packages that break, there are all sorts of other cases too, at least:</p>
<ul>
<li>passing arguments starting with "-" by passing them in as macros (%py2_build etc macros, some java packages) which now fail as invalid options. This is basically abuse, using "--" to separate arguments from options actually works but isn't widely known or documented.</li>
<li>%systemd_user_post macro fails with recursion loop on %{?*}</li>
</ul>
<p>Breakage on automatic macros is not a big surprise considering this changes scoping rules in some ways.</p>

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