<donatefaq> has strange <U+200B> character at the front
Commit b4d22a29 in the webwml repo is
--- a/include/donatehead.wmi
+++ b/include/donatehead.wmi
@@ -34,7 +34,7 @@
</div>
<ul id="navbar" class="nav navbar-nav navbar-right">
<li><a href="<page about/overview>">About</a></li>
- <li><a href="<U+200B>https://donate.torproject.org/donor-faq">Questions?</a></li>
+ <li><a href="<donatefaq>">Questions?</a></li>
</ul>
</div>
</nav>
and then
+<define-tag donatefaq whitespace=delete><U+200B>https://donate.torproject.org/donor-faq</define-tag>
I guess the whitespace=delete saves you here, but the right fix would have been to remove the strange hard-to-print character. Hopefully this is useful for next time. It is probably still best to remove the strange hard-to-print character, lest it bite you in the future.