pan>
Do not capitalize the first word of the <kbd>%O</kbd> field unless
it is a proper noun.
</p>

<p>
Generally, consider <kbd>%O</kbd> a catch-all for information that
does not match the criterion of any existing field identifier.
</p>

<h4 id="C" class="docs fields">%C &ndash; city</h4>

<p>
Normally, <kbd>%C</kbd> takes the name of the city of publication,
and that&#8217;s all.  In the case of a republished book, if new material
has been added, put such information in the <kbd>%C</kbd>
field, like this: