that can be run to perform whatever action is necessary to allow the user
to post the content.
+If the hook is ran on a comment, it will be put in the moderation queue if
+anything but `undef` is returned. The function or error message will not
+be ran or displayed.
+
### <a name="editcontent">editcontent</a>
hook(type => "editcontent", id => "foo", call => \&editcontent);
### `%pagesources`
-The `%pagesources` has can be used to look up the source filename
+The `%pagesources` hash can be used to look up the source filename
of a page. So the key is the page name, and the value is the source
filename. Do not modify this hash.