Index: sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-plugins/functions.php
===================================================================
--- sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-plugins/functions.php	(revision 5209)
+++ sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-plugins/functions.php	(working copy)
@@ -171,6 +171,16 @@
 add_filter( 'document_title_parts', __NAMESPACE__ . '\document_title' );
 
 /**
+ * Set the separator for the document title.
+ *
+ * @return string Document title separator.
+ */
+function document_title_separator() {
+	return '&mdash;';
+}
+add_filter( 'document_title_separator', __NAMESPACE__ . '\document_title_separator' );
+
+/**
  * Shorten excerpt length on index pages, so plugins cards are all the same height.
  *
  * @param string $excerpt The excerpt.
