id,summary,reporter,owner,description,type,status,priority,milestone,component,version,severity,resolution,keywords,cc
11244,wp_widget_rss_output with show_summaryshows two ellipses,aaroncampbell,westi,"You should be able to see this by looking at the WordPress Development Blog feed on the dashboard.  One is actually three periods, and one is …

It looks like the problem is that feeds (including those created by WordPress) often have a description that is shorter than 360 characters and already ends in [...], which means that the string is not shortened at all, but is treated as though it was.  The … is added in wp-includes/default-widgets.php on line 804:

{{{
$desc = wp_html_excerpt( $desc, 360 ) . ' […]';
}}}
",defect (bug),closed,low,3.0,Widgets,2.9,trivial,fixed,has-patch,