-treechildren::-moz-tree-image(subjectCol, news, attach, offline) {
+tree[noattachcol="true"] > treechildren::-moz-tree-image(subjectCol, rss, attach, ignoreSubthread),
+tree[noattachcol="true"] > treechildren::-moz-tree-image(subjectCol, news, attach, ignoreSubthread) {
+ list-style-image: url("chrome://messenger/skin/icons/message-news-attach-kill.gif");
+}
+
+.tabmail-tab[type="message"][MessageType="rss"][Attachment="true"][Offline="true"],
+.tabmail-tab[type="message"][MessageType="nntp"][Attachment="true"][Offline="true"],
+tree[noattachcol="true"] > treechildren::-moz-tree-image(subjectCol, rss, attach, offline),
+tree[noattachcol="true"] > treechildren::-moz-tree-image(subjectCol, news, attach, offline) {