diff -r 306df556f68a src/api_cite.js
--- a/src/api_cite.js	Thu Apr 28 10:59:49 2011 +0900
+++ b/src/api_cite.js	Sat Apr 30 10:36:16 2011 +0900
@@ -441,7 +441,12 @@
 							// (this has some jiggery-pokery in it for parallels)
 							var items = citations[(j - 1)].sortedItems;
 							var useme = false;
-							if ((citations[(j - 1)].sortedItems[0][1].id  == item[1].id && citations[j - 1].properties.noteIndex >= (citations[j].properties.noteIndex - 1)) || citations[(j - 1)].sortedItems[0][1].id == this.registry.registry[item[1].id].parallel) {
+
+							// See discussion:
+							// http://forums.zotero.org/discussion/17753/ibid-comments-vs-nonzotero-citations/
+							// if ((citations[(j - 1)].sortedItems[0][1].id  == item[1].id && citations[j - 1].properties.noteIndex >= (citations[j].properties.noteIndex - 1)) || citations[(j - 1)].sortedItems[0][1].id == this.registry.registry[item[1].id].parallel) {
+							//if ((citations[(j - 1)].sortedItems[0][1].id  == item[1].id && citations[j - 1].properties.noteIndex >= (citations[j].properties.noteIndex - 1)) || citations[(j - 1)].sortedItems[0][1].id == this.registry.registry[item[1].id].parallel) {
+							if (citations[(j - 1)].sortedItems[0][1].id  == item[1].id  || citations[(j - 1)].sortedItems[0][1].id == this.registry.registry[item[1].id].parallel) {
 								useme = true;
 							}
 							for (n = 0, nlen = items.slice(1).length; n < nlen; n += 1) {