diff --git a/content/html/content/src/nsHTMLAtomList.h b/content/html/content/src/nsHTMLAtomList.h
index 14c44aacf58..64aee719249 100644
--- a/content/html/content/src/nsHTMLAtomList.h
+++ b/content/html/content/src/nsHTMLAtomList.h
@@ -65,6 +65,9 @@ HTML_ATOM(area, "area")
 HTML_ATOM(axis, "axis")
 HTML_ATOM(background, "background")
 HTML_ATOM(below, "below")
+#ifdef IBMBIDI
+HTML_ATOM(bdo, "bdo")
+#endif
 HTML_ATOM(bgcolor, "bgcolor")
 HTML_ATOM(blockquote, "blockquote")
 HTML_ATOM(body, "body")
diff --git a/content/shared/public/nsHTMLAtomList.h b/content/shared/public/nsHTMLAtomList.h
index 14c44aacf58..64aee719249 100644
--- a/content/shared/public/nsHTMLAtomList.h
+++ b/content/shared/public/nsHTMLAtomList.h
@@ -65,6 +65,9 @@ HTML_ATOM(area, "area")
 HTML_ATOM(axis, "axis")
 HTML_ATOM(background, "background")
 HTML_ATOM(below, "below")
+#ifdef IBMBIDI
+HTML_ATOM(bdo, "bdo")
+#endif
 HTML_ATOM(bgcolor, "bgcolor")
 HTML_ATOM(blockquote, "blockquote")
 HTML_ATOM(body, "body")
diff --git a/content/shared/public/nsLayoutAtomList.h b/content/shared/public/nsLayoutAtomList.h
index 8f943f3893c..c3a5f726f0b 100644
--- a/content/shared/public/nsLayoutAtomList.h
+++ b/content/shared/public/nsLayoutAtomList.h
@@ -181,6 +181,16 @@ LAYOUT_ATOM(Korean, "ko")
 LAYOUT_ATOM(wildcard, "*")
 LAYOUT_ATOM(mozdirty, "_moz_dirty")
 
+#ifdef IBMBIDI
+LAYOUT_ATOM(directionalFrame, "DirectionalFrame")
+LAYOUT_ATOM(listControlFrame,"ListControlFrame")
+LAYOUT_ATOM(baseLevel, "BaseLevel")                            // PRUint8
+LAYOUT_ATOM(embeddingLevel, "EmbeddingLevel")                  // PRUint8
+LAYOUT_ATOM(endsInDiacritic, "EndsInDiacritic")                // PRUint32
+LAYOUT_ATOM(nextBidi, "NextBidi")                              // nsIFrame*
+LAYOUT_ATOM(charType, "charType")                              // PRUint8
+#endif
+
 #ifdef DEBUG
   // Alphabetical list of atoms used by debugging code
 LAYOUT_ATOM(cellMap, "TableCellMap")
diff --git a/layout/base/nsLayoutAtomList.h b/layout/base/nsLayoutAtomList.h
index 8f943f3893c..c3a5f726f0b 100644
--- a/layout/base/nsLayoutAtomList.h
+++ b/layout/base/nsLayoutAtomList.h
@@ -181,6 +181,16 @@ LAYOUT_ATOM(Korean, "ko")
 LAYOUT_ATOM(wildcard, "*")
 LAYOUT_ATOM(mozdirty, "_moz_dirty")
 
+#ifdef IBMBIDI
+LAYOUT_ATOM(directionalFrame, "DirectionalFrame")
+LAYOUT_ATOM(listControlFrame,"ListControlFrame")
+LAYOUT_ATOM(baseLevel, "BaseLevel")                            // PRUint8
+LAYOUT_ATOM(embeddingLevel, "EmbeddingLevel")                  // PRUint8
+LAYOUT_ATOM(endsInDiacritic, "EndsInDiacritic")                // PRUint32
+LAYOUT_ATOM(nextBidi, "NextBidi")                              // nsIFrame*
+LAYOUT_ATOM(charType, "charType")                              // PRUint8
+#endif
+
 #ifdef DEBUG
   // Alphabetical list of atoms used by debugging code
 LAYOUT_ATOM(cellMap, "TableCellMap")