Index: /FCKeditor/trunk/editor/_source/internals/fckxhtmlentities.js
===================================================================
--- /FCKeditor/trunk/editor/_source/internals/fckxhtmlentities.js	(revision 499)
+++ /FCKeditor/trunk/editor/_source/internals/fckxhtmlentities.js	(revision 500)
@@ -134,4 +134,10 @@
 			'⊥':'perp',
 			'⋅':'sdot',
+			'\u2308':'lceil',
+			'\u2309':'rceil',
+			'\u230a':'lfloor',
+			'\u230b':'rfloor',
+			'\u2329':'lang',
+			'\u232a':'rang',
 			'◊':'loz',
 			'♠':'spades',
@@ -309,5 +315,8 @@
 				'χ':'chi',
 				'ψ':'psi',
-				'ω':'omega'
+				'ω':'omega',
+				'\u03d1':'thetasym',
+				'\u03d2':'upsih',
+				'\u03d6':'piv'
 			} ;