Index: /pyyaml/trunk/lib/yaml/scanner.py
===================================================================
--- /pyyaml/trunk/lib/yaml/scanner.py	(revision 188)
+++ /pyyaml/trunk/lib/yaml/scanner.py	(revision 191)
@@ -1306,5 +1306,5 @@
                 if ch in u'\0 \t\r\n\x85\u2028\u2029'   \
                         or (not self.flow_level and ch == u':' and
-                                self.peek(length+1) in u'\0 \t\r\n\x28\u2028\u2029') \
+                                self.peek(length+1) in u'\0 \t\r\n\x85\u2028\u2029') \
                         or (self.flow_level and ch in u',:?[]{}'):
                     break
@@ -1312,5 +1312,5 @@
             # It's not clear what we should do with ':' in the flow context.
             if (self.flow_level and ch == u':'
-                    and self.peek(length+1) not in u'\0 \t\r\n\x28\u2028\u2029,[]{}'):
+                    and self.peek(length+1) not in u'\0 \t\r\n\x85\u2028\u2029,[]{}'):
                 self.forward(length)
                 raise ScannerError("while scanning a plain scalar", start_mark,