diff -r c59ee1ff6f27 Lib/idlelib/HyperParser.py
--- a/Lib/idlelib/HyperParser.py	Sat Dec 29 23:41:08 2012 +0200
+++ b/Lib/idlelib/HyperParser.py	Sun Dec 30 18:08:46 2012 +0200
@@ -232,6 +232,11 @@
                     pass
                 else:
                     # We can't continue after other types of brackets
+                    if rawtext[pos] in "'\"":
+                        # Scan a string prefix
+                        while pos > 0 and rawtext[pos - 1] in "rRbBuU":
+                            pos -= 1
+                        last_identifier_pos = pos
                     break
 
             else: