Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror PyString_Concat() and PyString_ConcatAndDel() (the name PyUnicode_Concat() was already taken). Change PyObject_Repr() to always return a unicode object. Update all repr implementations to return unicode objects. Add a function PyObject_ReprStr8() that calls PyObject_Repr() and converts the result to an 8bit string. Use PyObject_ReprStr8() where using PyObject_Repr() can't be done straightforward.

--- a/Python/symtable.c	Fri May 18 17:04:42 2007 +0000
+++ b/Python/symtable.c	Fri May 18 17:15:44 2007 +0000
@@ -94,7 +94,7 @@
 		      "<symtable entry %.100s(%ld), line %d>",
 		      PyString_AS_STRING(ste->ste_name),
 		      PyInt_AS_LONG(ste->ste_id), ste->ste_lineno);
-	return PyString_FromString(buf);
+	return PyUnicode_FromString(buf);
 }
 
 static void