Itpl now does not croak on unicode in 'live' template parts -> non-ascii prompts allowed. Closes #168

IPython/Itpl.py

@@ -44,7 +44,7 b' each time the instance is evaluated with str(instance). For example:'
     foo = "bar"
     print str(s)
 
-$Id: Itpl.py 958 2005-12-27 23:17:51Z fperez $
+$Id: Itpl.py 2918 2007-12-31 14:34:47Z vivainio $
 """                   # ' -> close an open quote for stupid emacs
 
 #*****************************************************************************
@@ -104,7 +104,7 b' class Itpl:'
     evaluation and substitution happens in the namespace of the
     caller when str(instance) is called."""
 
-    def __init__(self, format,codec='utf_8',encoding_errors='backslashreplace'):
+    def __init__(self, format,codec=sys.stdin.encoding,encoding_errors='backslashreplace'):
         """The single mandatory argument to this constructor is a format
         string.
 
@@ -198,7 +198,13 b' class Itpl:'
         result = []
         app = result.append
         for live, chunk in self.chunks:
-            if live: app(str(eval(chunk,glob,loc)))
+            if live:
+                val = eval(chunk,glob,loc)
+                try:
+                    app(str(val))
+                except UnicodeEncodeError:
+                    app(unicode(val))
+                
             else: app(chunk)
         out = ''.join(result)
         try: