New calculator function, as tested by yano and jasondavies!

web.py

@@ -5,7 +5,8 @@ Author: Sean B. Palmer, inamidst.com
 About: http://inamidst.com/phenny/
 """
 
-import urllib
+import re, urllib
+from htmlentitydefs import name2codepoint
 
 class Grab(urllib.URLopener): 
    def __init__(self, *args): 
@@ -40,5 +41,20 @@ def post(uri, query):
    u.close()
    return bytes
 
+r_entity = re.compile(r'&([^;\s]+);')
+
+def entity(match): 
+   value = match.group(1).lower()
+   if value.startswith('#x'): 
+      return unichr(int(value[2:], 16))
+   elif value.startswith('#'): 
+      return unichr(int(value[1:]))
+   elif name2codepoint.has_key(value): 
+      return unichr(name2codepoint[value])
+   return '[' + value + ']'
+
+def decode(html): 
+   return r_entity.sub(entity, html)
+
 if __name__=="__main__": 
    main()