Replace usage of feedparser for sanitizing html with new HtmlSanitizer module.
HtmlSanitizer prevents from XSS attacks (Fixes issue 606).
"""
Code used in a couple of places to work with the current thread's environment.
Current users include i18n and request prefix handling.
"""
try:
import threading
currentThread = threading.currentThread
except ImportError:
def currentThread():
return "no threading"