def p_feature_words(self, p):
        p[0] = ' '.join([p[1], p[2]])
Checks whether the page is already cached and returns the cached version if available.
dataset/ETHPy150Open neurosynth/neurosynth/neurosynth/base/lexparser.py/Parser.p_feature_words--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-0.96/django/middleware/cache.py/CacheMiddleware.process_request