def prefix_encode_all(ls):
    
    last = u''
    for w in ls:
        i = first_diff(last, w)
        yield chr(i) + w[i:].encode("utf8")
        last = w
Return the compiler option to add 'dir' to the list of
dataset/ETHPy150Open tallstreet/Whoosh-AppEngine/src/whoosh/util.py/prefix_encode_all--crossover with--dataset/ETHPy150Open ofermend/medicare-demo/socialite/jython/Lib/distutils/mwerkscompiler.py/MWerksCompiler.runtime_library_dir_option