def new_string(self, s, subclass=NavigableString):
        navigable = subclass(s)
        navigable.setup()
        return navigable
Returns a shell command that runs all the postbuilds, and removes
dataset/ETHPy150Open socketubs/pyhn/pyhn/lib/bs4_py3/__init__.py/BeautifulSoup.new_string--crossover with--dataset/ETHPy150Open adblockplus/gyp/pylib/gyp/generator/ninja.py/NinjaWriter.GetPostbuildCommand