Try to construct a nicely-formatted string for a list of matcher
    objects. Those may be compiled regular expressions or strings...

def prettyMatcherList(things):
    """Try to construct a nicely-formatted string for a list of matcher
    objects. Those may be compiled regular expressions or strings..."""
    norm = []
    for x in makeSequence(things):
        if hasattr(x, 'pattern'):
            norm.append(x.pattern)
        else:
            norm.append(x)
    return "('%s')" % "', '".join(norm)