'All commands are handled in the same way regarding these options.'

def _common_arg_prep(self, arg):

    new_arg = arg
    new_arg['inputs'].append({'<slug>': self.filename})
    if hasattr(self, 'focus_selector'):
        new_arg['focus'] = {}
        new_arg['focus']['selector'] = self.focus_selector
        new_arg['notes'] = (re.sub('\\s', '\\s', self.focus_annotation) if hasattr(self, 'focus_annotation') else '')
    new_arg['registered'] = self.options['registered']
    return new_arg
