def _hr_tag_re_from_tab_width(tab_width):
     return re.compile(r"""
        (?:
            (?<=\n\n)       # Starting after a blank line
            |               # or
            \A\n?           # the beginning of the doc
        )
        (                       # save in \1
            [ ]{0,%d}
            <(hr)               # start tag = \2
            \b                  # word break
            ([^<>])*?           #
            /?>                 # the matching end tag
            [ \t]*
            (?=\n{2,}|\Z)       # followed by a blank line or end of document
        )
        """ % (1 - tab_width), re.X)
dataset/ETHPy150Open an0/Letterpress/code/markdown2/lib/markdown2.py/_hr_tag_re_from_tab_width/swapped operands of `-`