def headerlines(bigstring):
    bigstring = unfold(bigstring)
    for line in bigstring.split(CRLF):
        yield line
Parse a diff-index entry into an IndexEntry object.  Each input entry
dataset/ETHPy150Open kdart/pycopia/core/pycopia/inet/ABNF.py/headerlines--crossover with--dataset/ETHPy150Open divmain/GitSavvy/core/git_mixins/status.py/StatusMixin._get_indexed_entry