262         #      p0    p1        q0    q1

   262         #      p0    p1        q0    q1

   263         q0 = -1

   263         q0 = -1

   264         q1 = rs.find(b'<', p1 + 1)

   264         q1 = rs.find(b'<', p1 + 1)

   265         if q1 < 0:

   265         if q1 < 0:

   266             q1 = len(rs)

   266             q1 = len(rs)

   267         elif q1 > p1 + 1 and rs.startswith(b'=', q1 - 1):

   270         elif q1 > p1 + 1 and rs.startswith(b'=', q1 - 1):

   268             # backtrack for ' field=<'

   272             # backtrack for ' field=<'

   269             q0 = rs.rfind(b' ', p1 + 1, q1 - 1)

   273             q0 = rs.rfind(b' ', p1 + 1, q1 - 1)

   270         if q0 < 0:

   274         if q0 < 0:

   271             q0 = q1

   275             q0 = q1

   272         else:

   276         else:

   690 def escapestr(s):

   694 def escapestr(s):

   691     if isinstance(s, memoryview):

   695     if isinstance(s, memoryview):

   692         s = bytes(s)

   696         s = bytes(s)

   693     # call underlying function of s.encode('string_escape') directly for

   697     # call underlying function of s.encode('string_escape') directly for

   694     # Python 3 compatibility

   698     # Python 3 compatibility

   696 

   700 

   697 

   701 

   698 def unescapestr(s):

   702 def unescapestr(s):

   700 

   704 

   701 

   705 

   702 def forcebytestr(obj):

   706 def forcebytestr(obj):

   703     """Portably format an arbitrary object (e.g. exception) into a byte

   707     """Portably format an arbitrary object (e.g. exception) into a byte

   704     string."""

   708     string."""