From 7898c3e6852565046a9b8b063d35d66777bf5176 Mon Sep 17 00:00:00 2001
From: Fredrik Lundh <fredrik@pythonware.com>
Date: Mon, 7 Aug 2000 20:59:04 +0000
Subject: -- reset marks if repeat_one tail doesn't match    (this should fix
 Sjoerd's xmllib problem) -- added skip field to INFO header -- changed
 compiler to generate charset INFO header -- changed trace messages to support
 post-mortem analysis

---
 Lib/sre_parse.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'Lib/sre_parse.py')

diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py
index 1c1d0d5d44..16e49b620e 100644
--- a/Lib/sre_parse.py
+++ b/Lib/sre_parse.py
@@ -10,8 +10,6 @@
 
 import string, sys
 
-import _sre
-
 from sre_constants import *
 
 MAXREPEAT = 65535
@@ -232,6 +230,7 @@ def _class_escape(source, escape):
         return code
     try:
         if escape[1:2] == "x":
+            # FIXME: in 2.0, \xNN must have exactly two digits
             while source.next in HEXDIGITS:
                 escape = escape + source.get()
             escape = escape[2:]
@@ -556,12 +555,13 @@ def _parse(source, state):
 
     return subpattern
 
-def parse(str, flags=0):
+def parse(str, flags=0, pattern=None):
     # parse 're' pattern into list of (opcode, argument) tuples
 
     source = Tokenizer(str)
 
-    pattern = Pattern()
+    if pattern is None:
+        pattern = Pattern()
     pattern.flags = flags
 
     p = _parse_sub(source, pattern, 0)
-- 
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