Issue #1700, reported by Nguyen Quan Son, fix by Fredruk Lundh:
Regular Expression inline flags not handled correctly for some unicode
characters.  (Forward port from 2.5.2.)
diff --git a/Misc/NEWS b/Misc/NEWS
index 50fecb7..3e3f074 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -348,6 +348,9 @@
 Library
 -------
 
+- Issue #1700: Regular expression inline flags incorrectly handle certain
+  unicode characters.
+
 - Issue #1689: PEP 3141, numeric abstract base classes.
 
 - Tk issue #1851526: Return results from Python callbacks to Tcl as