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Showing content from https://mail.python.org/pipermail/python-dev/2000-June/005198.html below:

[Python-Dev] SRE incompatibility

[Python-Dev] SRE incompatibility [Python-Dev] SRE incompatibilityFredrik Lundh Fredrik Lundh" <effbot@telia.com
Fri, 30 Jun 2000 20:37:16 +0200
tim wrote:
> > to be fully backwards compatible, this means that the compiler
> > should use 8 bits, no matter what string type you're using.
...
> I think the real problem here was MAL's generalization of \x to 2-byte =
stuff
> in Unicode strings.  If Unicode strings *have* to support \x, then
>=20
>     \x0123456789abcdef
>=20
> in Unicode strings should act like
>=20
>     \u00ef
>=20
> in Unicode strings, and SRE should play along with that too.  \x was =
broken
> to begin with; better to wipe it out than try to generalize it.

I think this means that we agree -- \x is a wart that can only
be used to embed *binary bytes* in a string.

</F>




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