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bug#33940: 27.0.50; ?\^c syntax confuses scanning

From: Andreas Schwab
Subject: bug#33940: 27.0.50; ?\^c syntax confuses scanning
Date: Wed, 02 Jan 2019 10:49:54 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1.90 (gnu/linux)

On Jan 02 2019, Michael Heerdegen <address@hidden> wrote:

> BTW, do you know whether the original "?\^]" is considered correct read
> syntax?  Does the reader only accept it by accident, or should
> `scan-sexps' also be able to handle it?

It's as valid as `?]', which has the same problem wrt scan-sexps.
That's why prin1-char adds redundant backslashes.


Andreas Schwab, address@hidden
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