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bug#23130: 25.1.50; `C-h f' etc.: escaping in symbol names


From: Andreas Schwab
Subject: bug#23130: 25.1.50; `C-h f' etc.: escaping in symbol names
Date: Tue, 08 Feb 2022 10:41:42 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux)

On Feb 08 2022, Lars Ingebrigtsen wrote:

> Andreas Schwab <schwab@linux-m68k.org> writes:
>
>>> Why is `prin1' quoting the "." anyway?  It's not a special character for
>>> the Lisp reader, is it?
>>
>> The following characters are always escaped in a symbol:
>>
>>              if (c == '\"' || c == '\\' || c == '\''
>>                  || c == ';' || c == '#' || c == '(' || c == ')'
>>                  || c == ',' || c == '.' || c == '`'
>>                  || c == '[' || c == ']' || c == '?' || c <= 040
>>                  || c == NO_BREAK_SPACE
>
> But why "."?

Because it is special to the reader.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
"And now for something completely different."





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