Re: Escape syntax in docstrings

[Andreas Schwab]

On Mär 28 2023, Robert Pluim wrote:

>>>>>> On Thu, 23 Mar 2023 23:02:08 +0100, Mattias Engdegård 
>>>>>> <mattias.engdegard@gmail.com> said:
>
>     Mattias> (That Emacs doesn't reject undefined character escape sequences 
> such
>     Mattias> as "\y" is not only a constant source of bugs, it also makes it
>     Mattias> difficult for us to add new escape sequences without worrying 
> about
>     Mattias> breaking some (misguided) code. Almost every other language 
> complain
>     Mattias> about this.)
>
> How strict do you want to be? Emacsʼ own source code has some decidely
> non-supported escape sequences, especially when specifying characters
> using the `?\c' syntax.

The elisp manual is explicit that a redundant backslash in ?\c is
ignored, and even recommends its use to avoid confusion in some cases.

-- 
Andreas Schwab, SUSE Labs, schwab@suse.de
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