Re: [PATCH] Interpret #r"..." as a raw string

[Dmitry Gutov]

On 02.03.2021 07:59, Matt Armstrong wrote:
> C++ has probably the most flexible "gold standard" raw string literals.
> As Alan I think rightly points out, this makes the language and all
> tools that process the language more complex.  This is a high cost, so
> the feature should deliver some real value.
>
> For those that don't know, C++'s raw string literals can be as imple as
> this for the string "raw-content":
>
>     R"(raw-content)"
>
> But if the content itself contains the character sequence )" then the
> programmer can specify any delimiter they want:
>
>     R"DELIMITER(raw-content)"more-raw-content)DELIMITER"

Sounds very similar to Ruby's heredocs or "Percent Strings" (and both of 
those have their own extra complexity because of allowed nesting).

Both are supported by ruby-mode with syntax-propertize-function without 
too much trouble.