Re: Ektending rainbow-delimiters to colour {}

[carlmarcos]

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Jul 19, 2022, 09:45 by tomas@tuxteam.de:

> On Tue, Jul 19, 2022 at 11:31:48AM +0200, carlmarcos@tutanota.com wrote:
>
>>
>> Jul 19, 2022, 08:39 by tomas@tuxteam.de:
>>
>> > On Tue, Jul 19, 2022 at 10:21:15AM +0200, carlmarcos@tutanota.com wrote:
>> >
>> >>
>> >> Jul 19, 2022, 07:34 by tomas@tuxteam.de:
>> >>
>> >
>> > [...]
>> >
>> >> > Look up the documentation for `skip-syntax-forward'. Then read on
>> >> > syntax classes. Then, be enlightened :)
>> >> >
>> >> >From the help for skip-syntax-forward, if syntax starts with ^, skip 
>> >> >characters whose syntax is not in syntax.
>> >>
>> >
>> > Nearly.
>> >
>> > Dig deeper: what could that "syntax" thing mean? Did you read on syntax
>> > classes in the manual? Does this answer your question?
>> >
>> I have read.  Looks as if emacs has internal functionality to determine 
>> start and end of elisp
>> expressions, which rainbow-delimiters relies of.  It does actually also 
>> follow [], not so for {}.   
>>
>
> Read again:
>
>  The “syntax class” of a character describes its syntactic role.  Each
>  syntax table specifies the syntax class of each character.  There is no
>  necessary relationship between the class of a character in one syntax
>  table and its class in any other table.
>
> So whether { resp } have the syntax class symbolised by ( resp. ) depends
> on how you set up your syntax class table. Major modes set that up to match
> the expectations of the language in question. In theory you could even set
> # . up as opening and closing parentheses whenever it makes sense.
>
> The answer is: Emacs _already does_ what you want.
>
How can I do it exactly?