[PD] curly braces in Pd
Christof Ressi
info at christofressi.com
Fri Jan 13 21:13:28 CET 2023
> I agree and think we could just let "{" and "}" be supported as
> regular characters
Just for the sake of clarity: "{" and "}" have never been "forbidden" in
Pd message, you just cannot /type /them.*)
Christof
*) Actually, you can already type them in [text] windows.
On 13.01.2023 21:03, Alexandre Torres Porres wrote:
> So, we've been actually discussing this on github and maybe others can
> participate over there, check
> https://github.com/pure-data/pure-data/issues/505
>
> or... maybe we can use this thread instead... :) seems like github
> discussions are always more limited.
>
> The thing in the way now is wether "{" and "}" should be officially
> incorporated with a new syntax, like nested lists. There are arguments
> against as in the last message by christof here and I agree and think
> we could just let "{" and "}" be supported as regular characters and
> that we can expand the usage of dollar signs for expanding Pd's
> syntax, like ${ and $}
>
> And, also, I'd like to point that there are forks of Pd that actually
> already allow "{" and "}"... I can see why one would disregard this,
> but it's something worth noting. You can already do this in PlugData
> and PurrData/Pd-L2ork, and the patches actually work and are already
> compatible to Pd Vanilla.
>
> I also don't see an expansion of the language syntax coming up very
> soon or easily, so just allowing "{" and "}" could be good to at least
> get this issue out of the way, since it's been bugging people for edge
> cases for ages.
>
> What do you people say?
>
> cheers
>
> Em dom., 8 de jan. de 2023 às 16:15, Christof Ressi
> <info at christofressi.com> escreveu:
>
> > the fact that curlies (that is: a pair of matching characters) have
> > been forbidden until now is a unique opportunity.
> Well, they have not been forbidden. You can not *type* them (yet),
> but
> they can appear in text files or in manually assembled symbols. In
> fact,
> they are properly displayed with [print] or list/symbol atoms, which
> suggests that they are already properly escaped when sent to the GUI.
> One could argue that someone who only uses libpd might not even be
> aware
> of this issue.
>
> Curly braces have never been a part of special Pd symbols (semicolon,
> colon, dollar), so I'm sceptical that we can just give them some
> meaning. It would break lots of existing code that uses symbols with
> curly braces. For example, it would completely break the
> "purest_json"
> library.
>
> However, we could use *escaped* curly braces. The escape sequences
> "\{"
> and "\}" are not defined, so we might use those for nested lists. I'm
> not saying it's pretty, though.
>
> ---
>
> Anyway, it's a bit silly that we still can't type curly braces, given
> how important they are for many use cases. I mean, I cannot even
> type a
> JSON string...
>
> Christof
>
>
>
>
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