Re: enhancement request - make "@" unreserved.

To remind folks, the YAML2 wiki is here: https://github.com/yaml/YAML2/wiki

And YAML2 is a meta project that includes:

* A YAML 2.0 syntax
 (test driven spec)
* Auxillary YAML projects
  * A schema language
  * YPATH query lang

I am motivated (as always) to keep things moving forward.

Trans, in terms of adding new directives, I am more motivated to get
directives out (if possible). YAML docs have never come close to being
semantically self-hosting. There have always been outside forces needed to
define semantics. Put another way, any YAML document (without further
context) can have any meaning. This is a subtle, yet powerful strength of
YAML, even if it feels counter-intuitive at first.

I agree that the reserved chars can be removed for 2.0. Also there are a
ton of other things that can be done to reduce the need for quoting:

  foo: bar: baz

can easily be made to mean {"foo": "bar: baz"}

The block form of scalars, falsely inherited the limitations needed for
flow scalars. IIRC, Oren just wanted to keep the grammar smaller (even
though it is massive).

A project that I have been working on is called Pegex (PEG + regex) parsing
framework that works in most languages so that there can be a single
grammar that supports an equivalent parser in every language. This will
happen in 2014.

Find me on IRC to discuss, and add ideas to the wiki.

Ingy


On Sun, Mar 16, 2014 at 11:17 PM, Trans <[email protected]> wrote:

> Taking the JSON-LD example:
>
> {
>   "@context": {
>     "name": "http://xmlns.com/foaf/0.1/name",
>     "homepage": {
>       "@id": "http://xmlns.com/foaf/0.1/workplaceHomepage",
>       "@type": "@id"
>     },
>     "Person": "http://xmlns.com/foaf/0.1/Person"
>   },
>   "@id": "http://me.markus-lanthaler.com",
>   "@type": "Person",
>   "name": "Markus Lanthaler",
>   "homepage": "http://www.tugraz.at/"}
>
>
> I imagine the YAML would be something like:
>
> %TAG !foaf! http://xmlns.com/foaf/0.1/
>
> --- !foaf!Personname: !foaf!name Markus Lanthalerhomepage: !foaf!workplaceHomepage http://www.tugraz.at/
>
>
> How much sexier is that!? Note, the only thing I'm not sure about is the
> @id (me.markus-lanthaler.com). Maybe there is room for a new %ID
> directive?
>
> In the future (though I have already long expected) we'd eventually be
> able to do something like:
>
> %SCHEMA !foaf! http://xmlns.com/foaf/0.1/foaf.yes
>
> --- !foaf!Personname: Markus Lanthalerhomepage: http://www.tugraz.at/
>
>
> The %SCHEMA directive would link to a schema document that defines how the
> structure of the document can determines types, plus extra tags available
> for use, validations and more.
>
>
> trans
>
>
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