Re: : in the flow context for PyYAML and SnakeYAML

Kirill Simonov wrote:

>>> A lot? Other than Javascript eval(), I'm not aware of any parser library
>>> that could parse it.  Python's standard json.py module certainly cannot
>>> do it.  Could you name some of the parsers, please?
>> libyaml!
> 
> And that's it?  Hardly a lot.

Well the obvious thing is that javascript syntax does not require it.

A JSON derivative called Rison does not require it either and strips 
quotes from keys on output. That was found 5 entries down on the first 
page of a Google search. I'm sure there are more.

Also found a lot of bitching about parsers that require the quotes.


>> A quick check shows that libyaml already accepts [foo: bar] and
>> interprets it as [{"foo": "bar"}] so this problem already exists and my
>> change would do nothing to make this harder or easier.
> 
> The problem is that according to your proposal, this should be 
> interpreted as ["foo: bar"] instead.

I would certainly consider that a much better result than what YAML is 
doing right now! Although throwing a parse error might be ok as well. 
The current behavior is bizzare and certainly unexpected!

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