Re: Example 6.23 and 6.24 in YAML 1.2 spec dated 2009-07-21

Osamu TAKEUCHI <[email protected]> Wed, 30 Sep 2009 15:08:54 +0900
Newsgroups	gmane.text.yaml.general
Message-ID	<[email protected]>
Oren,

> On Thu, 2009-09-03 at 04:05 +0900, Osamu TAKEUCHI wrote: 
>> Dear the YAML spec writers,
>>
>> Regarding to the YAML 1.2 spec dated 2009-07-21:
>>
>> I think it is clearer to have separated rules for the block 
>> collection with properties and that without properties.
>> The following is my suggestion.
>>
>> s-l+block-collection(n,c) ::= s-l+block-collection-with-properties(n,c)
>>                             | s-l+block-collection-without-properties(n,c)
>>
>> s-l+block-collection-with-properties(n,c) ::= 
>>              ( s-separate(n+1,c) c-ns-properties(n+1,c) )?
>>              s-l-comments
>>              s-l+block-collection-without-properties(n,c)
>>
>> s-l+block-collection-without-properties(n,c) ::= 
>>                    l+block-sequence(seq-spaces(n,c)) 
>>                  | l+block-mapping(n) 
> 
> That _arguably_ may be better - but at this point we are only fixing
> errors (even if these of omission) and not continuing to re-polish the
> spec. "All good things come to an end; so do the bad things" :-)

Note the following description in Chapt. 4:

> Optional (?), zero-or-more (*) and one-or-more (+) patterns are 
> always expected to match as much of the input as possible. 

If you think the current spec accepts the example 6.23 and 6.24,
please clarify how.

For me, some correction seems necessary.

Best,
Osamu TAKEUCHI

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