Re: [Yaml-core] Re: s-separate-spaces(n,c)

[Clark C. E. <cc...@cl...>]

Just musing.  Consider ` used to mark a space,

---
`-
``
...

In this case, the production immediately after the '-' isq
n-l-block-seq-node, which has a s-separate-spaces, followed by (an
ultimately optional) ns-flow-node, followed by a s-b-separated-comment.
So. s-separate-spaces matches since s-b-separated-comment in this
case is LF, and then the is-indentation(n) matches.  In this case
the ns-flow-node is optional (blank plain-scalar reported), followed
by a s-b-separated-comment matching the next LF.  So, this passes.
Let's try...

---
`-

...

In this case, s-b-separate-spaces doesn't match: there are not
any discarded spaces and the indent(1) isn't there.  So, it would
appear to me that n-l-block-seq-node does not match.  Anyway, 
I suppose this works at a higher level, but it is clearly ambiguous.

Clark


On Fri, Sep 24, 2004 at 10:04:58AM -0400, Clark C. Evans wrote:
| The other problem I'm having (implementing) is that the
| specification has a production of the form:
| 
|   A (B C)? D? B?
| 
| So, I get A, no problem.  But when I move onto B, I don't
| know which one it is.  However, in reality, if one has C
| then D isn't optional.  So, perhaps this is just a bug
| production issue...
| 
|  A ((B C D) | D? B?
| 
| That's icky, but I suppose its what's going on.  The
| production D is ns-plain.  Thoughts?
| 
| Clark
| 
| 
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Clark C. Evans                      Prometheus Research, LLC.
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