On 5/24/07, Ian Kelly <[EMAIL PROTECTED]> wrote:
I'm not sure that I see the problem.  The clause is definitional, not
procedural.  Would it help if "considered" were replaced with
"conceptually organized"?

It would help eliminate some ambiguity.  I suggest something like the
following.

     (3) The units of a document form an ordered tree with the order
         determined as follows.  Each unit has a level, which is the
         number of spaces preceding the first non-space character on
         the first line of the unit.  The root is an empty unit with
         level zero which nominally appears at the beginning of the
         document.  A barrier between two units is a unit appearing
         between those units which has level no greater than that of
         the unit appearing first.  One unit is a descendant of
         another unit if it appears after the latter, has strictly
         greater level, and is not separated from the latter by a
         barrier.

This expresses the fact that given a total order O and a function r of
O into the natural numbers, there is a natural way to partially order
the elements of O as a tree whose (gappy) grading is given by r, which
seems to be what the various versions of (d) (3) are trying to say.  I
know that what I wrote is wordier than previous versions.  I think it
is somewhat clearer.

I'm not certain that I've captured the exact definition intended,
since I'm not used to a ``section'' being part of a ``paragraph''.

--
C. Maud Image (Michael Slone)
I'm on vacation.  Sorry about that.
               -- root, in agora-discussion

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