engine/conversion/comparemarkers

Sorts markers so the downcast result is deterministic regardless of the order markers were added to the marker collection.

The sort key is the marker's range, ordered "right-to-left" through the document so that a marker's opening boundary is processed after any markers nested inside it. This way the outer marker wraps the inner ones at conversion time.

Cases (positions shown as 0123456789, sort result top-to-bottom):

1. Non-overlapping ranges — sorted by position, last range first:

   a: [--]               →   c, b, a
   b:     [--]
   c:        [--]
   

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2. Adjacent ranges (end === start) — treated as non-overlapping:

   first:  [---]         →   third, second, first
   second:    [---]
   third:        [---]
   

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3. Nested ranges (same start, different ends) — inner first, outer last:

   shorter: [-]          →   shorter, longer
   longer:  [---]
   

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4. Partially overlapping ranges — sorted by start position:

   earlier: [---]        →   later, earlier
   later:     [---]
   

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5. Identical ranges — fall back to reverse name comparison:

   alpha:   [---]        →   charlie, bravo, alpha
   bravo:   [---]
   charlie: [---]
   

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Parameters

__namedParameters: readonly [ string, ModelRange ]

__namedParameters: readonly [ string, ModelRange ]

Returns

number