>I don't think raw order is acceptable.
>
Agreed - never use raw order since it means nothing.

You should either use "reading order" (top->bottom, left->right (or RTL, 
depending)) as computed through geometric sorting - which is what the current 
code does, at least to some extent.

The difference with Acrobat/Reader is that we use additional heuristics to 
offer smarter selection semantics for columnar data, vertical text, and other 
such things.


Leonard

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