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RedBearAKandClaude Fable 5.1
0b7deaa3d8
`parse_streaming` counts every element it attaches to a parent against MAX_XML_NODES, but the cells of a worksheet are attached to their `row` while the row is open, and the row is then handed to the callback and dropped. So the count grew with every cell of a sheet although the tree never held more than one row, and a workbook with a sheet of about one million ordinary cells (12,274 rows by 103 columns) was reported damaged after 6,310 rows since #2413. Shared strings, streamed by `si`, had the same exposure: a table of about a million plain strings, or fewer rich-text ones. The count now returns to its value at the start of a split element when that element is handed out, so a streamed part of any size passes while a part that keeps a million elements in its tree is still refused. Regression test: 5,001 streamed rows of 100 cells are read whole; the same part kept in a tree is refused. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>