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BrianDo35 0f780411d1 craft-xls: read comments, conditional formats, pictures and the AutoFilter range
- Notes with their TxO text, author and visibility.
- CondFmt and CF records (cell value is, formula is), formulas from the bounding
  range's top left cell, and the DXFN as a DifferentialFormat whose unset parts are
  None.
- The drawing group's BLIP store (PNG, JPEG, EMF, WMF with its placeable header,
  DIB as BMP) and each sheet's picture shapes with their client anchors.
- The AutoFilter range from AutoFilterInfo and _FilterDatabase.

From the review of the source PR: picture bytes are shared by the shapes that show
them, pictures, comments and rules are capped per sheet, inflated metafiles share
one allowance, damaged object and CF records are skipped with a warning instead of
failing the read, and CF formulas are relative to the CondFmt's bounding range.
ValidationOperator is now Operator, shared with conditional formats.

Ported from storytold/gridcraft#3457.
2026-11-12 00:36:06 +00:00
..