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ROB: Handle a TD operator with a missing or non-numeric ty - #4233
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stefan6419846 merged 1 commit intoOct 21, 2026
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #4233 +/- ##
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Coverage 98.19% 98.19%
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Branches 2228 2229 +1
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* ROB: Tolerate extra operands before Tm/cm in layout mode A matrix operator consumes the 6 operands nearest to it; values left on the operand stack before those (malformed content streams) overflowed TextStateManager.new_transform() and raised TypeError in layout mode text extraction. Complete the matrix with only the last 6 operands in _complete_matrix and add_cm, mirroring the tolerance already in place for missing/non-numeric TD and Tz operands (#4232, #4233). Fixes #4283 Co-authored-by: rahul05ranjan <[email protected]> * Add layout-mode tests for extra operands before Tm/cm Co-authored-by: rahul05ranjan <[email protected]> --------- Co-authored-by: rahul05ranjan <[email protected]>
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* ROB: Tolerate extra operands before Tm/cm in layout mode A matrix operator consumes the 6 operands nearest to it; values left on the operand stack before those (malformed content streams) overflowed TextStateManager.new_transform() and raised TypeError in layout mode text extraction. Complete the matrix with only the last 6 operands in _complete_matrix and add_cm, mirroring the tolerance already in place for missing/non-numeric TD and Tz operands (#4232, #4233). Fixes #4283 Co-authored-by: rahul05ranjan <[email protected]> * Fix set_page_label TypeError when start=None The start parameter is annotated Optional[int] and its validation accepts None as "not set", but _set_page_label used , which treats None as a value to write and crashes in NumberObject. Only write /St when a concrete non-zero start was provided. Fixes #4285 Co-authored-by: rahul05ranjan <[email protected]> * Add tests for set_page_label with start=None Co-authored-by: rahul05ranjan <[email protected]> * Update tests/test_writer.py * Update tests/test_writer.py --------- Co-authored-by: rahul05ranjan <[email protected]> Co-authored-by: Stefan <[email protected]>
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A
TDoperator sets the leading to-tybefore moving likeTd. With a name asty(/X /Y TD), negating it raisedTypeError: bad operand type for unary -in both plain and layout mode, and in layout mode aTDwith one operand or none raisedIndexError.The leading is now only set when
tyis a number; otherwise it is left unchanged, like a non-numericTL, and the translation is handled as forTd. A validTDbehaves as before (covered bytest_layout_mode_uncommon_operators).