https://bz.apache.org/bugzilla/show_bug.cgi?id=63708
Bug ID: 63708
Summary: Treat Window2 record as optional
Product: POI
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P2
Component: HSSF
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Context including sample code and a test file:
https://github.com/SheetJS/js-xlsx/issues/1612
The Window2 situation is unclear:
- Excel accepts files without Window2 records
- The [official Binary File Format
Validator](https://www.microsoft.com/en-us/download/details.aspx?id=26794)
accepts files without Window2 records
- The [official
specification](https://docs.microsoft.com/en-us/openspecs/office_file_formats/ms-xls/a1b3d8b4-7442-41fd-9c57-bbd2a6394082)
claims it is required.
The issue here is that we write files without the Window2 record, based on the
fact that Excel and the BFFValidator program both accept them without error.
However Apache POI is apparently erroring. Since Excel does not require it and
since the official validator does not require it, the Window2 record should
probably be treated as optional
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