…ixes the other issue in #411.

…, which changes the behavior of GetNumberFormatIndex

… should use merge cell data here to always return some kind of default for cells hidden by merged cells to be consistent across the different file types.

Upload test logs for all assemblies.

…mance a little.

FilterRow progress indicator snippet

…ase there are any format records before the codepage record.

…it key length. #477

…ets to determine its dimensions.

Simplified switch statements in worksheet and workbook a little.

#478

…s: wrong string count, empty continue records, leftover bytes. Fixes #477

…rom xl/worbook.xml. The only two possible values that excel recognises are "true" and "1"

also, pattern matching is more readable than equals "==" aldo this can be easily changed if breaks the project pattern. #649 third solve suggestion

xl/workbook.xml > workbookPr > date1904 attribute

Updated tests to net 8.0
Updated to StyleCop.Analyzers beta556
Updated to Microsoft.SourceLink.GitHub 8.0.0
Fixed some NetAnalyzers violations

Spelling correction on README.md

fix issue 578.

…aReader into develop

Hangs on XLSB file read

… creation and header parsing. Example use would be to combine multiple header rows.

#518 Allow user defined ReadHeader method to control DataTable column…

…aReader into develop

fix-date1904Attribute bool parsing possibility appointed on issue #649

…r that has the same number of fields for all rows.

Prefer separator with more fields if there are more than one separato…