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oleibman
0d236eb274
Fix #1275, which had been closed as stale, and is now reopened pending the implementation of this PR. If there is a page break inside a defined print area, Excel may not render the print correctly unless the xml `brk` tag contains a `max` attribute. Libre Office renders it correctly. This seems like a bug in Excel (https://learn.microsoft.com/en-us/openspecs/office_standards/ms-oe376/b32ae11b-dee7-4dcb-9b46-a0feb32ce94f states that Office ignores min and max). PR #3345 (issue #3143) already addressed this problem by allowing the user to explicitly specify a `max` property in the PageBreak object. This PR eliminates the need for the user to make use of that kludge, by adding `max` to the xml whenever a page break is specified on a sheet with a defined print area. Xlsx Reader will now ignore the `max` attribute for row breaks, since it is no longer needed; it already ignores it for column breaks. The user may still set the `max` property if desired, just in case the new treatment is not adequate (I have not found a case where that is true). Two existing unit tests are very marginally changed because of this PR.