For each bug added, please add a short comment describing the limitation. This can often be the Summary line, if it's descriptive enough e.g. "bug 12345 - Can't save foobar-encoded video to DOC file"
Bug 75167 - Tools | Options | LibreOffice Calc | Calculate | Enable Regular Expressions in formulas setting not saved LIMITATION: Calc does not save Regular Expression settings in a format of spreadsheet that is incompatible with Excel (Excel does not support Regular Expressions).
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