Created attachment 100338 [details] Example of bug Allow blank cells selected, as shown on page 51 in LibreOffice 4.1 Calc guide, does not allow to input a blank cell from a selected cell range that consists a blank cell. In this attached example the Tools > Detective > Mark invalid Data, does not have any action on tis problem.
Thank you for this bug report. Reproducible since at least LO 4.0.6 under Ubuntu 14.04 x86-64 Best regards. JBF
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Still reproducible with LO 5.0.1.0+ built at home under Ubuntu 15.04 x86-64. Note: works if, instead of using a empty cell, the blank cell contains only a space character. Best regards. JBF
same in LibreOffice 3.3.0
Proposed fix: https://gerrit.libreoffice.org/38124 As a side note, for MSO compatibility, if a blank is the last entry (for example, if an entire column is chosen for validation, but even if a very specific range includes an empty cell as the last cell), then it shouldn't be added to the list. Currently, LO does add a blank entry at the end of the combobox list. I'm not proposing to make that change, but just making a note of it. The UI team would need to decide whether that is an "error" affecting all of LO, or simply a compatibility issue (which would complicate things a bit). Certainly it could become someone's "regression" in .ods.
Created attachment 133888 [details] patch that prevents the last entry from being a blank unless explicity selected. (In reply to Justin L from comment #5) > I'm not proposing to make that change, but just making a note of it.
Justin Luth committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/core/commit/?id=cb444c17ca2834e53a9c5c797bae765f08e40101 tdf#79571 sc FilterSelect: accept empty strings It will be available in 5.5.0. The patch should be included in the daily builds available at http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: http://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Xisco Fauli committed a patch related to this issue. It has been pushed to "master": https://git.libreoffice.org/core/commit/5c18849cc682a88c4d341fe4c12a69332140a367 tdf#79571, tdf#151794, tdf#153622: sc: Add UItest It will be available in 7.6.0. The patch should be included in the daily builds available at https://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: https://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.