Kohei Yoshida committed a patch related to this issue. It has been pushed to "master":
http://cgit.freedesktop.org/libreoffice/core/commit/?id=5fab47ddbe332a150fb2005e941a2c19bd38ce7f fdo#75397: Return an empty string for empty element. 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. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1273659 Title: Performing {SUM(Len(B7:B11))} against empty cells produces a non-zero result To manage notifications about this bug go to: https://bugs.launchpad.net/df-libreoffice/+bug/1273659/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs