\sideset (from amsmath package) is only designed to add sub/supercripts on both sides of big operators like \sum. The fact that it breaks in other situations could be see as an amsmath bug. Of course, LyX could have a UI to avoid that, but it is difficult to imagine which one.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1600661 Title: Simple document doesn't compile: "Limit controls must follow a math operator" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lyx/+bug/1600661/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
