Maintainers for cantor-backend-r are Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>.
You may want to refer to the following packages that are part of the same source: cantor, cantor-backend-julia, cantor-backend-kalgebra, cantor-backend-lua, cantor-backend-maxima, cantor-backend-octave, cantor-backend-python2, cantor-backend-python3, cantor-backend-qalculate, cantor-backend-sage, cantor-backend-scilab, libcantor-dev, libcantor-pythonbackend, libcantorlibs-data, libcantorlibs28, libcantorlibs28abi1, libcantorlibs28abi1t64.
You might like to refer to the cantor-backend-r package page, to the Package Tracking System, or to the source package src:cantor's bug page.
If you find a bug not listed here, please report it.