Maintainers for libqwt-doc are Gudjon I. Gudjonsson <gudjon@gudjon.org>.
You may want to refer to the following packages that are part of the same source: libqwt-dev, libqwt-headers, libqwt-qt5-6, libqwt-qt5-6.2, libqwt-qt5-dev, libqwt-qt6-6.2, libqwt-qt6-dev, libqwt6abi1, libqwtmathml-dev, libqwtmathml-qt5-6, libqwtmathml-qt5-dev, libqwtmathml6abi1.
You might like to refer to the libqwt-doc package page, to the Package Tracking System, or to the source package src:qwt's bug page.
If you find a bug not listed here, please report it.