Maintainers for libzlcore-data are Debian QA Group <packages@qa.debian.org>.
You may want to refer to the following packages that are part of the same source: fbreader, libzlcore-dev, libzlcore0.13, libzlcore0.13t64, libzltext-data, libzltext-dev, libzltext0.13, libzltext0.13t64, libzlui-gtk, libzlui-qt4.
You might like to refer to the libzlcore-data package page, to the Package Tracking System, or to the source package src:fbreader's bug page.
If you find a bug not listed here, please report it.