Maintainers for libmagick++-dev are ImageMagick Packaging Team <pkg-gmagick-im-team@lists.alioth.debian.org>.
You may want to refer to the following packages that are part of the same source: imagemagick, imagemagick-6-common, imagemagick-6-doc, imagemagick-6.q16, imagemagick-6.q16hdri, imagemagick-common, imagemagick-doc, libimage-magick-perl, libimage-magick-q16-perl, libimage-magick-q16hdri-perl, libmagick++-6-headers, libmagick++-6.q16-8, libmagick++-6.q16-9t64, libmagick++-6.q16-dev, libmagick++-6.q16hdri-8, libmagick++-6.q16hdri-9t64, libmagick++-6.q16hdri-dev, libmagickcore-6-arch-config, libmagickcore-6-headers, libmagickcore-6.q16-6, libmagickcore-6.q16-6-extra, libmagickcore-6.q16-7-extra, libmagickcore-6.q16-7t64, libmagickcore-6.q16-dev, libmagickcore-6.q16hdri-6, libmagickcore-6.q16hdri-6-extra, libmagickcore-6.q16hdri-7-extra, libmagickcore-6.q16hdri-7t64, libmagickcore-6.q16hdri-dev, libmagickcore-dev, libmagickwand-6-headers, libmagickwand-6.q16-6, libmagickwand-6.q16-7t64, libmagickwand-6.q16-dev, libmagickwand-6.q16hdri-6, libmagickwand-6.q16hdri-7t64, libmagickwand-6.q16hdri-dev, libmagickwand-dev, perlmagick.
You might like to refer to the libmagick++-dev package page, to the Package Tracking System, or to the source package src:imagemagick's bug page.
If you find a bug not listed here, please report it.