jeuclid-mathviewer-3.1.9-alt1_2jpp6.noarch	freedesktop-desktop	info	desktop-file-validate utility printed the following message(s): /usr/share/applications/jeuclid-mathviewer.desktop: hint: value "Graphics;Math;Science;" for key "Categories" in group "Desktop Entry" contains more than one main category; application might appear more than once in the application menu;