QEMU Docset is a docset for DashApp or ZealDocs
Install by opening Dash.app > preferences, switch to Downloads, open User Contributed, and search for "QEMU".
Install by opening Zeal > docsets > add feed: copy & paste: https://zealusercontributions.now.sh/api/docsets/QEMU.xml or https://zealusercontributions.herokuapp.com/api/docsets/QEMU.xml