Enable level editor support

Packages describing “editor” as local USE flag

Package “editor” Flag Description
games-action/dxx-rebirth Enable level editor support
games-arcade/bomns enables building the level editor
dev-libs/weston Install wayland-editor example application
games-strategy/0ad Include Atlas scenario editor projects
games-strategy/ja2-stracciatella Adds necessary file to run the editor
games-strategy/megaglest Build map editor
net-proxy/privoxy Enable the web-based actions file editor
kde-apps/kalzium Enable the embedded molecule editor/viewer

All packages providing a “editor” USE flag (7)