palemoon-dev/palemoon/branding/unofficial/browser.desktop

[Desktop Entry]
Name=Browser
GenericName=Web Browser
Comment=Browse the World Wide Web
Exec=palemoon %u
Terminal=false
Type=Application
Icon=palemoon
Categories=Network;WebBrowser;
MimeType=text/html;text/xml;application/xhtml+xml;application/vnd.mozilla.xul+xml;text/mml;x-scheme-handler/http;x-scheme-handler/https;x-scheme-handler/ftp;
StartupNotify=false
Actions=NewTab;NewWindow;NewPrivateWindow;
StartupWMClass="browser"

[Desktop Action NewTab]
Name=Open new tab
Exec=palemoon -new-tab

[Desktop Action NewWindow]
Name=Open new window
Exec=palemoon -new-window

[Desktop Action NewPrivateWindow]
Name=New private window
Exec=palemoon -private-window