[mfcembed]
@topsrcdir@/xpinstall/packager/win_mfcembed/runapp.bat dist/bin/runapp.bat
[mfcembed-xpi]
!preprocess xpiroot/install.js -E -Fsubstitution @topsrcdir@/xpinstall/packager/common/share.t @topsrcdir@/xpinstall/packager/win_mfcembed/mfcembed.jst