Order for !addincludedir and !addplugindir
Which order is used when using !addincludedir or !addplugindir?
The documentation says NSIS include dir is initial value of include dir list. Is it first always?
I suggest addincludedir/addplugindir should make it possible to override nsis own directories so one can use patched versions of files that are delivered together with nsis without modifiying NSIS installation directory.