Thanks for confirmation and also many thanks for all the great work done so far for VLC
I have to say that MXF playback (even if it's not fully working) makes it a great tool.
I've discovered that if you have a subtitle in the ass format that includes also a style description (font, size and color, etc) VLC does not overide the sytles with your settings, but keeps the ass settings. Not usefull if you want for example to make the font larger. Tested on mac and win with vlc...