This is probably actually a more general question which is : how do I see which packages will be installed when I install a metapackage? In this specific instance I have mostly only found vague descriptions like
Installing this package will pull in support for MP3 playback and decoding, support for various other audio formats (GStreamer plugins), Microsoft fonts, Java runtime environment, Flash plugin, LAME (to create compressed audio files), and DVD playback.
from http://packages.ubuntu.com/lucid/ubuntu-restricted-extras
apt-get install ubuntu-restricted-extras
tells me that I am installing one package: ubuntu-restricted-extras.
Especially in this case, I'd like to know what I'm putting on my computer and what agreements I am tacitly agreeing to by doing so. I'd also sort of like to know what the difference between the various *ubuntu-restricted-extras packages are.
Best Answer
The ubuntu-restricted-extras has the following:
Due to the legal status of the software included in ubuntu-restricted-extras, the package is not included by default in Ubuntu.
You may also take a look at Ubuntu Packages