They are very useful, for example, under gnome when resizing desktop icons Attached ebuild.diff installs all icons but 20x20 (seems not common) at /usr/share/icons/hicolor, then, is needed to use gnome2-utils.eclass for updating icon cache, but this is not a problem because it doesn't add any new dep Thanks a lot Reproducible: Always
Created attachment 165404 [details] acroread.ebuild.diff
Thanks Pacho, I've committed a slightly modified version of your patch with acroread-8.1.3.