The simplest is to let the robot do the checking for you, as the turnaround should be quick. Of course, you need Perl5. A few translators expressed the need of knowing exactly what is going on in many specific cases. In the following lists, the number in parentheses following a package name tells how many programs this package installs. The following packages are fully internationalised, yet still in pretest.
Some packages are almost ready for internationalisation.
However, they do not include gettext in their distribution. The installer has to grab the gettext distribution and install it separately, prior to executing gettextize on the distribution, prior to configuring it. In a word, you have to stir a little bit. However, just a month ago, flex-2.5.3 has been released and it is not internationalized. This is a complex case.