en_US is not included in this repository as it is part of the core project, Do not include an en_US, if you see a typo or misspelling please notify me via IRC. You can pull the latest en_US.properties from the most recent releases in the /mods/appeng/lang/ folder.
Files must be encoded as UTF-8.
All Text and Translations submitted here can be used for any purpose, and may be re-distributed or used without any limitations.
You can provide any additional languages by adding the specified language.properties file and adding that file to the lang.list.
The most current english text will be provided by me ( AlgorithmX2 ) which will not be included in this Repo; Anyone else can feel free to post pull requests to update any non-english language files to keep them current and accurate. If you have questions, I'm available on IRC on the #AppliedEnergistics Channel.