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NOTE: This assumes IzPack 5.0.0-rc1 is being used with the izpack-maven-plugin.
Background
In IzPack, language packs are identified by a 3 character ISO country or language code. Country codes are converted to lowercase.
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com/izforge/izpack/bin/langpacks/flags/eng.gif
Adding a language pack
To add a country specific variant of the English language pack, e,g. for Australia
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