...

attribute.helptext = This is the first line.\n\
 This is the second line.

You only need to translate the values, not the keys.

File Names

With the exception of a german only roleplaying game, we consider English the default language of the application. That means

...

You need to translate all .properties files found inside the repositories.

Translating a roleplaying plugin

Most of the translation work most likely goes into the roleplaying plugins. We use Bitbucket as a Git repository to store them, so you also need an account here.

There are several repositories for role playing systems:

• Shadowrun 6

• Coriolis (also requires work on YearZeroEngine)

• Space 1889 (also requires work on UbiquityEngine)

• Splittermond (a german only RPG)

• Shadowrun 5 (deprecated, since work on it has stopped years ago)

The layout of the repositories is usually that of several subprojects, each of which has a directory labeled src/main/resources where the language/properties files are located below.