Do not try to translate empty strings in translateObjectKeys().
Do not try to translate empty formation tooltips.
Do not translate player names at a point where they are already
translated.
This was SVN commit r15005.
It includes a marvelous language selection menu developed by Yves.
It also includes the introduction of a sprintf implementation for
JavaScript, as well as
translation helper functions that use JavaScript-side translation
caching.
This patch includes code by Yves, sanderd17, leper and Gallaecio.
Ref #67
This was SVN commit r14954.
