Development work on G2 is done. No new major releases of G2 will happen. I'd suggestion taking a look at G3 (in beta right now) and helping out there. Working on translations for G3 is also much easier.
But if you do want to continue using G2 and working on translation work there, look at the link I posted above, that will help get you started.
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Like Gallery? Like the support? Donate now!!! See G2 live here
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Did you download the full all language install from here:
http://codex.gallery2.org/Gallery2:Download#Packages
Looks like Hebrew has already been translated, I don't know how complete that is though.
http://codex.gallery2.org/Gallery2:Localization
Development work on G2 is done. No new major releases of G2 will happen. I'd suggestion taking a look at G3 (in beta right now) and helping out there. Working on translations for G3 is also much easier.
But if you do want to continue using G2 and working on translation work there, look at the link I posted above, that will help get you started.
____________________________________________
Like Gallery? Like the support? Donate now!!! See G2 live here