Quickly, but there may exists some other problems:
i10n.js:
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If italian uses A4 instead of Letter, comment Letter, and uncomment A4
Privacy: it-IT and it instead of en-US and en
Search.xml:
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You can translate the name of the engines, and change some. No obligations
readme.html:
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Really a bad idea to edit it with MS Word.
Use Kompozer or Nvu instead (KompoZer is better)
kml files:
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the lines must be like this:
english string=italian string
instead of
italian string=
A+
Mozilla/5.0 (x11; U; Linux x86_64; fr-FR; rv:38.0) Gecko/20100101 Ubuntu/12.04 K-Meleon/76.0
Web:
http://jujuland.pagesperso-orange.fr/
Mail : alain [dot] aupeix [at] wanadoo [dot] fr
Ubuntu 12.04 - Gramps 3.4.9 - Harbour 3.2.0 - Hwgui 2.20-3 - K-Meleon 76.0 rc