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I could not really find anything matching, maysome someone got an idea or a starting point:

I want to maintain a collection of documents written in Kile, Using LaTeX converted by xetex into pdf format. These documents have to be updated from time to time. I required each document to be available in two or three languages.

I do not want to maintain separate source files/collections for the different languages, since this will certainly lead to documents running out of sync. Instead I imagine something like this:

- each token of natural language ("phrase") will be enclosed in a macro
- the macro fetches the translation of the phrase from a local service
- this service could be a script reading translations from a file

Since there are applications suitable to maintain such phrase collections this appears to be a natural approach to me. However, I fail to find a good starting point..

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Found op4a myself: po4a.alioth.debian.org, however this changes the document source which I think is the wrong way to go. –  arkascha Jul 19 '12 at 17:59
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One more related question: Is it possible to use some sort of internationalization in LaTeX? –  Stephan Lehmke Jul 20 '12 at 17:23
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migrated from stackoverflow.com Jul 20 '12 at 16:54

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1 Answer

up vote 4 down vote accepted

Ok, I managed to put together my own solution by trying around and considering examples I found elsewhere. This is what I currently use, near the start of my project. It works fine so far:

%%%%%%%%%%%%%%%
% this is a document holding multiple languages
% switch between ENGLISH and GERMAN by commenting one of the following lines:
\usepackage[ngerman,english]{babel} % makes ENGLISH content
%\usepackage[english,ngerman]{babel} % makes GERMAN content
% this is the macro to define phrases in two languages:
\newcommand{\babel}[2]{\ifnum\pdfstrcmp{\languagename}{english}=0 {#2}\else{#1}\fi}
\newcommand{\babelDE}[1]{\ifnum\pdfstrcmp{\languagename}{ngerman}=0 {#1}\fi}
\newcommand{\babelEN}[1]{\ifnum\pdfstrcmp{\languagename}{english}=0 {#1}\fi}
% example:   \babel{Deutscher Text}{english text}
% example:   \babelDE{deutscher Text}
% example:   \babelEN{english text}
%%%%%%%%%%%%%%%
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