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+## i18n module xgettext
+
+There is a new `xgettext` function in `i18n` module that acts as a
+wrapper around `xgettext`. It allows to extract strings to translate from
+source files.
+
+This function is convenient, because:
+- It can find the sources files from a build target;
+- It will use an intermediate file when the number of source files is too
+ big to be handled directly from the command line;
+- It is able to get strings to translate from the dependencies of the given
+ targets.