gettext: AM_GNU_GETTEXT_VERSION

 
 13.5.2 AM_GNU_GETTEXT_VERSION in ‘gettext.m4’
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    The ‘AM_GNU_GETTEXT_VERSION’ macro declares the version number of the
 GNU gettext infrastructure that is used by the package.
 
    The use of this macro is optional; only the ‘autopoint’ program makes
 use of it (⇒Version Control Issues).