\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{regions}[2016/10/06 v1.2 (NLCT) Sample package to test tracklang.sty]

\RequirePackage{tracklang}[2016/10/07]

\DeclareOption*{\TrackLanguageTag{\CurrentOption}}
\ProcessOptions

\AnyTrackedLanguages
{}
{% fetch locale information from the operating system
  \ifx\TeXOSQueryLangTag\undefined
    \TrackLangFromEnv
  \else
    \TeXOSQueryLangTag{\langtag}
    \TrackLanguageTag{\langtag}
  \fi
}

\newcommand*{\weightunit}{kg}
\newcommand*{\lengthunit}{mm}
\newcommand*{\currencyunit}{}

\newcommand*{\unitname}{units}

\newcommand*{\RequireRegionsDialect}[1]{%
 \TrackLangRequireDialect
    [\TrackLangRequireResource{\CurrentTrackedTag}%
     \TrackLangRequireResource{\CurrentTrackedLanguage}%
    ]%
    {regions}{#1}%
}

\AnyTrackedLanguages
{%
  \ForEachTrackedDialect{\this@dialect}{%
    \RequireRegionsDialect\this@dialect
  }%
}
{% no tracked languages, default already set up
}

\endinput
