rtmsc.sty

\ProvidesPackage{rtmsc}[2010/03/24 rtmsc Style v. 0.02a]
\NeedsTeXFormat{LaTeX2e}

% Some suff that must be declared
\DeclareOption{noextras}{%
  % Nothing to do here.
}

%%% Note: It is too dangerous to have a default value for the encoding, so we
%%% must detect if the user fails to select it explicitly.
\newif\ifrtmsc@InputEncUTFUnspecified
\rtmsc@InputEncUTFUnspecifiedtrue
\newif\ifrtmsc@InputEncUTF
\DeclareOption{latin1}{\rtmsc@InputEncUTFfalse\rtmsc@InputEncUTFUnspecifiedfalse}
\DeclareOption{utf8}{\rtmsc@InputEncUTFtrue\rtmsc@InputEncUTFUnspecifiedfalse}

\ProcessOptions\relax

\ifrtmsc@InputEncUTFUnspecified
\PackageError{rtmsc}{%
  One of the options `latin1' and `utf8' must\MessageBreak
  be given to select the character encoding\MessageBreak
  of the loaded captions%
}{%
  One of the options `latin1' and `utf8' must\MessageBreak
  be given to select the character encoding\MessageBreak
  of the loaded captions%
}
\fi

\ifrtmsc@InputEncUTF
\RequirePackage{rtmsc-defs-utf8}%
\else
\RequirePackage{rtmsc-defs}%
\fi