%%--------- relative_sizes.sty ------ latex 209  ONLY -----------
% relative_sizes.sty

% TeXhax Digest    Monday,  February 19, 1990  Volume 90 : Issue 19
% Date: Thu, 1 Feb 90 15:23:02 EST
% From: Bernie Cosell <cosell@WILMA.BBN.COM>
% Subject: Relative font sizing in LaTeX
% Keywords: LaTeX, font sizing
% 
% One continual annoyance to me is that LaTeX does absolute font sizing,
% and so if you have some \newcommand that uses the sizing commands to
% achieve some graphic effect, you'll discover that your chapter heads
% and footnotes and such are pretty screwed up [in a recent case, I
% wanted a fake small-caps-san-serif font, and so I used {\small\sf
% NOWISTHETIME}, which did just what I wanted in the running text, but
% was an unmitigated disaster in the chapter heads].  I think that the
% following is a significant improvement: \smaller and \larger changes
% the point size *relatively* by one slot, and so I made my definition:
% {\smaller\sf NOWISTHETIME}, and it all magically works.

% Modified by George V. Reilly (gvr@cs.brown.edu) to handle non-Roman font
% families correctly, so that this really does work usefully in titles, etc.

% Example: Add the following two lines to your preamble:
% 
% 	\def\pCHORUS/MiX{C{\smaller\smaller HORUS}/{\smaller MiX}}
% 	\def\CHORUS/MiX{\protect\pCHORUS/MiX}
% 
% and you can now use \CHORUS/MiX like this:
% 
% 	\section{Is \CHORUS/MiX\ the way to go?}
% 
% 	And now we discuss \CHORUS/MiX, a wonderful new thing indeed.
% 
% The two-step definition of \CHORUS/MiX using \protect is
% necessary if you want it to work in commands like \section.

\def\smaller{%
    \count255=\fam%
    \ifx\@currsize\Huge \protect\huge \else
       \ifx\@currsize\huge \protect\LARGE \else
          \ifx\@currsize\LARGE \protect\Large \else
             \ifx\@currsize\Large \protect\large \else
                \ifx\@currsize\large \protect\normalsize \else
                   \ifx\@currsize\normalsize \protect\small \else
                      \ifx\@currsize\small \protect\footnotesize \else
                         \ifx\@currsize\footnotesize \protect\scriptsize \else
                            \protect\tiny
    \fi\fi\fi\fi\fi\fi\fi\fi%
    \ifnum\count255=\itfam \protect\it \else
       \ifnum\count255=\slfam \protect\sl \else
          \ifnum\count255=\bffam \protect\bf \else
             \ifnum\count255=\ttfam \protect\tt \else
                \ifnum\count255=\sffam \protect\sf \else
                   \ifnum\count255=\scfam \protect\sc
    \fi\fi\fi\fi\fi\fi%
}

\def\larger{%
    \count255=\fam%
    \ifx\@currsize\tiny \protect\scriptsize \else
       \ifx\@currsize\scriptsize \protect\footnotesize \else
          \ifx\@currsize\footnotesize \protect\small \else
             \ifx\@currsize\small \protect\normalsize \else
                \ifx\@currsize\normalsize \protect\large \else
                   \ifx\@currsize\large \protect\Large \else
                      \ifx\@currsize\Large \protect\LARGE \else
                         \ifx\@currsize\LARGE \protect\huge \else
                            \protect\Huge
    \fi\fi\fi\fi\fi\fi\fi\fi%
    \ifnum\count255=\itfam \protect\it \else
       \ifnum\count255=\slfam \protect\sl \else
          \ifnum\count255=\bffam \protect\bf \else
             \ifnum\count255=\ttfam \protect\tt \else
                \ifnum\count255=\sffam \protect\sf \else
                   \ifnum\count255=\scfam \protect\sc
    \fi\fi\fi\fi\fi\fi%
}

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