<html><head><meta name="color-scheme" content="light dark"></head><body><pre style="word-wrap: break-word; white-space: pre-wrap;">% cmolddig.sty -- a LaTeX package file to use CM oldstyle digits.
%
% Copyright 1998 Rowland McDonnell
% rowland.mcdonnell@physics.org
%
% This program can redistributed and/or modified under the terms
% of the LaTeX Project Public License Distributed from CTAN
% archives in directory macros/latex/base/lppl.txt; either
% version 1 of the License, or (at your option) any later version.
%
% Partly stolen from Allin Cottrell (cottrell@wfu.edu)
% http://www.wfu.edu/~cottrell
%
% In conjuction with the files listed below, this package file gives 
% you old style figures in cmr by default.
%
% The cm founts do not have any italic or slanted old style figures, 
% so you only get them with:
% cmr/m/n, cmr/m/sc, cmr/bx/n, and cmr/b/n. 
%
% ot1cmrod.fd
% cmbj10.vf    cmbj10.tfm  
% cmbxj10.vf   cmbxj10.tfm 
% cmbxj12.vf   cmbxj12.tfm 
% cmbxj5.vf    cmbxj5.tfm  
% cmbxj6.vf    cmbxj6.tfm  
% cmbxj7.vf    cmbxj7.tfm  
% cmbxj8.vf    cmbxj8.tfm  
% cmbxj9.vf    cmbxj9.tfm  
% cmcscj10.vf  cmcscj10.tfm
% cmcscj9.vf   cmcscj9.tfm - optional extra for those with the AMS founts
% cmcscj8.vf   cmcscj8.tfm - optional extra for those with the AMS founts
% cmrj10.vf    cmrj10.tfm  
% cmrj12.vf    cmrj12.tfm  
% cmrj17.vf    cmrj17.tfm  
% cmrj5.vf     cmrj5.tfm   
% cmrj6.vf     cmrj6.tfm   
% cmrj7.vf     cmrj7.tfm   
% cmrj8.vf     cmrj8.tfm   
% cmrj9.vf     cmrj9.tfm   
% cmbj10.vf    cmbj10.tfm  
%
% 1999/06/23 v1.6 Added noams options
% 1999/06/20 v1.5 Fixed maths default and option switching
% 1999/05/31 v1.4 Added maths switching; fiddled with option names 
%     and stuff
% 1999/04/14 v1.3 Dealt with AMS extra csc founts
% 1998/09/25 v1.2 Added \cmoldstyledigits and \cmliningdigits
% 1998/09/25 v1.1 Possibly got cmcsc and cmr5 sorted out
% 1998/05/25 v1.0 In the beginning...
%
\NeedsTeXFormat{LaTeX2e}[1998/12/01]
\ProvidesPackage{cmolddig}[1999/06/23 v1.6 Use old style digits in cmr]

\renewcommand{\rmdefault}{cmrj}
% Well, that takes care of 'Roman'.  Italic is 'left as an
% exercise' (said Allin)
%
% Isn't it just?  Personally, I have no intention of doing the 
% necessary Metafont hacking. (said Rowland)

% A couple of options to use (or not) old style digits by default in 
% maths mode

\newif\ifCMO@oldstylemaths\CMO@oldstylemathsfalse

%
% Bleedin' Yanks
%
\DeclareOption{cmoldstylemathdigits}{\CMO@oldstylemathstrue}
\DeclareOption{cmliningmathdigits}{\CMO@oldstylemathsfalse}
%
% Speak English or die
%
\DeclareOption{cmoldstylemathsdigits}{\CMO@oldstylemathstrue}
\DeclareOption{cmliningmathsdigits}{\CMO@oldstylemathsfalse}

\newif\ifCMO@extracmsc\CMO@extracmscfalse

\DeclareOption{extracmcsc}{\CMO@extracmsctrue}%\ equivalent; for those
\DeclareOption{amsfonts}{\CMO@extracmsctrue}%  / with the AMS founts

\DeclareOption{noextracmcsc}{\CMO@extracmscfalse}%\ equivalent; for those
\DeclareOption{noamsfonts}{\CMO@extracmscfalse}%  / without the AMS founts

\ExecuteOptions{cmliningmathdigits,noamsfonts}

\ProcessOptions

% Set up maths digits\ldots
% (with a little help from Allin Cottrell and the nameless Canadian 
% guru)

\DeclareMathSymbol{0}{\mathalpha}{operators}{`0}
\DeclareMathSymbol{1}{\mathalpha}{operators}{`1}
\DeclareMathSymbol{2}{\mathalpha}{operators}{`2}
\DeclareMathSymbol{3}{\mathalpha}{operators}{`3}
\DeclareMathSymbol{4}{\mathalpha}{operators}{`4}
\DeclareMathSymbol{5}{\mathalpha}{operators}{`5}
\DeclareMathSymbol{6}{\mathalpha}{operators}{`6}
\DeclareMathSymbol{7}{\mathalpha}{operators}{`7}
\DeclareMathSymbol{8}{\mathalpha}{operators}{`8}
\DeclareMathSymbol{9}{\mathalpha}{operators}{`9}

\edef\cmliningmathdigits{%
\mathcode`0=\the\mathcode`0
\mathcode`1=\the\mathcode`1
\mathcode`2=\the\mathcode`2
\mathcode`3=\the\mathcode`3
\mathcode`4=\the\mathcode`4
\mathcode`5=\the\mathcode`5
\mathcode`6=\the\mathcode`6
\mathcode`7=\the\mathcode`7
\mathcode`8=\the\mathcode`8
\mathcode`9=\the\mathcode`9
}

\DeclareMathSymbol{0}{0}{letters}{'060}
\DeclareMathSymbol{1}{0}{letters}{'061}
\DeclareMathSymbol{2}{0}{letters}{'062}
\DeclareMathSymbol{3}{0}{letters}{'063}
\DeclareMathSymbol{4}{0}{letters}{'064}
\DeclareMathSymbol{5}{0}{letters}{'065}
\DeclareMathSymbol{6}{0}{letters}{'066}
\DeclareMathSymbol{7}{0}{letters}{'067}
\DeclareMathSymbol{8}{0}{letters}{'070}
\DeclareMathSymbol{9}{0}{letters}{'071}

\edef\cmoldstylemathdigits{%
\mathcode`0=\the\mathcode`0
\mathcode`1=\the\mathcode`1
\mathcode`2=\the\mathcode`2
\mathcode`3=\the\mathcode`3
\mathcode`4=\the\mathcode`4
\mathcode`5=\the\mathcode`5
\mathcode`6=\the\mathcode`6
\mathcode`7=\the\mathcode`7
\mathcode`8=\the\mathcode`8
\mathcode`9=\the\mathcode`9
}

\ifCMO@oldstylemaths
  \cmoldstylemathdigits
  \else
  \cmliningmathdigits
  \fi

\InputIfFileExists{ot1cmrj.fd}{}{%
  \PackageError{cmolddig}
    {Can't find file ot1cmrj.fd}
    {The file ot1cmrj.fd seems to be missing.  I can't 
     switch to oldstyle digits without it.}}

%
% If you've got the AMS founts:
%
\ifCMO@extracmsc
  \DeclareFontShape{OT1}{cmrj}{m}{sc}{
    &lt;10&gt;&lt;10.95&gt;&lt;12&gt; &lt;14.4&gt;&lt;17.28&gt;&lt;20.74&gt;&lt;24.88&gt; cmcscj10
    &lt;9&gt; cmcscj9
    &lt;5&gt;&lt;6&gt;&lt;7&gt;&lt;8&gt; cmcscj8}{}
  \fi

\newcommand{\cmoldstyledigits}{%
  \renewcommand{\rmdefault}{cmrj}\rmfamily}

\newcommand{\cmliningdigits}{%
  \renewcommand{\rmdefault}{cmr}\rmfamily}

\endinput
%% end of cmolddig.sty</pre></body></html>