%%
%% This is file `underscore-ltx.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% latex2e-first-aid-for-external-files.dtx  (with options: `underscore-ltx')
%% 
%% The source is maintained by the LaTeX Project team and bug
%% reports for it can be opened at https://latex-project.org/bugs/
%% (but please observe conditions on bug reports sent to that address!)
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%% Copyright (C) 2020-2024
%% The LaTeX Project and any individual authors listed elsewhere
%% in this file.
%% 
%% This file was generated from file(s) of the Standard LaTeX `First Aid Bundle'.
%% ------------------------------------------------------------------------------
%% 
%% It may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%%    https://www.latex-project.org/lppl.txt
%% and version 1.3c or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
%% 
%% This file may only be distributed together with a copy of the LaTeX
%% `First Aid Bundle'. You may however distribute the LaTeX `First Aid Bundle'
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%% File: latex2e-first-aid-for-external-files.dtx (C) Copyright 2020-2024
%%
%% The LaTeX Project and any individual authors listed elsewhere
%% in this file.
\ProvidesPackage{underscore-ltx}[2023/09/20 LaTeX firstaid to make underscore protected ]
\begingroup
 \catcode`\_=\active
 \protected\gdef _{%
   \ifincsname %
      \string_%
   \else
      \ifx\protect\@typeset@protect
         \ifmmode \sb \else \BreakableUnderscore \fi
      \else
         \ifx\protect\@unexpandable@protect \noexpand_%
         \else \protect_%
      \fi\fi
    \fi
    }
  \global\let\ActiveUnderscore=_
\endgroup
\endinput
%%
%% End of file `underscore-ltx.sty'.