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% FNCYLAB.STY v1.1
% Copyright 2000,2003 Robin Fairbairns (robin.fairbairns@cl.cam.ac.uk)
% Copyright 2019 LaTeX Team
%
% This program can redistributed and/or modified under the terms
% of the LaTeX Project Public License; either version 1.2 of the
% license, or (at your option) any later version.
%
% See http://www.latex-project.org/lppl.txt for the latest version
% of the license.
%
% This package provides support for arbitrary structuring of the way
% label references look. The \labelformat command takes two
% arguments:
% #1 the counter that will define the label (e.g., section, figure,
% enumi, etc.)
% #2 the definition of how the label will be formatted: in this
% argument, #1 (*not* ##1) substitutes the `raw' value of the
% thing which is the source of the label.
%
% The package makes use of a built-in LaTeX facility (which actually
% needs a bit of patching before it's usable); this allows the precise
% layout of the references to labels generated from any LaTeX counter
% to be altered. Note that the way in which the counter itself is
% represented in references depends on \the<counter> -- it's the same
% as the way the counter gets printed.
%
% example
% \labelformat{section}{section #1}
% ...
% \section{The Blah Field}\label{blah}
% ...
% ... As we saw above in~\ref{blah} ...
%
% will typeset as
% ... As we saw above in section 3 ...
%
% For references at the start of a sentence, the package defines a
% command \Ref, which is used as follows:
% ... \Ref{blah} shows us that ...
%
% which will typeset as
% ... Section 3 shows us that ...
% as 2019 the modification (and \labelformat and \Ref) has been added
% to the LaTeX kernel, so there is nothing to do for this package any more
% unless it is run using an older kernel.
\ifx\labelformat\@undefined % if defined we assume a newer kernel
% this check and redefinition is suggested in the latex source
% (ltxref.dtx)
\CheckCommand*\refstepcounter[1]{\stepcounter{#1}%
\protected@edef\@currentlabel
{\csname p@#1\endcsname\csname the#1\endcsname}%
}
\renewcommand*\refstepcounter[1]{\stepcounter{#1}%
\protected@edef\@currentlabel
{\csname p@#1\expandafter\endcsname\csname the#1\endcsname}%
}
\def\labelformat#1{\expandafter\def\csname p@#1\endcsname##1}
\DeclareRobustCommand\Ref[1]{\protected@edef\@tempa{\ref{#1}}%
\expandafter\MakeUppercase\@tempa
}
\else
\PackageWarningNoLine{fncylab}{%
fncylab is not required with releases after 2019.\MessageBreak
All its functionality is now in the LaTeX kernel}
\fi
\endinput
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