refcount split from oberdiek (18dec19)

git-svn-id: svn://tug.org/texlive/trunk@53164 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 403 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/latex/refcount/refcount.sty b/Master/texmf-dist/tex/latex/refcount/refcount.sty
new file mode 100644
index 00000000000..df50c9c342f
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/refcount/refcount.sty
@@ -0,0 +1,403 @@
+%%
+%% This is file `refcount.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% refcount.dtx  (with options: `package')
+%% 
+%% This is a generated file.
+%% 
+%% Project: refcount
+%% Version: 2019/12/15 v3.6
+%% 
+%% Copyright (C)
+%%    1998, 2000, 2006, 2008, 2010, 2011 Heiko Oberdiek
+%%    2016-2019 Oberdiek Package Support Group
+%% 
+%% This work 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. This version of this license is in
+%%    https://www.latex-project.org/lppl/lppl-1-3c.txt
+%% and the latest version of this license is in
+%%    https://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of
+%% LaTeX version 2005/12/01 or later.
+%% 
+%% This work has the LPPL maintenance status "maintained".
+%% 
+%% The Current Maintainers of this work are
+%% Heiko Oberdiek and the Oberdiek Package Support Group
+%% https://github.com/ho-tex/refcount/issues
+%% 
+%% 
+%% This work consists of the main source file refcount.dtx
+%% and the derived files
+%%    refcount.sty, refcount.pdf, refcount.ins, refcount.drv,
+%%    refcount-test1.tex, refcount-test2.tex, refcount-test3.tex,
+%%    refcount-test4.tex, refcount-test5.tex.
+%% 
+\begingroup\catcode61\catcode48\catcode32=10\relax%
+  \catcode13=5 % ^^M
+  \endlinechar=13 %
+  \catcode35=6 % #
+  \catcode39=12 % '
+  \catcode44=12 % ,
+  \catcode45=12 % -
+  \catcode46=12 % .
+  \catcode58=12 % :
+  \catcode64=11 % @
+  \catcode123=1 % {
+  \catcode125=2 % }
+  \expandafter\let\expandafter\x\csname ver@refcount.sty\endcsname
+  \ifx\x\relax % plain-TeX, first loading
+  \else
+    \def\empty{}%
+    \ifx\x\empty % LaTeX, first loading,
+      % variable is initialized, but \ProvidesPackage not yet seen
+    \else
+      \expandafter\ifx\csname PackageInfo\endcsname\relax
+        \def\x#1#2{%
+          \immediate\write-1{Package #1 Info: #2.}%
+        }%
+      \else
+        \def\x#1#2{\PackageInfo{#1}{#2, stopped}}%
+      \fi
+      \x{refcount}{The package is already loaded}%
+      \aftergroup\endinput
+    \fi
+  \fi
+\endgroup%
+\begingroup\catcode61\catcode48\catcode32=10\relax%
+  \catcode13=5 % ^^M
+  \endlinechar=13 %
+  \catcode35=6 % #
+  \catcode39=12 % '
+  \catcode40=12 % (
+  \catcode41=12 % )
+  \catcode44=12 % ,
+  \catcode45=12 % -
+  \catcode46=12 % .
+  \catcode47=12 % /
+  \catcode58=12 % :
+  \catcode64=11 % @
+  \catcode91=12 % [
+  \catcode93=12 % ]
+  \catcode123=1 % {
+  \catcode125=2 % }
+  \expandafter\ifx\csname ProvidesPackage\endcsname\relax
+    \def\x#1#2#3[#4]{\endgroup
+      \immediate\write-1{Package: #3 #4}%
+      \xdef#1{#4}%
+    }%
+  \else
+    \def\x#1#2[#3]{\endgroup
+      #2[{#3}]%
+      \ifx#1\@undefined
+        \xdef#1{#3}%
+      \fi
+      \ifx#1\relax
+        \xdef#1{#3}%
+      \fi
+    }%
+  \fi
+\expandafter\x\csname ver@refcount.sty\endcsname
+\ProvidesPackage{refcount}%
+  [2019/12/15 v3.6 Data extraction from label references (HO)]%
+\begingroup\catcode61\catcode48\catcode32=10\relax%
+  \catcode13=5 % ^^M
+  \endlinechar=13 %
+  \catcode123=1 % {
+  \catcode125=2 % }
+  \catcode64=11 % @
+  \def\x{\endgroup
+    \expandafter\edef\csname rc@AtEnd\endcsname{%
+      \endlinechar=\the\endlinechar\relax
+      \catcode13=\the\catcode13\relax
+      \catcode32=\the\catcode32\relax
+      \catcode35=\the\catcode35\relax
+      \catcode61=\the\catcode61\relax
+      \catcode64=\the\catcode64\relax
+      \catcode123=\the\catcode123\relax
+      \catcode125=\the\catcode125\relax
+    }%
+  }%
+\x\catcode61\catcode48\catcode32=10\relax%
+\catcode13=5 % ^^M
+\endlinechar=13 %
+\catcode35=6 % #
+\catcode64=11 % @
+\catcode123=1 % {
+\catcode125=2 % }
+\def\TMP@EnsureCode#1#2{%
+  \edef\rc@AtEnd{%
+    \rc@AtEnd
+    \catcode#1=\the\catcode#1\relax
+  }%
+  \catcode#1=#2\relax
+}
+\TMP@EnsureCode{33}{12}% !
+\TMP@EnsureCode{39}{12}% '
+\TMP@EnsureCode{42}{12}% *
+\TMP@EnsureCode{45}{12}% -
+\TMP@EnsureCode{46}{12}% .
+\TMP@EnsureCode{47}{12}% /
+\TMP@EnsureCode{91}{12}% [
+\TMP@EnsureCode{93}{12}% ]
+\TMP@EnsureCode{96}{12}% `
+\edef\rc@AtEnd{\rc@AtEnd\noexpand\endinput}
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname RequirePackage\endcsname\relax
+  \input ltxcmds.sty\relax
+  \input infwarerr.sty\relax
+\else
+  \RequirePackage{ltxcmds}[2011/11/09]%
+  \RequirePackage{infwarerr}[2010/04/08]%
+\fi
+\ltx@IfUndefined{@ifdefinable}{%
+  \def\rc@IfDefinable#1{%
+    \ifx#1\ltx@undefined
+      \expandafter\ltx@firstofone
+    \else
+      \ifx#1\relax
+        \expandafter\expandafter\expandafter\ltx@firstofone
+      \else
+        \@PackageError{refcount}{%
+          Command \string#1 is already defined.\MessageBreak
+          It will not redefined by this package%
+        }\@ehc
+        \expandafter\expandafter\expandafter\ltx@gobble
+      \fi
+    \fi
+  }%
+}{%
+  \let\rc@IfDefinable\@ifdefinable
+}
+\ltx@IfUndefined{protected}{%
+  \ltx@IfUndefined{DeclareRobustCommand}{%
+    \def\rc@RobustDefOne#1#2#3#4{%
+      \rc@IfDefinable#3{%
+        #1\def#3##1{#4}%
+      }%
+    }%
+    \def\rc@RobustDefZero#1#2{%
+      \rc@IfDefinable#1{%
+        \def#1{#2}%
+      }%
+    }%
+  }{%
+    \def\rc@RobustDefOne#1#2#3#4{%
+      \rc@IfDefinable#3{%
+        \DeclareRobustCommand#2#3[1]{#4}%
+      }%
+    }%
+    \def\rc@RobustDefZero#1#2{%
+      \rc@IfDefinable#1{%
+        \DeclareRobustCommand#1{#2}%
+      }%
+    }%
+  }%
+}{%
+  \def\rc@RobustDefOne#1#2#3#4{%
+    \rc@IfDefinable#3{%
+      \protected#1\def#3##1{#4}%
+    }%
+  }%
+  \def\rc@RobustDefZero#1#2{%
+    \rc@IfDefinable#1{%
+      \protected\def#1{#2}%
+    }%
+  }%
+}
+\ltx@IfUndefined{newcommand}{%
+  \def\rc@newcommand*#1[#2]#3{% hash-ok
+    \rc@IfDefinable#1{%
+      \ifcase#2 %
+        \def#1{#3}%
+      \or
+        \def#1##1{#3}%
+      \or
+        \def#1##1##2{#3}%
+      \else
+        \rc@InternalError
+      \fi
+    }%
+  }%
+}{%
+  \let\rc@newcommand\newcommand
+}
+\rc@RobustDefOne\long{}\setrefcountdefault{%
+  \def\rc@default{#1}%
+}
+\setrefcountdefault{0}
+\ltx@IfUndefined{G@refundefinedtrue}{%
+  \rc@RobustDefOne{}{*}\refused{%
+    \begingroup
+      \csname @safe@activestrue\endcsname
+      \ltx@IfUndefined{r@#1}{%
+        \protect\G@refundefinedtrue
+        \rc@WarningUndefined{#1}%
+      }{}%
+    \endgroup
+  }%
+}{%
+  \rc@RobustDefOne{}{*}\refused{%
+    \begingroup
+      \csname @safe@activestrue\endcsname
+      \ltx@IfUndefined{r@#1}{%
+        \csname protect\expandafter\endcsname
+        \csname G@refundefinedtrue\endcsname
+        \rc@WarningUndefined{#1}%
+      }{}%
+    \endgroup
+  }%
+}
+\ltx@IfUndefined{@latex@warning}{%
+  \def\rc@WarningUndefined#1{%
+    \ltx@ifundefined{thepage}{%
+      \def\thepage{\number\count0 }%
+    }{}%
+    \@PackageWarning{refcount}{%
+      Reference `#1' on page \thepage\space undefined%
+    }%
+  }%
+}{%
+  \def\rc@WarningUndefined#1{%
+    \@latex@warning{%
+      Reference `#1' on page \thepage\space undefined%
+    }%
+  }%
+}
+\def\rc@set#1#2#3#4{%
+  \begingroup
+    \csname @safe@activestrue\endcsname
+    \refused{#4}%
+    \expandafter\rc@@set\csname r@#4\endcsname{#1}{#2}{#3}%
+  \endgroup
+}
+\def\rc@@set#1#2#3#4{%
+  \ifx#1\relax
+    #2{#4}{\rc@default}%
+  \else
+    #2{#4}{%
+      \expandafter#3#1\rc@default\rc@default\@nil
+    }%
+  \fi
+}
+\rc@RobustDefZero\setcounterref{%
+  \rc@set\setcounter\ltx@car
+}
+\rc@RobustDefZero\addtocounterref{%
+  \rc@set\addtocounter\ltx@car
+}
+\rc@RobustDefZero\setcounterpageref{%
+  \rc@set\setcounter\ltx@carsecond
+}
+\rc@RobustDefZero\addtocounterpageref{%
+  \rc@set\addtocounter\ltx@carsecond
+}
+\rc@newcommand*{\getrefnumber}[1]{%
+  \romannumeral
+  \ltx@ifundefined{r@#1}{%
+    \expandafter\ltx@zero
+    \rc@default
+  }{%
+    \expandafter\expandafter\expandafter\rc@extract@
+    \expandafter\expandafter\expandafter!%
+    \csname r@#1\expandafter\endcsname
+    \expandafter{\rc@default}\@nil
+  }%
+}
+\rc@newcommand*{\getpagerefnumber}[1]{%
+  \romannumeral
+  \ltx@ifundefined{r@#1}{%
+    \expandafter\ltx@zero
+    \rc@default
+  }{%
+    \expandafter\expandafter\expandafter\rc@extract@page
+    \expandafter\expandafter\expandafter!%
+    \csname r@#1\expandafter\expandafter\expandafter\endcsname
+    \expandafter\expandafter\expandafter{%
+      \expandafter\rc@default
+    \expandafter}\expandafter{\rc@default}\@nil
+  }%
+}
+\rc@newcommand*{\getrefbykeydefault}[2]{%
+  \romannumeral
+  \expandafter\rc@getrefbykeydefault
+    \csname r@#1\expandafter\endcsname
+    \csname rc@extract@#2\endcsname
+}
+\long\def\rc@getrefbykeydefault#1#2#3{%
+  \ifx#1\relax
+    % reference is undefined
+    \ltx@ReturnAfterElseFi{%
+      \ltx@zero
+      #3%
+    }%
+  \else
+    \ltx@ReturnAfterFi{%
+      \ifx#2\relax
+        % extract method is missing
+        \ltx@ReturnAfterElseFi{%
+          \ltx@zero
+          #3%
+        }%
+      \else
+        \ltx@ReturnAfterFi{%
+          \expandafter
+          \rc@generic#1{#3}{#3}{#3}{#3}{#3}\@nil#2{#3}%
+        }%
+      \fi
+    }%
+  \fi
+}
+\long\def\rc@generic#1#2\@nil#3#4{%
+  #3{#1\TR@TitleReference\@empty{#4}\@nil}{#1}#2\@nil
+}
+\long\def\rc@extract@#1#2#3\@nil{%
+  \ltx@zero
+  #2%
+}
+\long\def\rc@extract@page#1#2#3#4\@nil{%
+  \ltx@zero
+  #3%
+}
+\long\def\rc@extract@name#1#2#3#4#5\@nil{%
+  \ltx@zero
+  #4%
+}
+\long\def\rc@extract@anchor#1#2#3#4#5#6\@nil{%
+  \ltx@zero
+  #5%
+}
+\long\def\rc@extract@url#1#2#3#4#5#6#7\@nil{%
+  \ltx@zero
+  #6%
+}
+\long\def\rc@extract@title#1#2\@nil{%
+  \rc@@extract@title#1%
+}
+\long\def\rc@@extract@title#1\TR@TitleReference#2#3#4\@nil{%
+  \ltx@zero
+  #3%
+}
+\rc@newcommand*{\IfRefUndefinedExpandable}[1]{%
+  \ltx@ifundefined{r@#1}\ltx@firstoftwo\ltx@secondoftwo
+}
+\rc@RobustDefOne{}*\IfRefUndefinedBabel{%
+  \begingroup
+    \csname safe@actives@true\endcsname
+  \expandafter\expandafter\expandafter\endgroup
+  \expandafter\ifx\csname r@#1\endcsname\relax
+    \expandafter\ltx@firstoftwo
+  \else
+    \expandafter\ltx@secondoftwo
+  \fi
+}
+\rc@AtEnd%
+%% \section{Installation}
+\endinput
+%%
+%% End of file `refcount.sty'.