From 41d36a6ccdbe245ef49d7979b1435f03e0794e48 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Sun, 20 Jul 2014 22:12:35 +0000
Subject: fancylabel (20jul14)

git-svn-id: svn://tug.org/texlive/trunk@34669 c570f23f-e606-0410-a88d-b1316a301751
---
 .../texmf-dist/tex/latex/fancylabel/fancylabel.sty | 933 +++++++++++++++++++++
 1 file changed, 933 insertions(+)
 create mode 100644 Master/texmf-dist/tex/latex/fancylabel/fancylabel.sty

(limited to 'Master/texmf-dist/tex/latex/fancylabel')

diff --git a/Master/texmf-dist/tex/latex/fancylabel/fancylabel.sty b/Master/texmf-dist/tex/latex/fancylabel/fancylabel.sty
new file mode 100644
index 00000000000..b18ea79758a
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/fancylabel/fancylabel.sty
@@ -0,0 +1,933 @@
+%%
+%% This is file `fancylabel.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% fancylabel.dtx  (with options: `package')
+%% 
+%%  This is a generated file.
+%% 
+%%  Copyright (C) 2014 by Dominik Siegel
+%% 
+%%  This file may be distributed and/or modified under the
+%%  conditions of the LaTeX Project Public License, either
+%%  version 1.2 of this license or (at your option) any later
+%%  version. The latest version of this license is in:
+%% 
+%%     http://www.latex-project.org/lppl.txt
+%% 
+%%  and version 1.2 or later is part of all distributions of
+%%  LaTeX version 1999/12/01 or later.
+%% 
+%%
+%% To produce the documentation, do the following
+%%
+%%    latex fancylabel.dtx
+%%    latex fancylabel.dtx
+%%    makeindex -s gind.ist -o fancylabel.ind fancylabel.idx
+%%    latex fancylabel.dtx
+\NeedsTeXFormat{LaTeX2e}[2005/12/01]
+\ProvidesPackage{fancylabel}[2014/07/15 v1.0 Referencing in a fancy way]
+\RequirePackage{xkeyval}
+\RequirePackage{ifthen}
+\RequirePackage{suffix}
+\newcounter{fancylabel}
+\setcounter{fancylabel}{0}
+\newcounter{fancysublabel}
+\setcounter{fancysublabel}{0}
+\presetkeys{fancylabel}{numbering=continuous,%
+                      level=sub,%
+                      IgnoreFamilies=false,%
+                      sort=false,%
+                      compress=false,%
+                      CompressLink={-},%
+                      CompressTwo=false,%
+                      ListLastSublabelOnly=true,
+                      ListSeparator={,\hskip-0.16667em{ }},%
+                      ListLastLabelSeparator=\fancyref@ListSeparator,%
+                      ListLastRefSeparator=\fancyref@ListSeparator,%
+                      DisableFamilyCheck=false%
+                      }{}
+\newcommand{\fancyref@addtolist}[2]{%
+    % #1=value to be added to the list #2
+    % #2=list
+    \ifthenelse{\equal{#1}{}}{}{%
+        \ifthenelse{\equal{#2}{}}{}{%
+            \g@addto@macro{#2}{,}%
+        }%
+        \g@addto@macro{#2}{#1}%
+    }%
+}
+\newcommand{\fancyref@addtoprintlist}[2]{%
+    % #1=value to be added to the list #2
+    % #2=list
+    \ifthenelse{\equal{#1}{}}{}{%
+        \ifthenelse{\equal{#2}{}}{}{%
+            \g@addto@macro{#2}{\fancyref@ListSeparator}%
+        }%
+        \g@addto@macro{#2}{#1}%
+    }%
+}
+\define@key{fancylabel}{families}{%
+    \fancyref@foreach{\fancyref@DefineFamily}{}{#1}%
+}
+\newcommand{\fancyref@ListOfFamilies}{}
+\newcommand{\fancyref@DefineFamily}[2]{%
+    % #1=empty
+    % #2=family
+    \@namedef{fancylabel@familystorage@#2}{0}%
+    \@namedef{fancylabelformat#2}{#2-\arabic{fancylabel}}%
+    \@namedef{fancyonlysublabelformat#2}{\alph{fancysublabel}}%
+    \@namedef{fancysublabelformat#2}{#2-\arabic{fancylabel}\alph{fancysublabel}}%
+    \@namedef{fancylabel@list@#2}{}%
+    \fancyref@addtolist{#2}{\fancyref@ListOfFamilies}%
+}
+\@onlypreamble\fancyref@DefineFamily
+\fancyref@DefineFamily{}{default}
+\renewcommand{\fancylabelformatdefault}{\arabic{fancylabel}}
+\renewcommand{\fancysublabelformatdefault}{\arabic{fancylabel}\alph{fancysublabel}}
+\define@choicekey*+{fancylabel}{numbering}[\val\nr]{continuous,ondemand,referenced}{%
+    % ##1=family
+    % ##2=label
+    % ##3=sublabel
+    \ifcase\nr\relax%
+        % numbering=continuous
+        % Label will be set un the first time, \fancylabel{} is called
+        % Order of labels depends on the appearance of fancylabel{}
+        \newcommand{\fancyref@define@LabelUndef}[3]{%
+            \fancyref@newlabel{##1}{##2}{##3}%
+        }%
+        \newcommand{\fancyref@show@LabelUndef}[3]{%
+            \fancyref@showlabel{##1}{##2}{##3}%
+        }%
+        \newcommand{\fancyref@define@LabelDef}[3]{}%
+        \newcommand{\fancyref@show@LabelDef}[3]{%
+            \fancyref@showlabel{##1}{##2}{##3}%
+        }%
+        \newcommand{\fancyref@define@RefUndef}[3]{}%
+        \newcommand{\fancyref@show@RefUndef}[3]{%
+            \@ifundefined{fancyref@PrevRun@##1@##2@##3}{%
+                \fancyref@labelerror{##2}{##3}%
+                ???%
+            }{%
+                \fancyref@showlabel{##1}{##2}{##3}%
+            }%
+        }%
+        \newcommand{\fancyref@define@RefDef}[3]{}%
+        \newcommand{\fancyref@show@RefDef}[3]{%
+            \fancyref@showlabel{##1}{##2}{##3}%
+        }%
+    \or%
+        % numbering=ondemand
+        % Only set label if it was asked for during the last run
+        % Order of labels depends on the appearance of fancylabel{}
+        \newcommand{\fancyref@define@LabelUndef}[3]{%
+            \@ifundefined{fancyref@AskedPrevRun@##1@##2@##3}{}{%
+                \fancyref@newlabel{##1}{##2}{##3}%
+            }%
+        }%
+        \newcommand{\fancyref@show@LabelUndef}[3]{%
+            \@ifundefined{fancyref@AskedPrevRun@##1@##2@##3}{}{%
+                \fancyref@showlabel{##1}{##2}{##3}%
+            }%
+        }%
+        \newcommand{\fancyref@define@LabelDef}[3]{}%
+        \newcommand{\fancyref@show@LabelDef}[3]{%
+            \fancyref@showlabel{##1}{##2}{##3}%
+        }%
+        \newcommand{\fancyref@define@RefUndef}[3]{}%
+        \newcommand{\fancyref@show@RefUndef}[3]{%
+            \@ifundefined{fancyref@PrevRun@##1@##2@##3}{%
+                \fancyref@labelerror{##2}{##3}%
+                ???%
+            }{%
+                \fancyref@showlabel{##1}{##2}{##3}%
+            }%
+        }%
+        \newcommand{\fancyref@define@RefDef}[3]{}%
+        \newcommand{\fancyref@show@RefDef}[3]{%
+            \fancyref@showlabel{##1}{##2}{##3}%
+        }%
+    \or%
+        % numbering=referenced
+        % Only set label if it was asked for during the last run
+        % Order of labels depends on the appearance of fancyref{}
+        \newcommand{\fancyref@define@LabelUndef}[3]{}%
+        \newcommand{\fancyref@show@LabelUndef}[3]{%
+            \@ifundefined{fancyref@AskedPrevRun@##1@##2@##3}{}{%
+                \fancyref@showlabel{##1}{##2}{##3}%
+            }%
+        }%
+        \newcommand{\fancyref@define@LabelDef}[3]{}%
+        \newcommand{\fancyref@show@LabelDef}[3]{%
+            \fancyref@showlabel{##1}{##2}{##3}%
+        }%
+        \newcommand{\fancyref@define@RefUndef}[3]{%
+            \fancyref@newlabel{##1}{##2}{##3}%
+        }%
+        \newcommand{\fancyref@show@RefUndef}[3]{%
+            \@ifundefined{fancyref@PrevRun@##1@##2@##3}{%
+                \fancyref@labelerror{##2}{##3}%
+                ???%
+            }{%
+                \fancyref@showlabel{##1}{##2}{##3}%
+            }%
+        }%
+        \newcommand{\fancyref@define@RefDef}[3]{%
+            \fancyref@newlabel{##1}{##2}{##3}%
+        }%
+        \newcommand{\fancyref@show@RefDef}[3]{%
+            \fancyref@showlabel{##1}{##2}{##3}% Show label
+        }%
+    \fi%
+}{%
+    \PackageError{fancylabel}{This value is not allowed. Allowed values are:%
+                         'continuous'(default), 'ondemand', 'referenced'.}{}%
+}
+\define@choicekey*+{fancylabel}{level}[\val\nr]{sub,same}{%
+    % ##1=family
+    % ##2=label
+    % ##3=sublabel
+    \ifcase\nr\relax%
+        % level=sub
+        \DeclareRobustCommand\fancysublabel[3][default]{{%
+            \fancysubreftrue%
+            \fancyref@subrefminusfalse%
+            \@fancylabel{##1}{##2}{##3}%
+        }}%
+        \WithSuffix\DeclareRobustCommand\fancysublabel-[3][default]{{%
+            \fancysubreftrue%
+            \fancyref@subrefminustrue%
+            \@fancylabel{##1}{##2}{##3}%
+        }}%
+        \WithSuffix\DeclareRobustCommand\fancysublabel*[3][default]{{%
+            \renewcommand{\@@fancylabel@show}[2]{}%
+            \fancysubreftrue%
+            \fancyref@subrefminusfalse%
+            \@fancylabel{##1}{##2}{##3}%
+        }}%
+        \DeclareRobustCommand\fancysubref[3][default]{{%
+            \fancysubreftrue%
+            \fancyref@subrefminusfalse%
+            \@fancyref{##1}{##2}{##3}%
+        }}%
+        \WithSuffix\DeclareRobustCommand\fancysubref-[3][default]{{%
+            \fancysubreftrue%
+            \fancyref@subrefminustrue%
+            \@fancyref{##1}{##2}{##3}%
+        }}%
+        \WithSuffix\DeclareRobustCommand\fancysubref*[3][default]{{%
+            \renewcommand{\@@fancylabel@show}[2]{}%
+            \fancysubreftrue%
+            \fancyref@subrefminusfalse%
+            \@fancyref{##1}{##2}{##3}%
+        }}%
+    \or%
+        % level=same
+        \DeclareRobustCommand\fancysublabel[3][default]{{%
+            \fancysubreffalse%
+            \fancyref@subrefminusfalse%
+            \@fancylabel{##1}{##2}{##3}%
+        }}%
+        \WithSuffix\DeclareRobustCommand\fancysublabel-[3][default]{{%
+            \fancysubreffalse%
+            \fancyref@subrefminustrue%
+            \@fancylabel{##1}{##2}{##3}%
+        }}%
+        \WithSuffix\DeclareRobustCommand\fancysublabel*[3][default]{{%
+            \renewcommand{\@@fancylabel@show}[2]{}%
+            \fancysubreffalse%
+            \fancyref@subrefminusfalse%
+            \@fancylabel{##1}{##2}{##3}%
+        }}%
+        \DeclareRobustCommand\fancysubref[3][default]{{%
+            \fancysubreffalse%
+            \fancyref@subrefminusfalse%
+            \@fancyref{##1}{##2}{##3}%
+        }}%
+        \WithSuffix\DeclareRobustCommand\fancysubref-[3][default]{{%
+            \fancysubreffalse%
+            \fancyref@subrefminustrue%
+            \@fancyref{##1}{##2}{##3}%
+        }}%
+        \WithSuffix\DeclareRobustCommand\fancysubref*[3][default]{{%
+            \renewcommand{\@@fancylabel@show}[2]{}%
+            \fancysubreffalse%
+            \fancyref@subrefminusfalse%
+            \@fancyref{##1}{##2}{##3}%
+        }}%
+    \fi%
+}{%
+    \PackageError{fancylabel}{This value is not allowed. Allowed values are:%
+                         'sub'(default), 'same'.}{}%
+}
+\newif\iffancyref@subrefminus\fancyref@subrefminusfalse
+\define@boolkey{fancylabel}{IgnoreFamilies}{}
+\define@boolkey{fancylabel}{sort}{}
+\define@boolkey{fancylabel}{compress}{}
+\define@key{fancylabel}{CompressLink}{\def\fancyref@CompressLink{#1}}
+\define@boolkey{fancylabel}{CompressTwo}{}
+\define@boolkey{fancylabel}{ListLastSublabelOnly}{}
+\define@key{fancylabel}{ListSeparator}{\edef\fancyref@ListSeparator{#1}}
+\define@key{fancylabel}{ListLastLabelSeparator}{\edef\fancyref@ListLastLabelSeparator{#1}}
+\define@key{fancylabel}{ListLastRefSeparator}{\edef\fancyref@ListLastRefSeparator{#1}}
+\define@boolkey{fancylabel}{DisableFamilyCheck}{}
+\newif\iffancyref@rerunerror\fancyref@rerunerrorfalse % ReRun error
+\newif\iffancysubref\fancysubreffalse % Subref or Ref
+\AtEndDocument{%
+    \iffancyref@rerunerror%
+        \PackageWarning{fancylabel}{Fancylabels may have changed. %
+                                  Please run latex again.}%
+    \fi%
+}
+\newcommand{\fancyref@labelerror}[2]{%
+    % #1=label
+    % #2=sublabel
+    \ifthenelse{\equal{#2}{}}{%
+        \PackageWarning{fancylabel}{Undefined fancylabel "#1".}%
+    }{%
+        \PackageWarning{fancylabel}{Undefined fancysublabel "#1@#2".}%
+    }%
+    \global\fancyref@rerunerrortrue%
+}
+\DeclareRobustCommand\fancylabel[2][default]{{%
+    % #1=family
+    % #2=label or list of labels
+    \fancysubreffalse%
+    \@fancylabel{#1}{#2}{}%
+}}
+\WithSuffix\DeclareRobustCommand\fancylabel*[2][default]{{%
+    % #1=family
+    % #2=label or list of labels
+    \renewcommand{\@@fancylabel@show}[2]{}%
+    \fancysubreffalse%
+    \@fancylabel{#1}{#2}{}%
+}}
+\DeclareRobustCommand\fancyref[2][default]{{%
+    % #1=family
+    % #2=label or list of labels
+    \@fancyref{#1}{#2}{}%
+}}
+\WithSuffix\DeclareRobustCommand\fancyref*[2][default]{{%
+    % #1=family
+    % #2=label or list of labels
+    \renewcommand{\@@fancylabel@show}[2]{}%
+    \@fancyref{#1}{#2}{}%
+}}
+\newcommand{\fancylabelNewLabelEvent}{}
+\newcommand{\fancylabelShowLabelEvent}{}
+\newcommand{\fancylabelShowRefEvent}{}
+\newcommand{\fancylabelResetCounter}[1]{%
+    % #1=family
+    \@ifundefined{fancylabel@familystorage@#1}{%
+        \PackageError{fancylabel}{No fancylabel family '#1' defined.}{}%
+    }{%
+        \@namedef{fancylabel@familystorage@#1}{0}%
+    }%
+}
+\newif\iffancyref@showlabel@FirstSublabelInList%
+\fancyref@showlabel@FirstSublabelInListtrue%
+\newcommand{\@fancylabel}[3]{%
+    % #1=family
+    % #2=label or list of labels
+    % #3=sublabel or list of sublabels
+    \@fancylabelANDref{#1}{#2}{#3}%
+    % Define labels
+    \expandafter\fancyref@@sort\expandafter{\@fancylabel@list}{\@@fancylabel@define}%
+    % Print labels
+    \setcounter{fancyref@sort@x}{0}%
+    \expandafter\fancyref@@sort\expandafter{\fancyref@compress@list}{\@@fancylabel@show}%
+    \fancyref@print@list%
+}
+\newcommand{\@fancylabelANDref}[3]{%
+    % #1=family
+    % #2=label or list of labels
+    % #3=sublabel or list of sublabels
+    \def\fancyref@sort@list{}%
+    \def\fancyref@sort@labellist@unsorted{}%
+    \def\fancyref@compress@list{}%
+    \def\fancyref@print@list{}%
+    \ifthenelse{\equal{#3}{}}{%
+        % true => List of labels
+        \newcommand{\@fancylabel@list}{#2}%
+        \newcommand{\@@fancylabel@define}[2]{%
+            % ##1=
+            % ##2=label (from list)
+            \@@@fancylabel@define{#1}{##2}{#3}%
+        }%
+        \newcommand{\@@fancyref@define}[2]{%
+            % ##1=
+            % ##2=label (from list)
+            \@@@fancyref@define{#1}{##2}{#3}%
+        }%
+        \def\fancyref@@@@@sort{%
+            fancyref@PrevRun@#1@\fancyref@@sort@value @%
+        }%
+        \def\fancyref@@@compress{%
+            fancyref@PrevRun@#1@\fancyref@@compress@value @%
+        }%
+        \newcommand{\fancyref@@@compress@entry}{%
+            {#1}{\fancyref@@compress@value}{}%
+        }%
+    }{%
+        % false => List of sublabels
+        \newcommand{\@fancylabel@list}{#3}%
+        \newcommand{\@@fancylabel@define}[2]{%
+            % ##1=
+            % ##2=sublabel (from list)
+            \@@@fancylabel@define{#1}{#2}{##2}%
+        }%
+        \newcommand{\@@fancyref@define}[2]{%
+            % ##1=
+            % ##2=sublabel (from list)
+            \@@@fancyref@define{#1}{#2}{##2}%
+        }%
+        \def\fancyref@@@@@sort{%
+            fancyref@PrevRun@#1@#2@\fancyref@@sort@value%
+        }%
+        \def\fancyref@@@compress{%
+            fancyref@PrevRun@#1@#2@\fancyref@@compress@value%
+        }%
+        \newcommand{\fancyref@@@compress@entry}{%
+            {#1}{#2}{\fancyref@@compress@value}%
+        }%
+    }%
+    % Sort
+    \fancyref@sort{\@fancylabel@list}%
+    % Compress
+    \fancyref@compress{\fancyref@sort@list}%
+    % Add the so far undefined labels to this list
+    \ifthenelse{\equal{\fancyref@sort@labellist@unsorted}{}}{}{%
+        \KV@fancylabel@compressfalse%
+        \fancyref@compress{\fancyref@sort@labellist@unsorted}%
+        \expandafter\fancyref@addtolist\expandafter{\fancyref@sort@labellist@unsorted}%
+                                                   {\fancyref@sort@list}%
+    }%
+}
+\newcommand{\@@@fancylabel@define}[3]{%
+    % #1=family
+    % #2=label
+    % #3=sublabel
+    \@ifundefined{fancylabel@familystorage@#1}{%
+        \PackageError{fancylabel}{No fancylabel family '#1' defined. %
+                                Use package option families for definition.}{}%
+    }{%
+        \@ifundefined{fancyref@ThisRun@#1@#2@#3}{%
+            \fancyref@define@LabelUndef{#1}{#2}{#3}%
+        }{%
+            \fancyref@define@LabelDef{#1}{#2}{#3}%
+        }%
+    }%
+}
+\newcommand{\@@fancylabel@show}[2]{%
+    % #1=
+    % #2={<family>}{<label>}{<sublabel>},{<family>}{<label>}{<sublabel>}
+    \@@fancylabelANDref@show%
+    % Get first and second item
+    \expandafter\fancyref@@sort\expandafter{#2}{\@@fancylabel@@show}%
+    % Produce the output
+    \edef\fancyref@ListLastSeparator{\fancyref@ListLastLabelSeparator}%
+    \@@fancylabelANDref@show@%
+    \expandafter\@@@fancylabel@show\@@fancylabel@@show@begin%
+    \@@fancylabelANDref@show@@%
+    % Add the \fancylabelShowLabelEvent if the label is not empty
+    \ifthenelse{\equal{\fancyref@print@list}{}}{}{%
+       \g@addto@macro{\fancyref@print@list}{\fancylabelShowLabelEvent}%
+    }%
+}%
+\newcommand{\@@fancyref@show}[2]{%
+    % #1=
+    % #2={<family>}{<label>}{<sublabel>},{<family>}{<label>}{<sublabel>}
+    \@@fancylabelANDref@show%
+    % Get first and second item
+    \expandafter\fancyref@@sort\expandafter{#2}{\@@fancylabel@@show}%
+    % Produce the output
+    \edef\fancyref@ListLastSeparator{\fancyref@ListLastRefSeparator}%
+    \@@fancylabelANDref@show@%
+    \expandafter\@@@fancyref@show\@@fancylabel@@show@begin%
+    \@@fancylabelANDref@show@@%
+    % Add the \fancylabelShowRefEvent
+    % Add the \fancylabelShowLabelEvent if the label is not empty
+    \ifthenelse{\equal{\fancyref@print@list}{}}{}{%
+       \g@addto@macro{\fancyref@print@list}{\fancylabelShowRefEvent}%
+    }%
+}%
+\newcommand{\@@fancylabelANDref@show}{%
+    \edef\@@fancylabel@@show@begin{}%
+    \edef\@@fancylabel@@show@begin@entry{}%
+    \edef\@@fancylabel@@show@end{}%
+    \edef\@@fancylabel@@show@end@entry{}%
+    \edef\@@fancylabel@@show@entry{}%
+}%
+\newcommand{\@@fancylabelANDref@show@}{%
+    \stepcounter{fancyref@sort@x}%
+    \ifthenelse{\thefancyref@sort@x = \@@fancylabel@@show@LengthOfPrintList}{}{%
+        % This is the last item of the list
+        \ifthenelse{\equal{\@@fancylabel@@show@end}{}}{%
+            \edef\fancyref@ListSeparator{\fancyref@ListLastSeparator}%
+        }{}%
+    }%
+}%
+\newcommand{\@@fancylabelANDref@show@@}{%
+    \ifthenelse{\equal{@@fancylabel@@show@entry}{}}{}{%
+        % \fancyref@showlabel has been executed
+        % this means a label will be printed
+        \edef\@@fancylabel@@show@begin@entry{\@@fancylabel@@show@entry}%
+        \ifthenelse{\equal{\@@fancylabel@@show@end}{}}{}{%
+            \expandafter\@@@fancylabel@show\@@fancylabel@@show@end%
+            \edef\@@fancylabel@@show@end@entry{\@@fancylabel@@show@entry}%
+        }%
+        % Add to list
+        \ifthenelse{\equal{\@@fancylabel@@show@end@entry}{}}{%
+            % No compressing
+            \edef\fancyref@print@list@entry{\@@fancylabel@@show@begin@entry}%
+        }{%
+            % Compressing
+            \edef\fancyref@print@list@entry{\@@fancylabel@@show@begin@entry%
+                                            \fancyref@CompressLink%
+                                            \@@fancylabel@@show@end@entry}%
+        }%
+        \expandafter\fancyref@addtoprintlist\expandafter{%
+            \fancyref@print@list@entry%
+        }{%
+            \fancyref@print@list%
+        }%
+    }%
+}%
+\newcommand{\@@fancylabel@@show}[2]{%
+    % #1=
+    % #2={<family>}{<label>}{<sublabel>}
+    \ifthenelse{\equal{\@@fancylabel@@show@begin}{}}{%
+        \edef\@@fancylabel@@show@begin{#2}%
+    }{%
+        \edef\@@fancylabel@@show@end{#2}%
+    }%
+}
+\newcommand{\@@@fancylabel@show}[3]{%
+    % #1=family
+    % #2=label
+    % #3=sublabel
+    \@ifundefined{fancylabel@familystorage@#1}{%
+        \PackageError{fancylabel}{No fancylabel family '#1' defined. %
+                                Use package option families for definition.}{}%
+    }{%
+        \@ifundefined{fancyref@ThisRun@#1@#2@#3}{%
+            \fancyref@show@LabelUndef{#1}{#2}{#3}%
+        }{%
+            \fancyref@show@LabelDef{#1}{#2}{#3}%
+        }%
+    }%
+}
+\newcommand{\@@@fancyref@show}[3]{%
+    % #1=family
+    % #2=label
+    % #3=sublabel
+    \@ifundefined{fancylabel@familystorage@#1}{%
+        \PackageError{fancylabel}{No fancylabel family '#1' defined. %
+                                Use package option families for definition.}{}%
+    }{%
+        \@ifundefined{fancyref@ThisRun@#1@#2@#3}{%
+            \fancyref@show@RefUndef{#1}{#2}{#3}%
+        }{%
+            \fancyref@show@RefDef{#1}{#2}{#3}%
+        }%
+    }%
+}
+\newcommand{\@fancyref}[3]{%
+    % #1=family
+    % #2=label or list of labels
+    % #3=sublabel or list of sublabels
+    \@fancylabelANDref{#1}{#2}{#3}%
+    % Define labels
+    \expandafter\fancyref@@sort\expandafter{\@fancylabel@list}{\@@fancyref@define}%
+    % Print labels
+    \setcounter{fancyref@sort@x}{0}%
+    \expandafter\fancyref@@sort\expandafter{\fancyref@compress@list}{\@@fancyref@show}%
+    \fancyref@print@list%
+}
+\newcommand{\@@fancyref}[3]{%
+    % #1=family
+    % #2=label
+    % #3=sublabel
+    \@ifundefined{fancyref@AskedThisRun@#1@#2@#3}{%
+        \global\@namedef{fancyref@AskedThisRun@#1@#2@#3}{#2}%
+        \immediate\write\@auxout{%
+            \string\fancyref@aux{fancyref@AskedPrevRun@#1@#2@#3}{#2}%
+        }%
+    }{}%
+    \@@@fancyref{#1}{#2}{#3}%
+}
+\newcommand{\@@@fancyref@define}[3]{%
+    % #1=family
+    % #2=label
+    % #3=sublabel
+    \@ifundefined{fancyref@AskedThisRun@#1@#2@#3}{%
+        \global\@namedef{fancyref@AskedThisRun@#1@#2@#3}{#2}%
+        \immediate\write\@auxout{%
+            \string\fancyref@aux{fancyref@AskedPrevRun@#1@#2@#3}{#2}%
+        }%
+    }{}%
+    \@ifundefined{fancyref@PrevRun@#1@#2@#3}{%
+        \fancyref@define@RefUndef{#1}{#2}{#3}%
+    }{%
+        \fancyref@define@RefDef{#1}{#2}{#3}%
+    }%
+}
+\newcommand{\fancyref@newlabel}[3]{%
+    % #1=family
+    % #2=label
+    % #3=sublabel
+    \@ifundefined{fancyref@ThisRun@#1@#2@#3}{%
+        \ifKV@fancylabel@DisableFamilyCheck%
+        \else%
+            \expandafter\fancyref@CheckOtherFamilies%
+            \expandafter{\fancyref@ListOfFamilies}{#1}{#2}%
+            \iffancyref@@@@CheckOtherFamilies@error%
+                \PackageWarning{fancylabel}{Label '#2' has been used in %
+                                            multiple families.}%
+            \fi%
+        \fi%
+        % Subref or Ref
+        \iffancysubref% Subref
+            \fancyref@@newsublabel{#1}{#2}{#3}%
+        \else% Ref
+            \fancyref@@newlabel{#1}{#2}{#3}%
+        \fi%
+    }{}%
+    % Show Package Warning if labels have changed since the last run
+    \@ifundefined{fancyref@PrevRun@#1@#2@#3}{%
+        \global\fancyref@rerunerrortrue%
+    }{%
+        \ifthenelse{\equal{\@nameuse{fancyref@ThisRun@#1@#2@#3}}%
+                          {\@nameuse{fancyref@PrevRun@#1@#2@#3}}}{}{%
+            \global\fancyref@rerunerrortrue%
+        }%
+    }%
+}
+\newcommand{\fancyref@@newlabel}[3]{%
+    % #1=family
+    % #2=label
+    % #3=sublabel
+    \ifKV@fancylabel@IgnoreFamilies%
+        \setcounter{fancylabel}{\@nameuse{fancylabel@familystorage@default}}%
+        \stepcounter{fancylabel}%
+        \expandafter\xdef\csname fancylabel@familystorage@default\endcsname{\thefancylabel}%
+    \else%
+        \setcounter{fancylabel}{\@nameuse{fancylabel@familystorage@#1}}%
+        \stepcounter{fancylabel}%
+        \expandafter\xdef\csname fancylabel@familystorage@#1\endcsname{\thefancylabel}%
+    \fi%
+    \immediate\write\@auxout{%
+        \string\fancyref@aux{fancyref@PrevRun@#1@#2@#3}{\thefancylabel}%
+    }%
+    \immediate\write\@auxout{%
+        \string\fancyref@addtolist{\string{#2\string}}{\string\fancylabel@list@#1}%
+    }%
+    \expandafter\xdef\csname fancyref@ThisRun@#1@#2@#3\endcsname{\thefancylabel}%
+    % Uses specified Event following the newlabel command
+    \fancylabelNewLabelEvent%
+}
+\newcommand{\fancyref@@newsublabel}[3]{%
+    % #1=family
+    % #2=label
+    % #3=sublabel
+    \@ifundefined{fancyref@ThisRun@#1@#2@}{%
+        \fancyref@@newlabel{#1}{#2}{}%
+    }{}%
+    \@ifundefined{fancyref@highestsub@#1@#2}{%
+        \setcounter{fancysublabel}{0}%
+    }{%
+        \setcounter{fancysublabel}{\@nameuse{fancyref@highestsub@#1@#2}}%
+    }%
+    \stepcounter{fancysublabel}%
+    \immediate\write\@auxout{%
+        \string\fancyref@aux{fancyref@PrevRun@#1@#2@#3}{\thefancysublabel}%
+    }%
+    \expandafter\xdef\csname fancyref@ThisRun@#1@#2@#3\endcsname{\thefancysublabel}%
+    \expandafter\xdef\csname fancyref@highestsub@#1@#2\endcsname{\thefancysublabel}%
+}
+\newcommand{\fancyref@showlabel}[3]{%
+    % #1=family
+    % #2=label
+    % #3=sublabel
+    \iffancysubref% \fancysubref and level=sub
+        \@ifundefined{fancyref@PrevRun@#1@#2@}{%
+            \fancyref@rerunerrortrue%
+        }{%
+            \setcounter{fancylabel}{\@nameuse{fancyref@PrevRun@#1@#2@}}%
+        }%
+        \@ifundefined{fancyref@PrevRun@#1@#2@#3}{%
+            \fancyref@rerunerrortrue%
+        }{%
+            \setcounter{fancysublabel}{\@nameuse{fancyref@PrevRun@#1@#2@#3}}%
+        }%
+        \iffancyref@subrefminus% minus => only subref without ref
+            \ifKV@fancylabel@IgnoreFamilies%
+                \edef\fancylabelthisformat{\@nameuse{fancyonlysublabelformatdefault}}%
+            \else%
+                \edef\fancylabelthisformat{\@nameuse{fancyonlysublabelformat#1}}%
+            \fi%
+        \else% Label and Sublabel
+            \iffancyref@showlabel@FirstSublabelInList%
+                % This is the very first label
+                \ifKV@fancylabel@IgnoreFamilies%
+                    \edef\fancylabelthisformat{\@nameuse{fancysublabelformatdefault}}%
+                \else%
+                    \edef\fancylabelthisformat{\@nameuse{fancysublabelformat#1}}%
+                \fi%
+                \fancyref@showlabel@FirstSublabelInListfalse%
+            \else%
+                % Any label after the first one
+                \ifKV@fancylabel@ListLastSublabelOnly%
+                    % Output: 1a-c,d
+                    \ifKV@fancylabel@IgnoreFamilies%
+                        \edef\fancylabelthisformat{\@nameuse{fancyonlysublabelformatdefault}}%
+                    \else%
+                        \edef\fancylabelthisformat{\@nameuse{fancyonlysublabelformat#1}}%
+                    \fi%
+                \else%
+                    % Output: 1a-1c,1d
+                    \ifKV@fancylabel@IgnoreFamilies%
+                        \edef\fancylabelthisformat{\@nameuse{fancysublabelformatdefault}}%
+                    \else%
+                        \edef\fancylabelthisformat{\@nameuse{fancysublabelformat#1}}%
+                    \fi%
+                \fi%
+            \fi%
+        \fi%
+    \else% \fancyref or \fancysubref and level=same
+        \@ifundefined{fancyref@PrevRun@#1@#2@#3}{%
+            \fancyref@rerunerrorfalse%
+        }{%
+            \setcounter{fancylabel}{\@nameuse{fancyref@PrevRun@#1@#2@#3}}%
+        }%
+        \ifKV@fancylabel@IgnoreFamilies%
+            \edef\fancylabelthisformat{\@nameuse{fancylabelformatdefault}}%
+        \else%
+            \edef\fancylabelthisformat{\@nameuse{fancylabelformat#1}}%
+        \fi%
+    \fi%
+    \edef\@@fancylabel@@show@entry{\fancylabelthisformat}%
+}
+\newcommand{\fancyref@CheckOtherFamilies}[3]{%
+    % #1=list of families
+    % #2=current family
+    % #3=label
+    \fancyref@foreach{\fancyref@@CheckOtherFamilies{#3}}{#2}{#1}%
+}
+\newcommand{\fancyref@@CheckOtherFamilies}[3]{%
+    % #1=label
+    % #2=current family
+    % #3=family (from list)
+    \xdef\fancyref@helper{\csname fancylabel@list@#3\endcsname}%
+    \ifthenelse{\equal{#2}{#3}}{}{%
+        \expandafter\fancyref@@@CheckOtherFamilies\expandafter{\fancyref@helper}{#1}%
+    }%
+}
+\newcommand{\fancyref@@@CheckOtherFamilies}[2]{%
+    % #1=list of labels
+    % #2=label
+    \fancyref@foreach{\fancyref@@@@CheckOtherFamilies}{#2}{#1}%
+}
+\newif\iffancyref@@@@CheckOtherFamilies@error
+\fancyref@@@@CheckOtherFamilies@errorfalse
+\newcommand{\fancyref@@@@CheckOtherFamilies}[2]{%
+    % #1=label
+    % #2=label (from list)
+    \ifthenelse{\equal{#1}{#2}}{%
+        \fancyref@@@@CheckOtherFamilies@errortrue%
+    }{}%
+}
+\newcommand{\fancyref@aux}[2]{% Helps to read the aux file
+    \global\@namedef{#1}{#2}%
+}
+%%% Thanks to
+%%% http://stackoverflow.com/questions/2402354/split-comma-separated-parameters-in-latex
+\def\fancyref@foreach#1#2#3{%
+    \fancyref@@test@foreach{#1}{#2}#3,\@end@token%
+}
+
+\def\fancyref@@swallow#1{}
+
+\def\fancyref@@test@foreach#1#2{%
+    \@ifnextchar\@end@token%
+        {\fancyref@@swallow}%
+        {\fancyref@@foreach{#1}{#2}}%
+}
+
+\def\fancyref@@foreach#1#2#3,#4\@end@token{%
+    #1{#2}{#3}%
+    \fancyref@@test@foreach{#1}{#2}#4\@end@token%
+}
+\newcounter{fancyref@sort@x}
+\setcounter{fancyref@sort@x}{0}
+\newcounter{fancyref@sort@y}
+\setcounter{fancyref@sort@y}{0}
+\newcommand{\fancyref@sort}[1]{%
+    % #1=comma-separated list of labels or sublabels
+    \ifKV@fancylabel@sort%
+        % Generate a list of all values
+        \def\fancyref@sort@valuelist@sorted{}%
+        \setcounter{fancyref@sort@x}{0}%
+        \expandafter\fancyref@@sort\expandafter{#1}{\fancyref@@@sort}%
+        % Generate a sorted list of values
+        \edef\fancyref@sort@arraylength{\thefancyref@sort@x}%
+        \setcounter{fancyref@sort@x}{0}%
+        \whiledo{\thefancyref@sort@x < \fancyref@sort@arraylength}{%
+            \setcounter{fancyref@sort@y}{0}%
+            % Set \fancyref@sort@smallest@temp the first list entry that is not 0
+            \whiledo{\thefancyref@sort@y < \fancyref@sort@arraylength}{%
+                \ifthenelse{\@nameuse{fancyref@sort@valuelist@\thefancyref@sort@y} = 0}{%
+                    \stepcounter{fancyref@sort@y}%
+                }{%
+                    \edef\fancyref@sort@smallest@temp{\thefancyref@sort@y}%
+                    \setcounter{fancyref@sort@y}{\fancyref@sort@arraylength}%
+                }%
+            }%
+            \setcounter{fancyref@sort@y}{0}%
+            % Find the smallest value in the list
+            \whiledo{\thefancyref@sort@y < \fancyref@sort@arraylength}{%
+                \ifthenelse{\@nameuse{fancyref@sort@valuelist@\thefancyref@sort@y} = 0}{}{%
+                    \ifthenelse{\@nameuse{fancyref@sort@valuelist@\thefancyref@sort@y} < %
+                                \@nameuse{fancyref@sort@valuelist@\fancyref@sort@smallest@temp}}{%
+                        \edef\fancyref@sort@smallest@temp{\thefancyref@sort@y}%
+                    }{}%
+                }%
+                \stepcounter{fancyref@sort@y}%
+            }%
+            % Add this smallest value to the list
+            \edef\fancyref@sort@smallest{%
+                \@nameuse{fancyref@sort@valuelist@\fancyref@sort@smallest@temp}%
+            }%
+            \expandafter\fancyref@addtolist\expandafter{\fancyref@sort@smallest}%
+                                                       {\fancyref@sort@valuelist@sorted}%
+            \expandafter\edef\csname fancyref@sort@valuelist@\fancyref@sort@smallest@temp\endcsname{0}%
+            \stepcounter{fancyref@sort@x}%
+        }%
+        % Generate a sorted list of labels
+        \ifthenelse{\equal{\fancyref@sort@valuelist@sorted}{}}{}{%
+            \expandafter\fancyref@@sort\expandafter{\fancyref@sort@valuelist@sorted}{\fancyref@@@@sort}%
+        }%
+    \else%
+        \expandafter\fancyref@addtolist\expandafter{#1}{\fancyref@sort@list}%
+    \fi%
+}
+\newcommand{\fancyref@@sort}[2]{%
+    % #1=comma-separated list
+    % #2=function to be executed on this list
+    \fancyref@foreach{#2}{}{#1}%
+}
+\newcommand{\fancyref@@@sort}[2]{%
+    % #1=
+    % #2=label (from list)
+    \def\fancyref@@sort@value{#2}%
+    \@ifundefined{\fancyref@@@@@sort}{%
+        \fancyref@addtolist{#2}{\fancyref@sort@labellist@unsorted}%
+    }{%
+        \expandafter\edef\csname fancyref@sort@labellist@\@nameuse{\fancyref@@@@@sort}\endcsname{#2}%
+        \expandafter\edef\csname fancyref@sort@valuelist@\thefancyref@sort@x\endcsname{%
+            \@nameuse{\fancyref@@@@@sort}%
+        }%
+        \stepcounter{fancyref@sort@x}%
+    }%
+}%
+\newcommand{\fancyref@@@@sort}[2]{%
+    % #1=
+    % #2=value (from sorted list of values)
+    \fancyref@addtolist{\@nameuse{fancyref@sort@labellist@#2}}{\fancyref@sort@list}%
+}
+\newcommand{\fancyref@compress}[1]{%
+    % #1=list of labels or sublabels
+    \def\fancyref@compress@begin{}%
+    \def\fancyref@compress@begin@entry{}%
+    \def\fancyref@compress@end{}%
+    \def\fancyref@compress@end@entry{}%
+    \setcounter{fancyref@sort@y}{0}%
+    \ifKV@fancylabel@compress%
+        \ifthenelse{\equal{#1}{}}{}{%
+            % Compress List
+            \expandafter\fancyref@@sort\expandafter{#1}{\fancyref@@compress}%
+            % Add last entry
+            \fancyref@@@@compress@stop%
+        }%
+    \else%
+        \expandafter\fancyref@@sort\expandafter{#1}{\fancyref@@nocompress}%
+    \fi%
+    \edef\@@fancylabel@@show@LengthOfPrintList{\thefancyref@sort@y}%
+}
+\newcommand{\fancyref@@compress}[2]{%
+    % #1=
+    % #2=value (from sorted list of values)
+    \def\fancyref@@compress@value{#2}%
+    \ifthenelse{\equal{\fancyref@compress@begin}{}}{%
+        % Start compressing
+        \fancyref@@@@compress@start%
+    }{%
+        \stepcounter{fancyref@sort@x}%
+        \ifthenelse{\@nameuse{\fancyref@@@compress} = \thefancyref@sort@x}{%
+            % Continue compressing
+            \fancyref@@@@compress@continue%
+        }{%
+            % Stop compressing and begin a new compressing
+            \fancyref@@@@compress@stop%
+        }%
+    }%
+}
+\newcommand{\fancyref@@@@compress@start}{%
+    \edef\fancyref@compress@begin{\fancyref@@@compress}%
+    \edef\fancyref@compress@begin@entry{\fancyref@@@compress@entry}%
+    \setcounter{fancyref@sort@x}{\@nameuse{\fancyref@compress@begin}}%
+}
+\newcommand{\fancyref@@@@compress@continue}{%
+    \edef\fancyref@compress@end{\fancyref@@@compress}%
+    \edef\fancyref@compress@end@entry{\fancyref@@@compress@entry}%
+}
+\newcommand{\fancyref@@@@compress@stop}{%
+    \ifKV@fancylabel@CompressTwo%
+        % Compress even if difference is only 1
+        \edef\fancyref@compress@listentry{{{\fancyref@compress@begin@entry},{\fancyref@compress@end@entry}}}%
+        \expandafter\fancyref@addtolist\expandafter{\fancyref@compress@listentry}{\fancyref@compress@list}%
+    \else%
+        % Compress if difference > 1
+        \setcounter{fancyref@sort@x}{\@nameuse{\fancyref@compress@begin}}%
+        \stepcounter{fancyref@sort@x}%
+        % Avoid empty \fancyref@compress@end
+        \ifthenelse{\equal{\fancyref@compress@end}{}}{%
+            \edef\fancyref@compress@listentry{{{\fancyref@compress@begin@entry},{\fancyref@compress@end@entry}}}%
+            \expandafter\fancyref@addtolist\expandafter{\fancyref@compress@listentry}{\fancyref@compress@list}%
+        }{%
+            \ifthenelse{\@nameuse{\fancyref@compress@end} = \thefancyref@sort@x}{%
+                % Difference = 1
+                \edef\fancyref@compress@listentry{{{\fancyref@compress@begin@entry},{}}}%
+                \expandafter\fancyref@addtolist\expandafter{\fancyref@compress@listentry}{\fancyref@compress@list}%
+                \edef\fancyref@compress@listentry{{{\fancyref@compress@end@entry},{}}}%
+                \expandafter\fancyref@addtolist\expandafter{\fancyref@compress@listentry}{\fancyref@compress@list}%
+            }{%
+                % Difference > 1
+                \edef\fancyref@compress@listentry{%
+                    {{\fancyref@compress@begin@entry},{\fancyref@compress@end@entry}}%
+                }%
+                \expandafter\fancyref@addtolist\expandafter{\fancyref@compress@listentry}{\fancyref@compress@list}%
+            }%
+        }%
+    \fi%
+    \edef\fancyref@compress@begin{\fancyref@@@compress}%
+    \edef\fancyref@compress@begin@entry{\fancyref@@@compress@entry}%
+    \edef\fancyref@compress@end{}%
+    \edef\fancyref@compress@end@entry{}%
+    \setcounter{fancyref@sort@x}{\@nameuse{\fancyref@compress@begin}}%
+    \stepcounter{fancyref@sort@y}%
+}
+\newcommand{\fancyref@@nocompress}[2]{%
+    % #1=
+    % #2=value (from sorted list of values)
+    \stepcounter{fancyref@sort@y}%
+    \def\fancyref@@compress@value{#2}%
+    \edef\fancyref@compress@listentry{{{\fancyref@@@compress@entry},{}}}%
+    \expandafter\fancyref@addtolist\expandafter{\fancyref@compress@listentry}{\fancyref@compress@list}%
+}
+\ProcessOptionsX<fancylabel>
+\endinput
+%%
+%% End of file `fancylabel.sty'.
-- 
cgit v1.2.3