From acab24042d34dd439e1d074820d1da2fa1d591cd Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Thu, 4 Apr 2019 20:55:44 +0000
Subject: pgf (4apr19)

git-svn-id: svn://tug.org/texlive/trunk@50758 c570f23f-e606-0410-a88d-b1316a301751
---
 .../tex/latex/pgf/doc/pgfmanual.pdflinks.code.tex  | 574 ++++++++++-----------
 1 file changed, 287 insertions(+), 287 deletions(-)

(limited to 'Master/texmf-dist/tex/latex/pgf/doc/pgfmanual.pdflinks.code.tex')

diff --git a/Master/texmf-dist/tex/latex/pgf/doc/pgfmanual.pdflinks.code.tex b/Master/texmf-dist/tex/latex/pgf/doc/pgfmanual.pdflinks.code.tex
index bdae790399e..a23b9ad6861 100644
--- a/Master/texmf-dist/tex/latex/pgf/doc/pgfmanual.pdflinks.code.tex
+++ b/Master/texmf-dist/tex/latex/pgf/doc/pgfmanual.pdflinks.code.tex
@@ -4,7 +4,7 @@
 %
 % Provides a user-friendly interface to create function plots (normal
 % plots, semi-logplots and double-logplots).
-% 
+%
 % It is based on Till Tantau's PGF package.
 %
 % Copyright 2007/2008/2009 by Christian Feuersänger.
@@ -13,19 +13,19 @@
 % it under the terms of the GNU General Public License as published by
 % the Free Software Foundation, either version 3 of the License, or
 % (at your option) any later version.
-% 
+%
 % This program is distributed in the hope that it will be useful,
 % but WITHOUT ANY WARRANTY; without even the implied warranty of
 % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 % GNU General Public License for more details.
-% 
+%
 % You should have received a copy of the GNU General Public License
 % along with this program.  If not, see <http://www.gnu.org/licenses/>.
 %
 %--------------------------------------------
 
 % This file provides an interface to the
-% pgfmanual.prettyprint.code.tex thing -- it allows to 
+% pgfmanual.prettyprint.code.tex thing -- it allows to
 %  *generate pdf crossrefs inside of codeexamples automatically*
 % without any user input.
 %
@@ -61,245 +61,245 @@
 \pgfutil@IfUndefined{cleanedhyperlink}{\let\cleanedhyperlink=\hyperlink}{}
 
 \pgfkeys{%
-	/codeexample/prettyprint/cs arguments/pgfkeys/.initial=1,
-	/codeexample/prettyprint/cs/pgfkeys/.code 2 args={\pgfmanualpdfref{#1}{#1}\{\pgfmanualprettyprintpgfkeys{#2}\pgfmanualclosebrace},
-	%
-	/codeexample/prettyprint/autolinks/.style={%
-		/codeexample/prettyprint/key name/.code={\pgfmanualpdfref{##1}{##1}},
-		/codeexample/prettyprint/key name with handler/.code 2 args={\pgfmanualpdfref{##1}{##1}/\pgfmanualpdfref{/handlers/##2}{##2}},
-		/codeexample/prettyprint/key value display only/.code={\pgfmanualprettyprintcode{##1}},
-		/codeexample/prettyprint/cs/.code={\pgfmanualpdfref{##1}{##1}},
-		/codeexample/prettyprint/cs with args/.code 2 args={\pgfmanualpdfref{##1}{##1}\{\pgfmanualprettyprintcode{##2}\pgfmanualclosebrace},
-		/codeexample/prettyprint/cs arguments/pgfkeys/.initial=1,
-		/codeexample/prettyprint/cs/pgfkeys/.code 2 args={\pgfmanualpdfref{##1}{##1}\{\pgfmanualprettyprintpgfkeys{##2}\pgfmanualclosebrace},
-		/codeexample/prettyprint/cs arguments/begin/.initial=1,
-		/codeexample/prettyprint/cs/begin/.code 2 args={##1\{\pgfmanualpdfref{##2}{##2}\pgfmanualclosebrace},
-		/codeexample/prettyprint/cs arguments/end/.initial=1,
-		/codeexample/prettyprint/cs/end/.code 2 args={##1\{\pgfmanualpdfref{##2}{##2}\pgfmanualclosebrace},
-		/codeexample/prettyprint/word/.code={\begingroup\pgfkeyssetvalue{/pdflinks/search key prefixes in}{}\pgfmanualpdfref{##1}{##1}\endgroup},
-		/codeexample/prettyprint/point/.code={##1},%
-		/codeexample/prettyprint/point with cs/.code 2 args={(\pgfmanualpdfref{##1}{##1}:##2},%
-	},%
-	/codeexample/prettyprint/autolinks,
+    /codeexample/prettyprint/cs arguments/pgfkeys/.initial=1,
+    /codeexample/prettyprint/cs/pgfkeys/.code 2 args={\pgfmanualpdfref{#1}{#1}\{\pgfmanualprettyprintpgfkeys{#2}\pgfmanualclosebrace},
+    %
+    /codeexample/prettyprint/autolinks/.style={%
+        /codeexample/prettyprint/key name/.code={\pgfmanualpdfref{##1}{##1}},
+        /codeexample/prettyprint/key name with handler/.code 2 args={\pgfmanualpdfref{##1}{##1}/\pgfmanualpdfref{/handlers/##2}{##2}},
+        /codeexample/prettyprint/key value display only/.code={\pgfmanualprettyprintcode{##1}},
+        /codeexample/prettyprint/cs/.code={\pgfmanualpdfref{##1}{##1}},
+        /codeexample/prettyprint/cs with args/.code 2 args={\pgfmanualpdfref{##1}{##1}\{\pgfmanualprettyprintcode{##2}\pgfmanualclosebrace},
+        /codeexample/prettyprint/cs arguments/pgfkeys/.initial=1,
+        /codeexample/prettyprint/cs/pgfkeys/.code 2 args={\pgfmanualpdfref{##1}{##1}\{\pgfmanualprettyprintpgfkeys{##2}\pgfmanualclosebrace},
+        /codeexample/prettyprint/cs arguments/begin/.initial=1,
+        /codeexample/prettyprint/cs/begin/.code 2 args={##1\{\pgfmanualpdfref{##2}{##2}\pgfmanualclosebrace},
+        /codeexample/prettyprint/cs arguments/end/.initial=1,
+        /codeexample/prettyprint/cs/end/.code 2 args={##1\{\pgfmanualpdfref{##2}{##2}\pgfmanualclosebrace},
+        /codeexample/prettyprint/word/.code={\begingroup\pgfkeyssetvalue{/pdflinks/search key prefixes in}{}\pgfmanualpdfref{##1}{##1}\endgroup},
+        /codeexample/prettyprint/point/.code={##1},%
+        /codeexample/prettyprint/point with cs/.code 2 args={(\pgfmanualpdfref{##1}{##1}:##2},%
+    },%
+    /codeexample/prettyprint/autolinks,
 }%
 
 \pgfkeys{
-	%
-	% Enables or disables the parsing of codeexamples.
-	/pdflinks/codeexample links/.is if=pgfmanualprettyenabled,
-	/pdflinks/codeexample links/.default=true,
-	%
-	% How to render a hyperlink
-	/pdflinks/render hyperlink/.code=#1,
-	%
-	% whenever an unqualified key is found, the following key prefix
-	% list is tried to find a match.
-	/pdflinks/search key prefixes in/.initial={/tikz/,/pgf/},
-	%
-	% Enables or disables warnings for failed auto links:
-	/pdflinks/warnings/.is if=pgfmanualpdfwarnings,
-	/pdflinks/warnings/.default=true,
-	%
-	% Shows the autogenerated labels. This is useful to check if the
-	% 'search key prefixes in' worked as it ought to.
-	/pdflinks/show labels/.is if=pgfmanualshowlabels,
-	/pdflinks/show labels/.default=true,
-	/pdflinks/show labels=false,
-	% will be invoked with '#1' set to the generated label.
-	/pdflinks/show labels code/.code={
-		\hbox to 0pt{%
-			\vbox to 0pt{\hsize=0pt
-				\vskip-\baselineskip
-				\hbox to \hsize{%
-					\hss
-					{\footnotesize\ttfamily\textcolor{red}{#1}}%
-					\hss
-				}%
-				\vss
-			}%
-			\vbox to 0pt{\hsize=0pt
-				\vss
-				\hbox to \hsize{%
-					\hss
-					{\footnotesize\ttfamily\textcolor{red}{$\vert$}}%
-					\hss
-				}%
-			}%
-			\vsize=0pt
-		}%
-	},
-	%
-	% the link prefix written to the pdf file:
-	/pdflinks/internal link prefix/.initial=pgf,
+    %
+    % Enables or disables the parsing of codeexamples.
+    /pdflinks/codeexample links/.is if=pgfmanualprettyenabled,
+    /pdflinks/codeexample links/.default=true,
+    %
+    % How to render a hyperlink
+    /pdflinks/render hyperlink/.code=#1,
+    %
+    % whenever an unqualified key is found, the following key prefix
+    % list is tried to find a match.
+    /pdflinks/search key prefixes in/.initial={/tikz/,/pgf/},
+    %
+    % Enables or disables warnings for failed auto links:
+    /pdflinks/warnings/.is if=pgfmanualpdfwarnings,
+    /pdflinks/warnings/.default=true,
+    %
+    % Shows the autogenerated labels. This is useful to check if the
+    % 'search key prefixes in' worked as it ought to.
+    /pdflinks/show labels/.is if=pgfmanualshowlabels,
+    /pdflinks/show labels/.default=true,
+    /pdflinks/show labels=false,
+    % will be invoked with '#1' set to the generated label.
+    /pdflinks/show labels code/.code={
+        \hbox to 0pt{%
+            \vbox to 0pt{\hsize=0pt
+                \vskip-\baselineskip
+                \hbox to \hsize{%
+                    \hss
+                    {\footnotesize\ttfamily\textcolor{red}{#1}}%
+                    \hss
+                }%
+                \vss
+            }%
+            \vbox to 0pt{\hsize=0pt
+                \vss
+                \hbox to \hsize{%
+                    \hss
+                    {\footnotesize\ttfamily\textcolor{red}{$\vert$}}%
+                    \hss
+                }%
+            }%
+            \vsize=0pt
+        }%
+    },
+    %
+    % the link prefix written to the pdf file:
+    /pdflinks/internal link prefix/.initial=pgf,
 }
 
 \begingroup
-  \catcode`\_=12
-  \gdef\pgfmanualpdf@underscore{_}%
-  \catcode`\ =13\relax\gdef\pgfmanualpdf@install@active@space{\def {\space}}%
+    \catcode`\_=12
+    \gdef\pgfmanualpdf@underscore{_}%
+    \catcode`\ =13\relax\gdef\pgfmanualpdf@install@active@space{\def {\space}}%
 \endgroup
 
 \gdef\pgfmanualpdf@installreplacements{%
-	\def\marg##1{{##1}}%
-	\def\oarg##1{[##1]}%
-	\def\meta##1{meta(##1)}%
-	\def\x{x}%
-	\def\textbackslash{back/}%
-	\def\\{\textbackslash}%
-	\def\space{:}%
-	\edef\ {\space}%
-	\edef\SPACE{\` \relax}%
-	\ifnum\the\catcode`\ =13 %
-		\pgfmanualpdf@install@active@space
-	\fi
-	\edef\#{}%
-	\def\printanat{@}%
-	\def\protect{}%
-	\def\textasciicircum{o}%
+    \def\marg##1{{##1}}%
+    \def\oarg##1{[##1]}%
+    \def\meta##1{meta(##1)}%
+    \def\x{x}%
+    \def\textbackslash{back/}%
+    \def\\{\textbackslash}%
+    \def\space{:}%
+    \edef\ {\space}%
+    \edef\SPACE{\` \relax}%
+    \ifnum\the\catcode`\ =13 %
+        \pgfmanualpdf@install@active@space
+    \fi
+    \edef\#{}%
+    \def\printanat{@}%
+    \def\protect{}%
+    \def\textasciicircum{o}%
         \def\_{\pgfmanualpdf@underscore}%
-	\expandafter\edef\pgfmanual@verb@activebar{\pgfmanual@verb@bar}%
+    \expandafter\edef\pgfmanual@verb@activebar{\pgfmanual@verb@bar}%
 }%
 
 % Defines a new pdf cross ref label for use with \pgfmanualpdfref.
 %
 % Usage:
-% 	\pgfmanualpdflabel{<label>}{<text>}
+%     \pgfmanualpdflabel{<label>}{<text>}
 % #1: the label.
 % The text #2 will be shown in the resulting pdf (if it is not empty).
 %
 % There is also support for catcode changes if <label> contains
 % something which shouldn't be written as-is into .aux files:
-% 	\pgfmanualpdflabel[\catcode`\|=12 ]{|-}{}
+%     \pgfmanualpdflabel[\catcode`\|=12 ]{|-}{}
 % -> this will write
-% \begingroup \catcode `\|=12 
-%   <code to deal with the label |-  >
-% \endgroup 
+% \begingroup \catcode `\|=12
+%     <code to deal with the label |-  >
+% \endgroup
 % into the .aux file.
 %
 \def\pgfmanualpdflabel{\pgfutil@ifnextchar[{\pgfmanualpdflabel@opt}{\pgfmanualpdflabel@opt[]}}%
 \def\pgfmanualpdflabel@opt[#1]#2#3{%
-	\begingroup
-	%
-	\def\pgfmanualpdf@catcode{#1}%
-	\pgfmanualpdf@catcode
-	%
-	\pgfmanualpdflabel@generate{#2}{#3}%
-	%
-	% this is pgfplots-specific: pgfplots supports generic styles which
-	% contain '\x' where '\x' iterates through 'x,y,z'.
-	\pgfutil@in@\x{#2}%
-	\ifpgfutil@in@
-		\def\x{y}%
-		\pgfmanualpdflabel@generate{#2}{#3}%
-		\def\x{z}%
-		\pgfmanualpdflabel@generate{#2}{#3}%
-	\fi
-	\endgroup
+    \begingroup
+    %
+    \def\pgfmanualpdf@catcode{#1}%
+    \pgfmanualpdf@catcode
+    %
+    \pgfmanualpdflabel@generate{#2}{#3}%
+    %
+    % this is pgfplots-specific: pgfplots supports generic styles which
+    % contain '\x' where '\x' iterates through 'x,y,z'.
+    \pgfutil@in@\x{#2}%
+    \ifpgfutil@in@
+        \def\x{y}%
+        \pgfmanualpdflabel@generate{#2}{#3}%
+        \def\x{z}%
+        \pgfmanualpdflabel@generate{#2}{#3}%
+    \fi
+    \endgroup
 }%
 \def\pgfmanualpdflabel@generate#1#2{%
-	\pgfmanual@handlespeciallabeltokens@in{#1}%
-	%
-	\def\pgfmanualpdflabel@generateone{0}%
-	\pgfutil@ifundefined{pgfd@lbl@\pgfmanualpdflabel@@}{%
-		% ok, no such label is known.
-		\def\pgfmanualpdflabel@generateone{1}%
-	}{%
-		\if\csname pgfd@lbl@\pgfmanualpdflabel@@\endcsname a% "a"ux
-			% ah, it is "just" known from a previous run, but there is
-			% no code in the pdf! Write it!
-			\def\pgfmanualpdflabel@generateone{1}%
-		\else
-			% ok, we already wrote one before. Skip.
-		\fi
-	}%
-	\if\pgfmanualpdflabel@generateone1%
-		\ifpgfmanualshowlabels
-			\pgfkeysvalueof{/pdflinks/show labels code/.@cmd}{\pgfmanualpdflabel@@}\pgfeov
-		\fi
-		%
-		\if@filesw
-		\ifx\pgfmanualpdf@catcode\pgfutil@empty
-		\else
-			\toks0=\expandafter{\pgfmanualpdf@catcode}%
-			\immediate\write\@auxout{%
-				\noexpand\begingroup
-				\the\toks0
-			}%
-		\fi
-		\immediate\write\@auxout{%
-			\noexpand\expandafter\noexpand\gdef
-			\noexpand\csname pgfd@lbl@\pgfmanualpdflabel@@\noexpand\endcsname{a}% a = known in "a"ux file
-		}%
-		\ifx\pgfmanualpdf@catcode\pgfutil@empty
-		\else
-			\immediate\write\@auxout{\noexpand\endgroup}%
-		\fi
-		\fi
-		\expandafter\gdef\csname pgfd@lbl@\pgfmanualpdflabel@@\endcsname{w}% 1. remember the label AND remember that we "w"rote it into the pdf.
-		\edef\pgfmanualpdflabel@@{\pgfkeysvalueof{/pdflinks/internal link prefix}.\pgfmanualpdflabel@@}%
-                \ifvmode%
-                  \expandafter\cleanedhypertarget\expandafter{\pgfmanualpdflabel@@}{#2}%
-                \else%
-                  {\setbox0=\hbox{\raise1em\hbox{\expandafter\cleanedhypertarget\expandafter{\pgfmanualpdflabel@@}{}}}\ht0=0pt\box0}#2%
-                \fi%
-	\else
-		#2%
-	\fi
+    \pgfmanual@handlespeciallabeltokens@in{#1}%
+    %
+    \def\pgfmanualpdflabel@generateone{0}%
+    \pgfutil@ifundefined{pgfd@lbl@\pgfmanualpdflabel@@}{%
+        % ok, no such label is known.
+        \def\pgfmanualpdflabel@generateone{1}%
+    }{%
+        \if\csname pgfd@lbl@\pgfmanualpdflabel@@\endcsname a% "a"ux
+            % ah, it is "just" known from a previous run, but there is
+            % no code in the pdf! Write it!
+            \def\pgfmanualpdflabel@generateone{1}%
+        \else
+            % ok, we already wrote one before. Skip.
+        \fi
+    }%
+    \if\pgfmanualpdflabel@generateone1%
+        \ifpgfmanualshowlabels
+            \pgfkeysvalueof{/pdflinks/show labels code/.@cmd}{\pgfmanualpdflabel@@}\pgfeov
+        \fi
+        %
+        \if@filesw
+        \ifx\pgfmanualpdf@catcode\pgfutil@empty
+        \else
+            \toks0=\expandafter{\pgfmanualpdf@catcode}%
+            \immediate\write\@auxout{%
+                \noexpand\begingroup
+                \the\toks0
+            }%
+        \fi
+        \immediate\write\@auxout{%
+            \noexpand\expandafter\noexpand\gdef
+            \noexpand\csname pgfd@lbl@\pgfmanualpdflabel@@\noexpand\endcsname{a}% a = known in "a"ux file
+        }%
+        \ifx\pgfmanualpdf@catcode\pgfutil@empty
+        \else
+            \immediate\write\@auxout{\noexpand\endgroup}%
+        \fi
+        \fi
+        \expandafter\gdef\csname pgfd@lbl@\pgfmanualpdflabel@@\endcsname{w}% 1. remember the label AND remember that we "w"rote it into the pdf.
+        \edef\pgfmanualpdflabel@@{\pgfkeysvalueof{/pdflinks/internal link prefix}.\pgfmanualpdflabel@@}%
+        \ifvmode%
+          \expandafter\cleanedhypertarget\expandafter{\pgfmanualpdflabel@@}{#2}%
+        \else%
+          {\setbox0=\hbox{\raise1em\hbox{\expandafter\cleanedhypertarget\expandafter{\pgfmanualpdflabel@@}{}}}\ht0=0pt\box0}#2%
+        \fi%
+    \else
+        #2%
+    \fi
 }%
 
 % A pdf reference to label `#1' with (TeX) text `#2'.
 % @see also \verbpdfref.
 \def\pgfmanualpdfref#1#2{%
-	\begingroup
-	\pgfmanual@handlespeciallabeltokens@in{#1}%
-	%
-	\ifcsname pgfd@lbl@\pgfmanualpdflabel@@\endcsname
-	\else
-		\global\let\pgfmanual@glob=\pgfmanualpdflabel@@
-		\def\pgfmanual@tempa{\foreach \prefix in }%
-		\pgfkeysgetvalue{/pdflinks/search key prefixes in}\pgfmanual@tempb
-		\expandafter\pgfmanual@tempa\expandafter{\pgfmanual@tempb}{%
-			\edef\pgfmanualpdflabel@@{\prefix\pgfmanualpdflabel@@}%
-			\expandafter\pgfmanual@handlespeciallabeltokens@in\expandafter{\pgfmanualpdflabel@@}%
-			\ifcsname pgfd@lbl@\pgfmanualpdflabel@@\endcsname
-				\xdef\pgfmanual@glob{\pgfmanualpdflabel@@}%
-				\breakforeach
-			\fi
-		}%
-		\let\pgfmanualpdflabel@@=\pgfmanual@glob
-		\ifcsname pgfd@lbl@\pgfmanualpdflabel@@\endcsname
-		\else
-			\ifpgfmanualpdfwarnings
-				\begingroup
-					\toks0={#1}%
-					\pgfmanual@warning{pgfmanualpdfref{\the\toks0 }: target label does not exist.}%
-				\endgroup
-			\fi
-			#2%
-			\let\pgfmanualpdflabel@@=\pgfutil@empty
-		\fi
-	\fi
-	\ifx\pgfmanualpdflabel@@\pgfutil@empty
-	\else
-		\expandafter\pgfmanualpdfref@\expandafter{\pgfmanualpdflabel@@}{#2}%
-	\fi
-	\endgroup
+    \begingroup
+    \pgfmanual@handlespeciallabeltokens@in{#1}%
+    %
+    \ifcsname pgfd@lbl@\pgfmanualpdflabel@@\endcsname
+    \else
+        \global\let\pgfmanual@glob=\pgfmanualpdflabel@@
+        \def\pgfmanual@tempa{\foreach \prefix in }%
+        \pgfkeysgetvalue{/pdflinks/search key prefixes in}\pgfmanual@tempb
+        \expandafter\pgfmanual@tempa\expandafter{\pgfmanual@tempb}{%
+            \edef\pgfmanualpdflabel@@{\prefix\pgfmanualpdflabel@@}%
+            \expandafter\pgfmanual@handlespeciallabeltokens@in\expandafter{\pgfmanualpdflabel@@}%
+            \ifcsname pgfd@lbl@\pgfmanualpdflabel@@\endcsname
+                \xdef\pgfmanual@glob{\pgfmanualpdflabel@@}%
+                \breakforeach
+            \fi
+        }%
+        \let\pgfmanualpdflabel@@=\pgfmanual@glob
+        \ifcsname pgfd@lbl@\pgfmanualpdflabel@@\endcsname
+        \else
+            \ifpgfmanualpdfwarnings
+                \begingroup
+                    \toks0={#1}%
+                    \pgfmanual@warning{pgfmanualpdfref{\the\toks0 }: target label does not exist.}%
+                \endgroup
+            \fi
+            #2%
+            \let\pgfmanualpdflabel@@=\pgfutil@empty
+        \fi
+    \fi
+    \ifx\pgfmanualpdflabel@@\pgfutil@empty
+    \else
+        \expandafter\pgfmanualpdfref@\expandafter{\pgfmanualpdflabel@@}{#2}%
+    \fi
+    \endgroup
 }%
 \def\pgfmanualpdfref@#1#2{%
-	\pgfkeysgetvalue{/pdflinks/internal link prefix}\pgfmanual@temp
-	\expandafter\cleanedhyperlink\expandafter{\pgfmanual@temp.#1}{\pgfkeysvalueof{/pdflinks/render hyperlink/.@cmd}{#2}\pgfeov}%
-	\ifpgfmanualshowlabels
-		\pgfkeysvalueof{/pdflinks/show labels code/.@cmd}{#1}\pgfeov
-	\fi
+    \pgfkeysgetvalue{/pdflinks/internal link prefix}\pgfmanual@temp
+    \expandafter\cleanedhyperlink\expandafter{\pgfmanual@temp.#1}{\pgfkeysvalueof{/pdflinks/render hyperlink/.@cmd}{#2}\pgfeov}%
+    \ifpgfmanualshowlabels
+        \pgfkeysvalueof{/pdflinks/show labels code/.@cmd}{#1}\pgfeov
+    \fi
 }%
 
 % Handles special tokens in a pdf label which should be treated with
 % care.
 %
-% For example, backslashes might produce problems. 
-% This occurs quite frequently with automatically generated hyperrefs 
-% inside of codeexamples where \pgfmanualpdfref will be invoked - 
-% there, we get the catcode 12 backslashes. 
+% For example, backslashes might produce problems.
+% This occurs quite frequently with automatically generated hyperrefs
+% inside of codeexamples where \pgfmanualpdfref will be invoked -
+% there, we get the catcode 12 backslashes.
 % Check for them!
 %
 % #1: a token list which shall be used either as cross ref or as
@@ -308,24 +308,24 @@
 % On output, the macro \pgfmanualpdflabel@@ will be '\edef'ed to the
 % new, possibly modified value.
 \def\pgfmanual@handlespeciallabeltokens@in#1{%
-	\begingroup
-	\pgfmanualpdf@installreplacements
-	\expandafter\pgfutil@in@\pgfmanual@pretty@backslash{#1}%
-	\ifpgfutil@in@
-		% assume the backslash is the first char and substitute it:
-		\pgfmanualpdfref@substitute@backslash#1\relax
-	\else
-		\edef\pgfmanualpdflabel@@{#1}%
-	\fi
-	\def\pgfmanual@tmp{\pgfutilstrreplace{ }{\space}}%
-	\expandafter\pgfmanual@tmp\expandafter{\pgfmanualpdflabel@@}%
-	\edef\pgfmanualpdflabel@@{\pgfretval}%
-	\pgfmath@smuggleone\pgfmanualpdflabel@@
-	\endgroup
+    \begingroup
+    \pgfmanualpdf@installreplacements
+    \expandafter\pgfutil@in@\pgfmanual@pretty@backslash{#1}%
+    \ifpgfutil@in@
+        % assume the backslash is the first char and substitute it:
+        \pgfmanualpdfref@substitute@backslash#1\relax
+    \else
+        \edef\pgfmanualpdflabel@@{#1}%
+    \fi
+    \def\pgfmanual@tmp{\pgfutilstrreplace{ }{\space}}%
+    \expandafter\pgfmanual@tmp\expandafter{\pgfmanualpdflabel@@}%
+    \edef\pgfmanualpdflabel@@{\pgfretval}%
+    \pgfmath@smuggleone\pgfmanualpdflabel@@
+    \endgroup
 }%
 
 \expandafter\def\expandafter\pgfmanualpdfref@substitute@backslash\expandafter#\expandafter1\pgfmanual@pretty@backslash#2\relax{%
-	\edef\pgfmanualpdflabel@@{#1\textbackslash #2}%
+    \edef\pgfmanualpdflabel@@{#1\textbackslash #2}%
 }%
 
 % Typesets '#1' in red,\texttt like every declaration. It will also
@@ -337,103 +337,103 @@
 %
 % \declareandlabel{\controlsequence}  can be used as |\controlsequence|
 \def\declareandlabel{%
-	\begingroup
-	\pgfmanual@verb@preparecatcodes@
-	\def\pgfmanualprettyprinterhandlecollectedargs##1{%
-		\pgfmanualpdflabel##1{\texttt{\declare##1}}% mark: '##1' contains already braces.
-		\endgroup
-	}%
-	\pgfmanualprettyprintercollectargcount1{\relax}%
+    \begingroup
+    \pgfmanual@verb@preparecatcodes@
+    \def\pgfmanualprettyprinterhandlecollectedargs##1{%
+        \pgfmanualpdflabel##1{\texttt{\declare##1}}% mark: '##1' contains already braces.
+        \endgroup
+    }%
+    \pgfmanualprettyprintercollectargcount1{\relax}%
 }
 
-% 
+%
 % \verbpdfref{\controlsequence more stuff}
 % is the same as writing |\controlsequence more stuff|, but the
 % *complete* argument is supposed to be one label.
-% 
+%
 % The difference to \pgfmanualpdfref{...}{} is that the argument is
 % supposed to be verbatim text.
 \def\verbpdfref{%
-	\begingroup
-	\pgfmanual@verb@preparecatcodes@
-	\def\pgfmanualprettyprinterhandlecollectedargs##1{%
-		\pgfmanualpdfref##1{\texttt{##1}}% mark: '##1' contains already braces.
-		\endgroup
-	}%
-	\pgfmanualprettyprintercollectargcount1{\relax}%
+    \begingroup
+    \pgfmanual@verb@preparecatcodes@
+    \def\pgfmanualprettyprinterhandlecollectedargs##1{%
+        \pgfmanualpdfref##1{\texttt{##1}}% mark: '##1' contains already braces.
+        \endgroup
+    }%
+    \pgfmanualprettyprintercollectargcount1{\relax}%
 }
 
 % Prepare active vertical bars, |....| for auto-pretty cross
 % referencing.
 %
-% Example: 
+% Example:
 %  |\pgfkeys| -> will generate a hyperref!
 {
-	\catcode`\|=12
-	\gdef\pgfmanual@verb@bar{|}%
-%	\gdef\pgfmanual@verb@collect#1|{%
-%		% this command will also handle control sequences.
-%		\texttt{\pgfmanualprettyprintpgfkeys{#1}}%
-%		\endgroup
-%	}%
-	\catcode`\|=13
-	\gdef\pgfmanual@verb@activebar{|}%
+    \catcode`\|=12
+    \gdef\pgfmanual@verb@bar{|}%
+%    \gdef\pgfmanual@verb@collect#1|{%
+%        % this command will also handle control sequences.
+%        \texttt{\pgfmanualprettyprintpgfkeys{#1}}%
+%        \endgroup
+%    }%
+    \catcode`\|=13
+    \gdef\pgfmanual@verb@activebar{|}%
 }
 \def\pgfmanual@verb{%
-	\begingroup
-	\pgfmanual@verb@preparecatcodes@
-	\toksdef\t@pgfmanual@verb=0
-	\t@pgfmanual@verb={}%
-	\pgfmanual@verb@collect
+    \begingroup
+    \pgfmanual@verb@preparecatcodes@
+    \toksdef\t@pgfmanual@verb=0
+    \t@pgfmanual@verb={}%
+    \pgfmanual@verb@collect
 }
 % this version of \pgfmanual@verb@collect is less efficient than the
 % one uncommented above. BUT: it can auto-detect the case when
 % |...| has been provided somewhere where I can't change catcodes!
 % The other one would simply fail to compile.
 \def\pgfmanual@verb@collect#1{%
-	\def\pgfmanual@temp{#1}%
-	\ifx\pgfmanual@temp\pgfmanual@verb@bar
-		% ok, finish:
-		\edef\pgfmanual@verb@collect@next{%
-			% this command will also handle control sequences.
-			\noexpand\endgroup
-			\noexpand\texttt{\noexpand\pgfmanualprettyprintpgfkeys{\the\t@pgfmanual@verb}}%
-		}%
-	\else
-		\ifx\pgfmanual@temp\pgfmanual@verb@activebar
-			% ohoh... that should not happen! It means someone invoked
-			% |...| within an argument; I couln't change catcodes.
-			% Ok, resort to a simple fallback solution.
-			% FIXME : I have just realized that THIS DOESN'T PRESERVE SPACES
-			\edef\pgfmanual@verb@collect@next{%
-				\noexpand\endgroup
-				\noexpand\texttt{\the\t@pgfmanual@verb}%
-			}%
-		\else
-			\t@pgfmanual@verb=\expandafter{\the\t@pgfmanual@verb #1}%
-			\let\pgfmanual@verb@collect@next=\pgfmanual@verb@collect
-		\fi
-	\fi
-	\pgfmanual@verb@collect@next
+    \def\pgfmanual@temp{#1}%
+    \ifx\pgfmanual@temp\pgfmanual@verb@bar
+        % ok, finish:
+        \edef\pgfmanual@verb@collect@next{%
+            % this command will also handle control sequences.
+            \noexpand\endgroup
+            \noexpand\texttt{\noexpand\pgfmanualprettyprintpgfkeys{\the\t@pgfmanual@verb}}%
+        }%
+    \else
+        \ifx\pgfmanual@temp\pgfmanual@verb@activebar
+            % ohoh... that should not happen! It means someone invoked
+            % |...| within an argument; I couldn't change catcodes.
+            % Ok, resort to a simple fallback solution.
+            % FIXME : I have just realized that THIS DOESN'T PRESERVE SPACES
+            \edef\pgfmanual@verb@collect@next{%
+                \noexpand\endgroup
+                \noexpand\texttt{\the\t@pgfmanual@verb}%
+            }%
+        \else
+            \t@pgfmanual@verb=\expandafter{\the\t@pgfmanual@verb #1}%
+            \let\pgfmanual@verb@collect@next=\pgfmanual@verb@collect
+        \fi
+    \fi
+    \pgfmanual@verb@collect@next
 }%
 
 \AtBeginDocument{%
-	\ifpgfmanualprettyenabled
-		\catcode`\|=13
-		\expandafter\let\pgfmanual@verb@activebar=\pgfmanual@verb
-	\fi
+    \ifpgfmanualprettyenabled
+        \catcode`\|=13
+        \expandafter\let\pgfmanual@verb@activebar=\pgfmanual@verb
+    \fi
 }%
 
 \def\pgfmanual@verb@preparecatcodes@{%
-	\let\do\@makeother%
-	\dospecials%
-	\catcode`\%=12 % THATS IMPORTANT! Do *not* handle comments!
-	% these catcodes are expected by the pretty printer...
-	%\catcode`\^^M=13
-	\catcode`\ =13
-	\catcode`\^^I=13
-	\expandafter\def\pgfmanual@pretty@activespace{\space}%
-	\expandafter\def\pgfmanual@pretty@activetab{\space\space\space\space}%
+    \let\do\@makeother%
+    \dospecials%
+    \catcode`\%=12 % THATS IMPORTANT! Do *not* handle comments!
+    % these catcodes are expected by the pretty printer...
+    %\catcode`\^^M=13
+    \catcode`\ =13
+    \catcode`\^^I=13
+    \expandafter\def\pgfmanual@pretty@activespace{\space}%
+    \expandafter\def\pgfmanual@pretty@activetab{\space\space\space\space}%
 }%
 \endinput
 % vi: ts=4 sw=4
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