From 9da8ac113f97e68e91e3a1ef26467f9814eb4312 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Mon, 8 Apr 2019 17:23:59 +0000
Subject: pgf revert to previous release (r49607, committed 5jan19)

git-svn-id: svn://tug.org/texlive/trunk@50867 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 a23b9ad6861..bdae790399e 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 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
+	\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
 }%
 
 \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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