From 22536bb2b5257046d271b1eaa11b4a275d5ec041 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Sat, 5 Jan 2019 22:40:38 +0000
Subject: pgf (5jan19)

git-svn-id: svn://tug.org/texlive/trunk@49607 c570f23f-e606-0410-a88d-b1316a301751
---
 .../pgflibrarydecorations.text.code.tex            | 522 +++++++++++----------
 1 file changed, 266 insertions(+), 256 deletions(-)

(limited to 'Master/texmf-dist/tex/generic/pgf/libraries/decorations/pgflibrarydecorations.text.code.tex')

diff --git a/Master/texmf-dist/tex/generic/pgf/libraries/decorations/pgflibrarydecorations.text.code.tex b/Master/texmf-dist/tex/generic/pgf/libraries/decorations/pgflibrarydecorations.text.code.tex
index b13f3ce0199..4d31c46fcfc 100644
--- a/Master/texmf-dist/tex/generic/pgf/libraries/decorations/pgflibrarydecorations.text.code.tex
+++ b/Master/texmf-dist/tex/generic/pgf/libraries/decorations/pgflibrarydecorations.text.code.tex
@@ -7,138 +7,141 @@
 %
 % See the file doc/generic/pgf/licenses/LICENSE for more details.
 
-\usepgfmodule{decorations}
+\usepgfmodule{decorations}%
 
 
 % Options for text decorations
 
 \pgfkeys{
-  /pgf/decoration/.cd,
-  text/.store in=\pgfdecorationtext,%                                                 
-  text color/.store in=\pgf@lib@decorationtextcolor,%
-  text format delimiters/.code={\expandafter\pgfsetdecoratetextformatdelimiters#1},
-  text align/.code={\pgfkeys{/pgf/decoration/text align/.cd,#1}},
-	text align/.cd,
-	align/.initial=left,
-	left/.style={/pgf/decoration/text align/align=left},
-	right/.style={/pgf/decoration/text align/align=right},
-	center/.style={/pgf/decoration/text align/align=center},
-	left indent/.initial=0pt,
-	right indent/.initial=0pt,
-	fit to path/.is if=pgf@lib@dec@text@fit,
-	fit to path stretching spaces/.default=true,
-	fit to path stretching spaces/.code={%
-		\csname pgf@lib@dec@text@fit#1\endcsname%
-		\csname pgf@lib@dec@text@stretch@spaces#1\endcsname%
-	}%
-}
+    /pgf/decoration/.cd,
+    text/.store in=\pgfdecorationtext,%
+    text color/.store in=\pgf@lib@decorationtextcolor,%
+    text format delimiters/.code={\expandafter\pgfsetdecoratetextformatdelimiters#1},
+    text align/.code={\pgfkeys{/pgf/decoration/text align/.cd,#1}},
+        text align/.cd,
+        align/.initial=left,
+        left/.style={/pgf/decoration/text align/align=left},
+        right/.style={/pgf/decoration/text align/align=right},
+        center/.style={/pgf/decoration/text align/align=center},
+        left indent/.initial=0pt,
+        right indent/.initial=0pt,
+        fit to path/.is if=pgf@lib@dec@text@fit,
+        fit to path stretching spaces/.default=true,
+        fit to path stretching spaces/.code={%
+            \csname pgf@lib@dec@text@fit#1\endcsname%
+            \csname pgf@lib@dec@text@stretch@spaces#1\endcsname%
+        }%
+}%
 
 \newif\ifpgf@lib@dec@text@scan@space
 \newif\ifpgf@lib@dec@text@stretch@spaces
 \newif\ifpgf@lib@dec@text@fit
 
-\def\pgf@lib@decorationtextcolor{black}
+\def\pgf@lib@decorationtextcolor{black}%
 
-\def\pgf@lib@dec@text@left@text{left}
-\def\pgf@lib@dec@text@right@text{right}
-\def\pgf@lib@dec@text@right@center{center}
+\def\pgf@lib@dec@text@left@text{left}%
+\def\pgf@lib@dec@text@right@text{right}%
+\def\pgf@lib@dec@text@right@center{center}%
 
 % Decorates a path with a text. The path is removed during this
 % process
 
-\pgfdeclaredecoration{text along path}{initial}{
-\state{initial}[width=+0pt, next state=left indent, 
-	persistent precomputation={%
-		\edef\pgf@lib@dec@text@indent@left{\pgfkeysvalueof{/pgf/decoration/text align/left indent}}%
-		\edef\pgf@lib@dec@text@indent@right{\pgfkeysvalueof{/pgf/decoration/text align/right indent}}%
-		\edef\pgf@lib@dec@text@align{\pgfkeysvalueof{/pgf/decoration/text align/align}}%
-		\pgfdecoratedremainingdistance=\pgfdecoratedpathlength%
-	  \advance\pgfdecoratedremainingdistance by-\pgf@lib@dec@text@indent@right\relax%
-	  \edef\pgfdecoratedpathlength{\the\pgfdecoratedremainingdistance}%
-	  \pgf@lib@dec@text@getwidth%
-	  \pgf@x=\pgf@lib@dec@text@width\relax%
-	  \pgf@y=\pgfdecoratedremainingdistance%
-	  \ifpgf@lib@dec@text@fit%
-	  	\advance\pgf@y by-\pgf@lib@dec@text@indent@left\relax%
-	  	\advance\pgf@y by-\pgf@x%
-	  	\ifpgf@lib@dec@text@stretch@spaces%
-	  		\def\pgf@lib@dec@text@character@shift{0pt}%
-	  		\divide\pgf@y by\pgf@lib@dec@space@count\relax%
-	  		\edef\pgf@lib@dec@text@space@shift{\the\pgf@y}%
-	  	\else%
-		  	\c@pgf@counta=\pgf@lib@dec@character@count\relax%
-		  	\advance\c@pgf@counta by-1\relax%
-		  	\divide\pgf@y by\c@pgf@counta\relax%
-		  	\edef\pgf@lib@dec@text@character@shift{\the\pgf@y}%
-		  	\def\pgf@lib@dec@text@space@shift{0pt}%
-		  \fi%
-		  \ifdim\pgf@y<0pt\relax%
-		  	\pgf@lib@dec@text@fitfalse%
-		  	\pgf@lib@dec@text@stretch@spacesfalse%
-		  	\def\pgf@lib@dec@text@character@shift{0pt}%
-		  	\def\pgf@lib@dec@text@space@shift{0pt}%
-		  \fi%
-	  \else%
-	  	\def\pgf@lib@dec@text@character@shift{0pt}%
-	  	\def\pgf@lib@dec@text@space@shift{0pt}%
-		  \ifx\pgf@lib@dec@text@align\pgf@lib@dec@text@left@text%
-		  \else%
-		  	\ifx\pgf@lib@dec@text@align\pgf@lib@dec@text@right@text%
-		  		\advance\pgf@y by-\pgf@x%
-		  		\edef\pgf@lib@dec@text@indent@left{\the\pgf@y}%
-		  	\else%
-		  		\advance\pgf@y by-\pgf@x%
-		  		\advance\pgf@y by-\pgf@lib@dec@text@indent@left\relax%
-		  		\pgf@y=0.5\pgf@y%
-		  		\advance\pgf@y by\pgf@lib@dec@text@indent@left\relax%
-		  		\edef\pgf@lib@dec@text@indent@left{\the\pgf@y}%
-		  	\fi%
-		  \fi%
-	  \fi%
-	  \let\pgfdecorationrestoftext=\pgfdecorationtext%
-	}]{}
-\state{left indent}[width=+\pgf@lib@dec@text@indent@left, next state=scan]{}
+\pgfdeclaredecoration{text along path}{initial}{%
+    \state{initial}[
+        width=+0pt, next state=left indent,
+        persistent precomputation={%
+            \edef\pgf@lib@dec@text@indent@left{\pgfkeysvalueof{/pgf/decoration/text align/left indent}}%
+            \edef\pgf@lib@dec@text@indent@right{\pgfkeysvalueof{/pgf/decoration/text align/right indent}}%
+            \edef\pgf@lib@dec@text@align{\pgfkeysvalueof{/pgf/decoration/text align/align}}%
+            \pgfdecoratedremainingdistance=\pgfdecoratedpathlength%
+        \advance\pgfdecoratedremainingdistance by-\pgf@lib@dec@text@indent@right\relax%
+        \edef\pgfdecoratedpathlength{\the\pgfdecoratedremainingdistance}%
+        \pgf@lib@dec@text@getwidth%
+        \pgf@x=\pgf@lib@dec@text@width\relax%
+        \pgf@y=\pgfdecoratedremainingdistance%
+        \ifpgf@lib@dec@text@fit%
+            \advance\pgf@y by-\pgf@lib@dec@text@indent@left\relax%
+            \advance\pgf@y by-\pgf@x%
+            \ifpgf@lib@dec@text@stretch@spaces%
+                \def\pgf@lib@dec@text@character@shift{0pt}%
+                \divide\pgf@y by\pgf@lib@dec@space@count\relax%
+                \edef\pgf@lib@dec@text@space@shift{\the\pgf@y}%
+            \else%
+                \c@pgf@counta=\pgf@lib@dec@character@count\relax%
+                \advance\c@pgf@counta by-1\relax%
+                \divide\pgf@y by\c@pgf@counta\relax%
+                \edef\pgf@lib@dec@text@character@shift{\the\pgf@y}%
+                \def\pgf@lib@dec@text@space@shift{0pt}%
+            \fi%
+            \ifdim\pgf@y<0pt\relax%
+                \pgf@lib@dec@text@fitfalse%
+                \pgf@lib@dec@text@stretch@spacesfalse%
+                \def\pgf@lib@dec@text@character@shift{0pt}%
+                \def\pgf@lib@dec@text@space@shift{0pt}%
+            \fi%
+        \else%
+            \def\pgf@lib@dec@text@character@shift{0pt}%
+            \def\pgf@lib@dec@text@space@shift{0pt}%
+                \ifx\pgf@lib@dec@text@align\pgf@lib@dec@text@left@text%
+                \else%
+                    \ifx\pgf@lib@dec@text@align\pgf@lib@dec@text@right@text%
+                        \advance\pgf@y by-\pgf@x%
+                        \edef\pgf@lib@dec@text@indent@left{\the\pgf@y}%
+                    \else%
+                        \advance\pgf@y by-\pgf@x%
+                        \advance\pgf@y by-\pgf@lib@dec@text@indent@left\relax%
+                        \pgf@y=0.5\pgf@y%
+                        \advance\pgf@y by\pgf@lib@dec@text@indent@left\relax%
+                        \edef\pgf@lib@dec@text@indent@left{\the\pgf@y}%
+                    \fi%
+                \fi%
+        \fi%
+        \let\pgfdecorationrestoftext=\pgfdecorationtext%
+    }]{}%
+\state{left indent}[width=+\pgf@lib@dec@text@indent@left, next state=scan]{}%
 %
-\state{scan}[width=+0pt, next state=before typeset,
- persistent precomputation={
-   \pgf@lib@dec@text@scanchar%
-   \ifvoid\pgf@lib@dec@text@box%
-     \setbox\pgf@lib@dec@text@box\hbox{}%
-     \wd\pgf@lib@dec@text@box16383pt\relax%
-   \fi%
- }]{}
+\state{scan}[
+    width=+0pt,
+    next state=before typeset,
+    persistent precomputation={
+        \pgf@lib@dec@text@scanchar%
+        \ifvoid\pgf@lib@dec@text@box%
+            \setbox\pgf@lib@dec@text@box\hbox{}%
+            \wd\pgf@lib@dec@text@box16383pt\relax%
+        \fi%
+}]{}%
 %
-\state{before typeset}[width=+.5\wd\pgf@lib@dec@text@box, next state=typeset]{}
+\state{before typeset}[width=+.5\wd\pgf@lib@dec@text@box, next state=typeset]{}%
 %
 \state{typeset}[width=+0pt, next state=after typeset]
 {%
   \pgftransformxshift{+-.5\wd\pgf@lib@dec@text@box}%
   \setbox\pgf@hbox\hbox{\copy\pgf@lib@dec@text@box}%
   \pgfqboxsynced\pgf@hbox%
-}
+}%
 \state{after typeset}[width=+.5\wd\pgf@lib@dec@text@box, next state=shift,
-	persistent precomputation={%
-  	\ifpgf@lib@dec@text@fit%
-	  	\ifpgf@lib@dec@text@stretch@spaces%
-	  		\ifpgf@lib@dec@text@scan@space%
-	  			\let\pgf@lib@dec@text@shift=\pgf@lib@dec@text@space@shift%
-	  		\else%
-	  			\def\pgf@lib@dec@text@shift{0pt}%
-	  		\fi%
-	  	\else%
-		  	\let\pgf@lib@dec@text@shift=\pgf@lib@dec@text@character@shift%
-		  \fi%
-		\else%
-			\def\pgf@lib@dec@text@shift{0pt}%
-	  \fi%  
-  }]{}
-\state{shift}[width=+\pgf@lib@dec@text@shift, next state=scan]{}
-\state{final}{}
-}
+    persistent precomputation={%
+    \ifpgf@lib@dec@text@fit%
+        \ifpgf@lib@dec@text@stretch@spaces%
+            \ifpgf@lib@dec@text@scan@space%
+                \let\pgf@lib@dec@text@shift=\pgf@lib@dec@text@space@shift%
+            \else%
+                \def\pgf@lib@dec@text@shift{0pt}%
+            \fi%
+        \else%
+            \let\pgf@lib@dec@text@shift=\pgf@lib@dec@text@character@shift%
+          \fi%
+        \else%
+            \def\pgf@lib@dec@text@shift{0pt}%
+      \fi%
+  }]{}%
+\state{shift}[width=+\pgf@lib@dec@text@shift, next state=scan]{}%
+\state{final}{}%
+}%
 
 
 % \pgfsetdecoratetextformatdelimiters
-% 
+%
 % Set the delimiters for formatting in the text decoration.
 % NB: Catcodes for delimiters should be 11 or 12.
 %
@@ -153,18 +156,18 @@
 % \def\pgfdecoratetext{The [\it]very[+\color{green}]green[] sprouts.}
 %
 \def\pgfsetdecoratetextformatdelimiters#1#2{%
-	\def\pgf@lib@dec@text@formatchar{#1}%
-	\def\pgf@test{#2}%
-	\ifx\pgf@test\pgfutil@empty%
-		\def\pgf@lib@dec@text@collectformat##1#1{%
-		\pgf@lib@dec@text@@collectformat##1\pgf@stop}%
-	\else%
-		\def\pgf@lib@dec@text@collectformat##1#2{%
-			\pgf@lib@dec@text@@collectformat##1\pgf@stop}%
-	\fi%
-}
-
-\pgfsetdecoratetextformatdelimiters{|}{}
+    \def\pgf@lib@dec@text@formatchar{#1}%
+    \def\pgf@test{#2}%
+    \ifx\pgf@test\pgfutil@empty%
+        \def\pgf@lib@dec@text@collectformat##1#1{%
+        \pgf@lib@dec@text@@collectformat##1\pgf@stop}%
+    \else%
+        \def\pgf@lib@dec@text@collectformat##1#2{%
+            \pgf@lib@dec@text@@collectformat##1\pgf@stop}%
+    \fi%
+}%
+
+\pgfsetdecoratetextformatdelimiters{|}{}%
 
 \newbox\pgf@lib@dec@text@box
 \newif\ifpgf@lib@decorate@textmathmode
@@ -174,174 +177,181 @@
 \let\pgf@lib@dec@text@format=\pgfutil@empty
 
 \def\pgf@lib@dec@text@scanchar{%
-	\pgf@lib@dec@text@scan@spacefalse%
-	\ifx\pgfdecorationrestoftext\pgfutil@empty%
-		\let\pgf@lib@dec@text@char\pgfutil@empty%
-		\setbox\pgf@lib@dec@text@box\box\pgfutil@voidb@x%
-		\let\pgf@next\relax%
-	\else%
-		\let\pgf@next\pgf@lib@dec@text@@scanchar%
-	\fi%
-	\pgf@next}
-	
+    \pgf@lib@dec@text@scan@spacefalse%
+    \ifx\pgfdecorationrestoftext\pgfutil@empty%
+        \let\pgf@lib@dec@text@char\pgfutil@empty%
+        \setbox\pgf@lib@dec@text@box\box\pgfutil@voidb@x%
+        \let\pgf@next\relax%
+    \else\ifx\pgfdecorationrestoftext\pgf@lib@dec@mathshift%
+        \ifpgf@lib@decorate@textmathmode%
+          \pgf@lib@decorate@textmathmodefalse%
+        \fi%
+        \let\pgf@lib@dec@text@char\pgfutil@empty%
+        \setbox\pgf@lib@dec@text@box\box\pgfutil@voidb@x%
+        \let\pgf@next\relax%
+    \else
+        \let\pgf@next\pgf@lib@dec@text@@scanchar%
+    \fi\fi%
+    \pgf@next}%
+
 \def\pgf@lib@dec@text@@scanchar{%
-	\expandafter\pgf@lib@dec@text@@@scanchar\pgfdecorationrestoftext\pgf@stop}
+    \expandafter\pgf@lib@dec@text@@@scanchar\pgfdecorationrestoftext\pgf@stop}%
 
 \def\pgf@lib@dec@text@@@scanchar{%
-	\futurelet\pgf@lib@dec@lettoken%
-	\pgf@lib@dec@text@@@@scanchar}
-	
+    \futurelet\pgf@lib@dec@lettoken%
+    \pgf@lib@dec@text@@@@scanchar}%
+
 \def\pgf@lib@dec@text@@@@scanchar{%
-	\ifx\pgf@lib@dec@lettoken\pgfutil@sptoken%
-		\let\pgf@next\pgf@lib@dec@text@insertspace%
-	\else%
-		\let\pgf@next\pgf@lib@dec@text@@@@@scanchar%
-	\fi%
-	\pgf@next}
+    \ifx\pgf@lib@dec@lettoken\pgfutil@sptoken%
+        \let\pgf@next\pgf@lib@dec@text@insertspace%
+    \else%
+        \let\pgf@next\pgf@lib@dec@text@@@@@scanchar%
+    \fi%
+    \pgf@next}%
 
 \def\pgf@lib@dec@text@@@@@scanchar{%
-	\pgfutil@ifnextchar\bgroup{\pgf@lib@dec@text@collectgroup}%
-		{\pgf@lib@dec@text@@@@@@scanchar}}
-		
+    \pgfutil@ifnextchar\bgroup{\pgf@lib@dec@text@collectgroup}%
+        {\pgf@lib@dec@text@@@@@@scanchar}}%
+
 \def\pgf@lib@dec@text@collectgroup#1{%
-	\def\pgf@lib@dec@text@char{#1}%
-	\pgf@lib@dec@text@collectrestoftext}
-	
+    \def\pgf@lib@dec@text@char{#1}%
+    \pgf@lib@dec@text@collectrestoftext}%
+
 \def\pgf@lib@dec@text@@@@@@scanchar#1{%
-	\ifx#1\pgf@stop%
-		\pgf@lib@dec@text@box\box\pgfutil@voidb@x%
-		\let\pgf@next\pgf@lib@dec@text@endoftext%
-	\else%
-		\def\pgf@lib@dec@text@char{#1}%
-		\ifx#1\space%
-			\let\pgf@next\pgf@lib@dec@text@collectrestoftext%
-		\else%
-			\ifx#1\ %
-				\let\pgf@next\pgf@lib@dec@text@collectrestoftext%
-			\else%
-				\ifx\pgf@lib@dec@text@char\pgf@lib@dec@text@formatchar%
-					\let\pgf@next\pgf@lib@dec@text@collectformat%
-				\else%
-					\expandafter\ifcat\noexpand#1\relax%
-						\let\pgf@next\pgf@lib@dec@text@expandcs%
-					\else%
-						\ifnum\catcode`#1=3\relax%
-							\ifpgf@lib@decorate@textmathmode%
-								\pgf@lib@decorate@textmathmodefalse%
-							\else%
-								\pgf@lib@decorate@textmathmodetrue%
-							\fi%
-							\let\pgf@next\pgf@lib@dec@text@@@scanchar%
-						\else%
-							\let\pgf@next\pgf@lib@dec@text@collectrestoftext%
-						\fi%
-					\fi%
-				\fi%
-			\fi%
-		\fi%
-	\fi%
-	\pgf@next%
-}
+    \ifx#1\pgf@stop%
+        \pgf@lib@dec@text@box\box\pgfutil@voidb@x%
+        \let\pgf@next\pgf@lib@dec@text@endoftext%
+    \else%
+        \def\pgf@lib@dec@text@char{#1}%
+        \ifx#1\space%
+            \let\pgf@next\pgf@lib@dec@text@collectrestoftext%
+        \else%
+            \ifx#1\ %
+                \let\pgf@next\pgf@lib@dec@text@collectrestoftext%
+            \else%
+                \ifx\pgf@lib@dec@text@char\pgf@lib@dec@text@formatchar%
+                    \let\pgf@next\pgf@lib@dec@text@collectformat%
+                \else%
+                    \expandafter\ifcat\noexpand#1\relax%
+                        \let\pgf@next\pgf@lib@dec@text@expandcs%
+                    \else%
+                        \ifnum\catcode`#1=3\relax%
+                            \ifpgf@lib@decorate@textmathmode%
+                                \pgf@lib@decorate@textmathmodefalse%
+                            \else%
+                                \pgf@lib@decorate@textmathmodetrue%
+                            \fi%
+                            \let\pgf@next\pgf@lib@dec@text@@@scanchar%
+                        \else%
+                            \let\pgf@next\pgf@lib@dec@text@collectrestoftext%
+                        \fi%
+                    \fi%
+                \fi%
+            \fi%
+        \fi%
+    \fi%
+    \pgf@next%
+}%
 
 \def\pgf@lib@dec@text@@collectformat{%
-	\pgfutil@ifnextchar+{\pgf@lib@dec@text@addtoformat}{\pgf@lib@dec@text@setformat}}
-	
+    \pgfutil@ifnextchar+{\pgf@lib@dec@text@addtoformat}{\pgf@lib@dec@text@setformat}}%
+
 \def\pgf@lib@dec@text@setformat#1\pgf@stop{%
-	\def\pgf@lib@dec@text@format{#1}%
-	\pgf@lib@dec@text@@@scanchar%
-}
+    \def\pgf@lib@dec@text@format{#1}%
+    \pgf@lib@dec@text@@@scanchar%
+}%
 
 \def\pgf@lib@dec@text@addtoformat+#1\pgf@stop{%
-	\expandafter\def\expandafter\pgf@lib@dec@text@format\expandafter{\pgf@lib@dec@text@format#1}%
-	\pgf@lib@dec@text@@@scanchar%
-}
+    \expandafter\def\expandafter\pgf@lib@dec@text@format\expandafter{\pgf@lib@dec@text@format#1}%
+    \pgf@lib@dec@text@@@scanchar%
+}%
 
 \def\pgf@lib@dec@text@insertspace{%
-	\pgf@lib@dec@text@scan@spacetrue%
-	\pgfutil@ifnextchar\bgroup{\pgf@lib@dec@text@@insertspacegrp}%
-		{\pgf@lib@dec@text@@insertspace}}
-				
+    \pgf@lib@dec@text@scan@spacetrue%
+    \pgfutil@ifnextchar\bgroup{\pgf@lib@dec@text@@insertspacegrp}%
+        {\pgf@lib@dec@text@@insertspace}}%
+
 \def\pgf@lib@dec@text@@insertspacegrp#1{%
-	\pgf@lib@dec@text@@@@@@scanchar\space{#1}}
-	
+    \pgf@lib@dec@text@@@@@@scanchar\space{#1}}%
+
 \def\pgf@lib@dec@text@@insertspace#1{%
-	\pgf@lib@dec@text@@@@@@scanchar\space#1}
-	
+    \pgf@lib@dec@text@@@@@@scanchar\space#1}%
+
 \def\pgf@lib@dec@text@expandcs{%
-	\expandafter\expandafter\expandafter\pgf@lib@dec@text@@@@@scanchar%
-		\pgf@lib@dec@text@char}
+    \expandafter\expandafter\expandafter\pgf@lib@dec@text@@@@@scanchar%
+        \pgf@lib@dec@text@char}%
 
 \def\pgf@lib@dec@text@endoftext{%
-	\let\pgfdecoraterestoftext\pgfutil@empty%
-	\let\pgf@lib@dec@text@char\pgfutil@empty%
-}
+    \let\pgfdecorationrestoftext\pgfutil@empty%
+    \let\pgf@lib@dec@text@char\pgfutil@empty%
+}%
 \def\pgf@lib@dec@text@collectrestoftext{%
-	\pgf@lib@dec@text@dobox%
-	\futurelet\pgf@lib@dec@text@lettoken%
-	\pgf@lib@dec@text@@collectrestoftext}
+    \pgf@lib@dec@text@dobox%
+    \futurelet\pgf@lib@dec@text@lettoken%
+    \pgf@lib@dec@text@@collectrestoftext}%
 
 \def\pgf@lib@dec@text@@collectrestoftext{%
-	\ifx\bgroup\pgf@lib@dec@text@lettoken%
-		\let\pgf@next\pgf@lib@dec@text@@@collectrestoftextgrp%
-	\else%
-		\let\pgf@next\pgf@lib@dec@text@@@collectrestoftext%
-	\fi%
-	\pgf@next}
-	
+    \ifx\bgroup\pgf@lib@dec@text@lettoken%
+        \let\pgf@next\pgf@lib@dec@text@@@collectrestoftextgrp%
+    \else%
+        \let\pgf@next\pgf@lib@dec@text@@@collectrestoftext%
+    \fi%
+    \pgf@next}%
+
 \def\pgf@lib@dec@text@@@collectrestoftextgrp#1#2\pgf@stop{\def\pgfdecorationrestoftext{{#1}#2}%
-}
+}%
 
-\def\pgf@lib@dec@text@@@collectrestoftext#1\pgf@stop{\def\pgfdecorationrestoftext{#1}}
+\def\pgf@lib@dec@text@@@collectrestoftext#1\pgf@stop{\def\pgfdecorationrestoftext{#1}}%
 
 {%
-	\catcode`\$3 %
-	\gdef\pgf@lib@dec@mathshift{$}%
-	\catcode`\$9 $% For editors with annoying syntax highlighting.
+    \catcode`\$3 %
+    \gdef\pgf@lib@dec@mathshift{$}%
+    \catcode`\$9 $% For editors with annoying syntax highlighting.
 }%
 
 \def\pgf@lib@dec@text@dobox{%
-	\setbox\pgf@lib@dec@text@box\hbox{%
-		\pgfinterruptpicture%
-		\begingroup%
-			\pgfsetcolor{\pgf@lib@decorationtextcolor}%
-			\ifpgf@lib@decorate@textmathmode\pgf@lib@dec@mathshift\fi%
-				\pgf@lib@dec@text@format\relax%
-				\pgf@lib@dec@text@char%
-			\ifpgf@lib@decorate@textmathmode\pgf@lib@dec@mathshift\fi%
-		\endgroup%
-		\endpgfinterruptpicture%
-	}%
-}
+    \setbox\pgf@lib@dec@text@box\hbox{%
+        \pgfinterruptpicture%
+        \begingroup%
+            \pgfsetcolor{\pgf@lib@decorationtextcolor}%
+            \ifpgf@lib@decorate@textmathmode\pgf@lib@dec@mathshift\fi%
+                \pgf@lib@dec@text@format\relax%
+                \pgf@lib@dec@text@char%
+            \ifpgf@lib@decorate@textmathmode\pgf@lib@dec@mathshift\fi%
+        \endgroup%
+        \endpgfinterruptpicture%
+    }%
+}%
 
 \def\pgf@lib@dec@text@getwidth{%
-	\begingroup%
-		\let\c@pgf@lib@dec@characters=\c@pgf@counta%
-		\let\c@pgf@lib@dec@spaces=\c@pgf@countb%
-		\let\pgfdecorationrestoftext=\pgfdecorationtext%
-		\c@pgf@lib@dec@spaces=0\relax%
-		\c@pgf@lib@dec@characters=0\relax%
-		\pgfmathloop%
-			\pgf@lib@dec@text@scanchar%
-			\ifvoid\pgf@lib@dec@text@box%
-			\else%
-				\setbox\pgf@hbox=\hbox{{%
-					\unhbox\pgf@hbox%
-					\unhbox\pgf@lib@dec@text@box%
-				}}%
-				\advance\c@pgf@lib@dec@characters by1\relax%
-				\ifpgf@lib@dec@text@scan@space%
-					\advance\c@pgf@lib@dec@spaces by1\relax%
-				\fi%
-		\repeatpgfmathloop%
-		\global\pgf@x=\the\wd\pgf@hbox%
-		\xdef\pgf@lib@dec@temp{\the\c@pgf@lib@dec@characters}%
-		\xdef\pgf@lib@dec@@temp{\the\c@pgf@lib@dec@spaces}%
-	\endgroup%
-	\edef\pgf@lib@dec@text@width{\the\pgf@x}%
-	\let\pgf@lib@dec@character@count=\pgf@lib@dec@temp%
-	\let\pgf@lib@dec@space@count=\pgf@lib@dec@@temp%
-}
-
-
-
-\endinput
\ No newline at end of file
+    \begingroup%
+        \let\c@pgf@lib@dec@characters=\c@pgf@counta%
+        \let\c@pgf@lib@dec@spaces=\c@pgf@countb%
+        \let\pgfdecorationrestoftext=\pgfdecorationtext%
+        \c@pgf@lib@dec@spaces=0\relax%
+        \c@pgf@lib@dec@characters=0\relax%
+        \pgfmathloop%
+            \pgf@lib@dec@text@scanchar%
+            \ifvoid\pgf@lib@dec@text@box%
+            \else%
+                \setbox\pgf@hbox=\hbox{{%
+                    \unhbox\pgf@hbox%
+                    \unhbox\pgf@lib@dec@text@box%
+                }}%
+                \advance\c@pgf@lib@dec@characters by1\relax%
+                \ifpgf@lib@dec@text@scan@space%
+                    \advance\c@pgf@lib@dec@spaces by1\relax%
+                \fi%
+        \repeatpgfmathloop%
+        \global\pgf@x=\the\wd\pgf@hbox%
+        \xdef\pgf@lib@dec@temp{\the\c@pgf@lib@dec@characters}%
+        \xdef\pgf@lib@dec@@temp{\the\c@pgf@lib@dec@spaces}%
+    \endgroup%
+    \edef\pgf@lib@dec@text@width{\the\pgf@x}%
+    \let\pgf@lib@dec@character@count=\pgf@lib@dec@temp%
+    \let\pgf@lib@dec@space@count=\pgf@lib@dec@@temp%
+}%
+
+
+
+\endinput
-- 
cgit v1.2.3

