pgf (5jan19)

git-svn-id: svn://tug.org/texlive/trunk@49607 c570f23f-e606-0410-a88d-b1316a301751

2 files changed, 427 insertions, 431 deletions

diff --git a/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.code.tex b/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.code.tex
index 3f17447fdda..27f0ed4aba5 100644
--- a/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.code.tex
+++ b/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.code.tex
@@ -8,14 +8,14 @@
 %
 % See the file doc/generic/pgf/licenses/LICENSE for more details.
 
-\ProvidesFileRCS[v\pgfversion] $Header: /cvsroot/pgf/pgf/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.code.tex,v 1.44 2015/06/05 12:41:59 tantau Exp $
+\ProvidesFileRCS{tikzlibrarygraphs.code.tex}
 
 
-% 
-% Interface keys 
+%
+% Interface keys
 %
 
-\def\tikzgraphsset{\pgfqkeys{/tikz/graphs}}
+\def\tikzgraphsset{\pgfqkeys{/tikz/graphs}}%
 
 \tikzgraphsset{
   new ->/.code n args={4}{%
@@ -40,18 +40,18 @@
       edge[#3] #4
       (#2\tikzgraphrightanchor);
   }
-}
+}%
 
 
 \def\tikz@lib@graph@store@anchor#1#2{%
-  \def\tikz@temp{#1}
+  \def\tikz@temp{#1}%
   \ifx\tikz@temp\pgfutil@empty%
     \let#2\tikz@temp%
   \else%
-    \def\tikz@temp{.#1}
+    \def\tikz@temp{.#1}%
     \let#2\tikz@temp%
-  \fi%    
-}
+  \fi%
+}%
 
 \tikzgraphsset{
   default edge kind/.initial=--,
@@ -65,17 +65,17 @@
   right anchor/.code=\tikz@lib@graph@store@anchor{#1}{\tikzgraphrightanchor},
   left anchor=,
   right anchor=
-}
+}%
 
 
 %
 % Keys for using nodes declared outside a graph inside a graph as if
 % it were declared there
-% 
+%
 
 \tikzgraphsset{
   use existing nodes/.is if=tikz@lib@graph@all
-}
+}%
 
 \tikzset{
   new set/.code={
@@ -88,13 +88,13 @@
       \expandafter\expandafter\expandafter\pgfutil@g@addto@macro\expandafter\pgf@temp\expandafter{\expandafter\tikz@lg@do\expandafter{\tikz@fig@name}}%
     }%
   },%
-}
+}%
 
 \newif\iftikz@lib@graph@all
 
 
-% 
-% Simple versus multi graphs 
+%
+% Simple versus multi graphs
 %
 \tikzgraphsset{
   simple/.code={
@@ -108,7 +108,7 @@
   multi/.code={
     \tikz@lib@graph@simplefalse%
   }
-}
+}%
 
 \newif\iftikz@lib@graph@simple
 
@@ -118,17 +118,17 @@
   % #3 = to
   % #4 = options
   % #5 = edge nodes
-  % 
+  %
   % Ok, first, test, whether edge exists:
   \ifcsname tikz@lg@e@#3@#2\endcsname%
     \expandafter\global\expandafter\let\csname tikz@lg@e@#3@#2\endcsname\relax% reset
   \fi%
   \expandafter\gdef\csname tikz@lg@e@#2@#3\endcsname{\tikz@lib@graph@make@simple@edge{#1}{#2}{#3}{#4}{#5}}%
-}
+}%
 
 \def\tikz@lib@graph@make@simple@edge#1#2#3#4#5{%
   \pgfqkeys{/tikz/graphs}{new #1={#2}{#3}{#4}{#5}}%
-}
+}%
 
 
 \def\tikz@lib@graph@simple@done{%
@@ -137,26 +137,26 @@
     \let\tikz@lg@do\tikz@lib@graph@simple@node%
     \tikz@lib@graph@node@list
   }%
-}
+}%
 
 \def\tikz@lib@graph@simple@node#1{%
   {%
     \def\tikz@lib@graph@simple@from@node{#1}%
     \let\tikz@lg@do\tikz@lib@graph@simple@other@node%
     \tikz@lib@graph@node@list%
-  }%    
-}
+  }%
+}%
 
 \def\tikz@lib@graph@simple@other@node#1{%
   \ifcsname tikz@lg@e@\tikz@lib@graph@simple@from@node @#1\endcsname%
     \csname tikz@lg@e@\tikz@lib@graph@simple@from@node @#1\endcsname%
     \expandafter\global\expandafter\let\csname tikz@lg@e@\tikz@lib@graph@simple@from@node @#1\endcsname\relax%
   \fi%
-}
+}%
 
 
-% 
-% Basic options 
+%
+% Basic options
 %
 
 \tikzgraphsset{
@@ -172,7 +172,7 @@
   @operators/.initial=,
   operator/.style={/tikz/graphs/@operators/.append={#1}},
   @extra group options/.style=,
-}
+}%
 
 
 \def\tikzgraphinvokeoperator#1{%
@@ -184,16 +184,16 @@
   }%
   \tikz@lib@graph@temp%
   \global\let\tikz@lib@graph@temp\relax%
-}
+}%
 
 
-% 
-% The parser 
+%
+% The parser
 %
 
 \def\tikz@lib@graph@parser{%
   \pgfutil@ifnextchar[{\tikz@lib@graph@parser@}{\tikz@lib@graph@parser@[]}%]
-}
+}%
 
 \def\tikz@lib@graph@parser@[#1]{%
   \setbox\tikz@whichbox=\hbox\bgroup%
@@ -208,7 +208,7 @@
             \else%
               \expandafter\tikz@lib@graphs@normal@main%
             \fi%
-}
+}%
 
 \long\def\tikz@lib@graphs@normal@main#1{%
               \pgfkeysgetvalue{/tikz/graphs/@operators}\tikz@lib@graph@outer@operators%
@@ -220,11 +220,11 @@
               \tikz@lib@graph@start@hint@group%
                 \tikz@lib@graph@parse@group{#1}%
               \tikz@lib@graph@end@hint@group
-              \tikz@lib@graph@outer@operators%  
+              \tikz@lib@graph@outer@operators%
               \let\tikz@lg@do=\tikz@lib@graph@cleanup%
               \tikz@lib@graph@node@list%
               \tikz@lib@graph@main@done%
-}
+}%
 
 \def\tikz@lib@graph@main@done{%
             \endgroup%
@@ -234,7 +234,7 @@
     \egroup%
   \egroup%
   \tikz@lib@graph@parser@done%
-}
+}%
 
 
 
@@ -245,13 +245,13 @@
   \pgfkeyssetvalue{/tikz/graphs/placement/local width}{0}%
   \pgfkeyssetvalue{/tikz/graphs/placement/chain count}{0}%
   \pgfkeyssetvalue{/tikz/graphs/placement/element count}{0}%
-}
+}%
 
 \def\tikz@lib@graph@end@hint@group{%
   % Get local depth and width outside
   \xdef\tikz@lib@graph@group@depth{\pgfkeysvalueof{/tikz/graphs/placement/local depth}}
   \xdef\tikz@lib@graph@group@width{\pgfkeysvalueof{/tikz/graphs/placement/local width}}
-}
+}%
 
 \def\tikz@lib@graph@hint@aftergroup{%
   \pgfkeysgetvalue{/tikz/graphs/placement/width}\tikz@temp@h%
@@ -263,13 +263,13 @@
   \pgfkeyslet{/tikz/graphs/placement/width}\tikz@temp@h%
   \pgfkeyslet{/tikz/graphs/placement/local width}\tikz@temp@lh%
   \pgfkeyslet{/tikz/graphs/placement/local depth}\tikz@temp@lw%
-  % 
+  %
   \pgfkeysgetvalue{/tikz/graphs/placement/element count}\tikz@temp%
   \c@pgf@counta=\tikz@temp\relax%
   \advance\c@pgf@counta by1\relax%
   \edef\tikz@temp{\the\c@pgf@counta}%
-  \pgfkeyslet{/tikz/graphs/placement/element count}\tikz@temp%  
-}
+  \pgfkeyslet{/tikz/graphs/placement/element count}\tikz@temp%
+}%
 
 \def\tikz@lib@graph@placement@update{%
   \pgfkeys{/tikz/graphs/placement/logical node depth/.expand once=\tikz@lib@graph@name}
@@ -286,13 +286,13 @@
   \pgfkeyslet{/tikz/graphs/placement/width}\tikz@temp@h%
   \pgfkeyslet{/tikz/graphs/placement/local width}\tikz@temp@lh%
   \pgfkeyslet{/tikz/graphs/placement/local depth}\tikz@temp@lw%
-  % 
+  %
   \pgfkeysgetvalue{/tikz/graphs/placement/element count}\tikz@temp%
   \c@pgf@counta=\tikz@temp\relax%
   \advance\c@pgf@counta by1\relax%
   \edef\tikz@temp{\the\c@pgf@counta}%
-  \pgfkeyslet{/tikz/graphs/placement/element count}\tikz@temp%  
-}
+  \pgfkeyslet{/tikz/graphs/placement/element count}\tikz@temp%
+}%
 
 \def\tikz@lib@graph@placement@after@chain@update{%
   \pgfkeysgetvalue{/tikz/graphs/placement/depth}\tikz@temp@w%
@@ -304,18 +304,18 @@
   \pgfkeyslet{/tikz/graphs/placement/depth}\tikz@temp@w%
   \pgfkeyslet{/tikz/graphs/placement/local width}\tikz@temp@lh%
   \pgfkeyslet{/tikz/graphs/placement/local depth}\tikz@temp@lw%
-  % 
+  %
   \pgfkeysgetvalue{/tikz/graphs/placement/chain count}\tikz@temp%
   \c@pgf@counta=\tikz@temp\relax%
   \advance\c@pgf@counta by1\relax%
   \edef\tikz@temp{\the\c@pgf@counta}%
-  \pgfkeyslet{/tikz/graphs/placement/chain count}\tikz@temp%  
-}
+  \pgfkeyslet{/tikz/graphs/placement/chain count}\tikz@temp%
+}%
 
 
 %
 % Parse a group
-% 
+%
 
 \long\def\tikz@lib@graph@parse@group#1{
   \let\tikz@lib@graph@group@qa\pgfutil@empty%
@@ -324,16 +324,16 @@
   \let\tikz@lib@graph@group@cont\pgfutil@empty%
   \let\tikz@lib@graph@group@conta\pgfutil@empty%
   \tikz@lib@graph@group@check#1\par\pgf@stop@eogroup%
-}
+}%
 
 
 
-% 
-% Start of a group 
+%
+% Start of a group
 %
 \def\tikz@lib@graph@group@check{%
   \pgfutil@ifnextchar[\tikz@lib@graph@group@opt{\tikz@lib@graph@group@opt[]}%]
-}
+}%
 
 \def\tikz@lib@graph@group@opt[#1]{%
   \let\tikz@lib@graph@parse@extras\pgfutil@empty%
@@ -344,38 +344,38 @@
     @extra group options/.style=,%
     #1}%
   \expandafter\tikz@lib@graph@par\tikz@lib@graph@parse@extras%
-}
+}%
 
 \tikzgraphsset{
   parse/.code={\expandafter\def\expandafter\tikz@lib@graph@parse@extras\expandafter{\tikz@lib@graph@parse@extras#1}},
-}
+}%
 
 
 
-% 
-% Remove \par 
+%
+% Remove \par
 %
 
 \def\tikz@lib@graph@par{%
   \pgfutil@ifnextchar\bgroup{\tikz@lib@graph@par@@}{\tikz@lib@graph@par@}%
-}
+}%
 \long\def\tikz@lib@graph@par@#1\par{%
   \pgfutil@ifnextchar\pgf@stop@eogroup{%
     \expandafter\tikz@lib@graph@quotes\tikz@lib@graph@group@c#1"}{%
     \expandafter\def\expandafter\tikz@lib@graph@group@c\expandafter{\tikz@lib@graph@group@c#1}%
     \tikz@lib@graph@par%
   }%
-}
+}%
 \long\def\tikz@lib@graph@par@@#1{%
   \expandafter\def\expandafter\tikz@lib@graph@group@c\expandafter{\tikz@lib@graph@group@c{#1}}%
   \tikz@lib@graph@par
-}
+}%
 
 
 
-% 
+%
 % Replace ..."..."... by ..."{...}"...
-% 
+%
 \def\tikz@lib@graph@quotes{%
   \pgfutil@ifnextchar\bgroup{\tikz@lib@graph@quotes@@}{\tikz@lib@graph@quotes@}%
 }%
@@ -386,30 +386,30 @@
     \expandafter\def\expandafter\tikz@lib@graph@group@q\expandafter{\tikz@lib@graph@group@q#1"}%
     \tikz@lib@graph@quotes@cont%
   }%
-}
+}%
 
 \def\tikz@lib@graph@quotes@cont#1"#2"{%
   \pgfutil@ifnextchar\pgf@stop@eogroup{%
     \tikz@lib@graph@passon{{#1}"#2}}{%
     \expandafter\def\expandafter\tikz@lib@graph@group@q\expandafter{\tikz@lib@graph@group@q{#1}"#2"}%
     \tikz@lib@graph@quotes@cont}%
-}
+}%
 
 \def\tikz@lib@graph@quotes@@#1{%
   \expandafter\def\expandafter\tikz@lib@graph@group@q\expandafter{\tikz@lib@graph@group@q{#1}}%
   \tikz@lib@graph@quotes%
-}
+}%
 
 
 
-% 
+%
 % Replace ..."..."... by ..."{...}"... (active version)
 %
-{
+{%
   \catcode`\"=13\relax
 
   \gdef\tikz@lib@graph@passon#1{\expandafter\tikz@lib@graph@quotesactive\tikz@lib@graph@group@q#1"}%
-  
+
   \gdef\tikz@lib@graph@quotesactive{%
     \pgfutil@ifnextchar\bgroup{\tikz@lib@graph@quotesactive@@}{\tikz@lib@graph@quotesactive@}%
   }%
@@ -420,27 +420,27 @@
       \expandafter\def\expandafter\tikz@lib@graph@group@qa\expandafter{\tikz@lib@graph@group@qa#1"}%
       \tikz@lib@graph@quotesactive@cont%
     }%
-  }
-  
+  }%
+
   \gdef\tikz@lib@graph@quotesactive@cont#1"#2"{%
     \pgfutil@ifnextchar\pgf@stop@eogroup{%
       \expandafter\tikz@lib@graph@encloser\tikz@lib@graph@group@qa{#1}"#2[}{%
       \expandafter\def\expandafter\tikz@lib@graph@group@qa\expandafter{\tikz@lib@graph@group@qa{#1}"#2"}%
       \tikz@lib@graph@quotesactive@cont}%
-  }
-  
+  }%
+
   \gdef\tikz@lib@graph@quotesactive@@#1{%
     \expandafter\def\expandafter\tikz@lib@graph@group@qa\expandafter{\tikz@lib@graph@group@qa{#1}}%
     \tikz@lib@graph@quotesactive%
-  }
-}
+  }%
+}%
 
 
 
 
-% 
+%
 % Replace ...[...]... by ...[{...}]...
-% 
+%
 \def\tikz@lib@graph@encloser{%
   \pgfutil@ifnextchar\bgroup{\tikz@lib@graph@encloser@@}{\tikz@lib@graph@encloser@}%
 }%
@@ -451,45 +451,45 @@
     \expandafter\def\expandafter\tikz@lib@graph@group@cont\expandafter{\tikz@lib@graph@group@cont#1[}%]
     \tikz@lib@graph@encloser@cont%
   }%
-}
+}%
 
 \def\tikz@lib@graph@encloser@cont#1]#2[{%
   \pgfutil@ifnextchar\pgf@stop@eogroup{%
     \expandafter\tikz@lib@graph@semi\tikz@lib@graph@group@cont{#1}]#2;}{%
     \expandafter\def\expandafter\tikz@lib@graph@group@cont\expandafter{\tikz@lib@graph@group@cont{#1}]#2[}%
     \tikz@lib@graph@encloser@cont}%
-}
+}%
 
 \def\tikz@lib@graph@encloser@@#1{%
   \expandafter\def\expandafter\tikz@lib@graph@group@cont\expandafter{\tikz@lib@graph@group@cont{#1}}%
   \tikz@lib@graph@encloser%
-}
+}%
 
 
 
 
-% 
-% Replace ; by , 
+%
+% Replace ; by ,
 %
 
 \def\tikz@lib@graph@semi{%
   \pgfutil@ifnextchar\bgroup{\tikz@lib@graph@semi@@}{\tikz@lib@graph@semi@}%
-}
+}%
 \def\tikz@lib@graph@semi@#1;{%
   \pgfutil@ifnextchar\pgf@stop@eogroup{%
     \expandafter\tikz@lib@graph@main@parser\tikz@lib@graph@group@conta#1,}{%
     \expandafter\def\expandafter\tikz@lib@graph@group@conta\expandafter{\tikz@lib@graph@group@conta#1,}%
     \tikz@lib@graph@semi%
   }%
-}
+}%
 \def\tikz@lib@graph@semi@@#1{%
   \expandafter\def\expandafter\tikz@lib@graph@group@conta\expandafter{\tikz@lib@graph@group@conta{#1}}%
   \tikz@lib@graph@semi%
-}
+}%
 
 
-% 
-% Main parse 
+%
+% Main parse
 %
 
 \def\tikz@lib@graph@main@parser{%
@@ -499,23 +499,23 @@
     \let\tikz@lib@graph@stored@actions\pgfutil@empty%
     \let\tikz@lib@graph@node@list\pgfutil@empty% reset
     \tikz@lib@graph@main@parser@start%
-}
+}%
 \def\tikz@lib@graph@main@parser@start{%
   \pgfutil@ifnextchar\bgroup{\tikz@lib@graph@protect@group}{\tikz@lib@graph@main@parser@cont}%
-}
+}%
 
 \def\tikz@lib@graph@protect@group#1{% skip space
   \pgfutil@ifnextchar\relax{\tikz@lib@graph@main@parser@cont{{#1}}}{\tikz@lib@graph@main@parser@cont{{#1}}}%
-}
+}%
 
-\def\tikz@lib@graph@main@parser@cont{\tikz@lib@graph@check@quotes\tikz@lib@graph@main@parser@cont@normal}
+\def\tikz@lib@graph@main@parser@cont{\tikz@lib@graph@check@quotes\tikz@lib@graph@main@parser@cont@normal}%
 \def\tikz@lib@graph@main@parser@cont@normal#1,{%
   \tikz@lib@graph@parse@one#1-\pgf@stop@eodashes%
-}
+}%
 
 \def\tikz@lib@graph@parse@one{%
   \pgfutil@ifnextchar\bgroup\tikz@lib@graph@scope\tikz@lib@graph@node%
-}
+}%
 
 
 
@@ -524,50 +524,50 @@
 \def\tikz@lib@graph@check@quotes#1{%
   \let\tikz@lib@graph@cont@quote#1%
   \pgfutil@ifnextchar"{\begingroup\pgfkeys@temptoks{}\pgfutil@empty\tikz@lib@graph@quote@parser}{\tikz@lib@graph@check@quotes@active}%
-}
-{
+}%
+{%
   \catcode`\"=13\relax
   \gdef\tikz@lib@graph@check@quotes@active{%
     \pgfutil@ifnextchar"{\begingroup\pgfkeys@temptoks{}\pgfutil@empty\tikz@lib@graph@quote@parser@active}{\tikz@lib@graph@cont@quote}%
-  }
+  }%
   \gdef\tikz@lib@graph@quote@parser@active"#1"{%
     \pgfkeys@temptoks\expandafter{\the\pgfkeys@temptoks #1}%
     \pgfutil@ifnextchar"{\pgfkeys@temptoks\expandafter{\the\pgfkeys@temptoks "}\tikz@lib@graph@quote@parser@active}{\tikz@lib@graph@quote@parser@done}%
-  }
-}
+  }%
+}%
 
 \def\tikz@lib@graph@quote@parser"#1"{%
   \pgfkeys@temptoks\expandafter{\the\pgfkeys@temptoks #1}%
   \pgfutil@ifnextchar"{\pgfkeys@temptoks\expandafter{\the\pgfkeys@temptoks "}\tikz@lib@graph@quote@parser}{\tikz@lib@graph@quote@parser@done}%
-}
+}%
 
 \def\tikz@lib@graph@quote@parser@done{%
   {\expandafter\scantokens\expandafter{%
     \expandafter\expandafter\expandafter\tikzlibgraphactivations\expandafter\expandafter\expandafter\tikzlibgraphdoedef\expandafter{\the\pgfkeys@temptoks}%
   }}%
-  {\expandafter\scantokens\expandafter{\expandafter\tikzlibgraphactivationsbrace\expandafter\xdef\expandafter\tikzlibgraphreplaced\expandafter<\tikzlibgraphreplaced>\catcode`\}=2\relax}}% 
+  {\expandafter\scantokens\expandafter{\expandafter\tikzlibgraphactivationsbrace\expandafter\xdef\expandafter\tikzlibgraphreplaced\expandafter<\tikzlibgraphreplaced>\catcode`\}=2\relax}}%
   \edef\tikzlibgraphreplaced{\expandafter\detokenize\expandafter{\tikzlibgraphreplaced}}
   \pgfutil@ifnextchar/\tikz@lib@graph@quotes@slash\tikz@lib@graph@quotes@no@slash%
-}
+}%
 \def\tikz@lib@graph@quotes@no@slash{%
   \expandafter\expandafter\expandafter\def\expandafter\expandafter\expandafter%
   \tikz@smuggle\expandafter\expandafter\expandafter{\expandafter\tikzlibgraphreplaced\expandafter/\expandafter{\the\pgfkeys@temptoks}}%
   \expandafter\endgroup\expandafter\tikz@lib@graph@cont@quote\tikz@smuggle%
-}
+}%
 \def\tikz@lib@graph@quotes@slash/{%
   \pgfutil@ifnextchar/% Ah, double slash...
   {\tikz@lib@graph@quotes@no@slash/}{\expandafter\endgroup\expandafter\tikz@lib@graph@cont@quote\tikzlibgraphreplaced/}%
-}
-\def\tikzlibgraphdoedef{\xdef\tikzlibgraphreplaced}
+}%
+\def\tikzlibgraphdoedef{\xdef\tikzlibgraphreplaced}%
 
 \def\tikz@lib@prepare@active#1#2#3{%
   {%
     \catcode`#1=13\relax%
     \scantokens{\gdef\tikzlibgraphactivator{\def#2{@#3@}}}%
-  }
-  \pgfutil@g@addto@macro\tikzlibgraphactivations{\catcode`#1=13\relax}  
-  \expandafter\pgfutil@g@addto@macro\expandafter\tikzlibgraphactivations\expandafter{\tikzlibgraphactivator}
-}
+  }%
+  \pgfutil@g@addto@macro\tikzlibgraphactivations{\catcode`#1=13\relax}%
+  \expandafter\pgfutil@g@addto@macro\expandafter\tikzlibgraphactivations\expandafter{\tikzlibgraphactivator}%
+}%
 
 \let\tikzlibgraphactivations\pgfutil@empty
 
@@ -575,7 +575,7 @@
 % Remove \outer from \+ for plain TeX
 %
 
-\outer\def\tikz@lib@outer@test{\tabalign}
+\outer\def\tikz@lib@outer@test{\tabalign}%
 \ifx\+\tikz@lib@outer@test
   \def\+{\tabalign}
 \fi
@@ -612,69 +612,69 @@
 \tikz@lib@prepare@active{\#}{#}{NUMBER SIGN}
 }
 
-\pgfutil@g@addto@macro\tikzlibgraphactivations{\catcode`\\=13\relax}
-{
+\pgfutil@g@addto@macro\tikzlibgraphactivations{\catcode`\\=13\relax}%
+{%
   \catcode`\|=0\relax
   \catcode`\\=13\relax
-  |pgfutil@g@addto@macro|tikzlibgraphactivations{|def\{@REVERSE SOLIDUS@}}
-}
-{
-  \gdef\tikzlibgraphscommercialat{@COMMERCIAL AT@}
-  \let\g=\pgfutil@g@addto@macro  
+  |pgfutil@g@addto@macro|tikzlibgraphactivations{|def\{@REVERSE SOLIDUS@}}%
+}%
+{%
+  \gdef\tikzlibgraphscommercialat{@COMMERCIAL AT@}%
+  \let\g=\pgfutil@g@addto@macro
   \catcode`\@=13\relax
-  \g\tikzlibgraphactivations{\catcode`\@=13\relax\let@=\tikzlibgraphscommercialat}
-}
+  \g\tikzlibgraphactivations{\catcode`\@=13\relax\let@=\tikzlibgraphscommercialat}%
+}%
 
 \def\tikzlibgraphactivationsbrace{%
   \catcode`\{=13\relax%
   \catcode`\}=13\relax%
   \catcode`\<=1\relax%
   \catcode`\>=2\relax%
-}
-{
+}%
+{%
   \catcode`\{=13\relax%
   \catcode`\}=13\relax%
   \catcode`\<=1\relax%
   \catcode`\>=2\relax%
   \pgfutil@g@addto@macro\tikzlibgraphactivationsbrace<\def{<@LEFT CURLY BRACE@>> %}
   \pgfutil@g@addto@macro\tikzlibgraphactivationsbrace<\def}<@RIGHT CURLY BRACE@>> %{
->
+>%
 
 % A normal node
 
 % First, check for special quote syntax:
 
-\def\tikz@lib@graph@node{\tikz@lib@graph@check@quotes\tikz@lib@graph@node@normal}
+\def\tikz@lib@graph@node{\tikz@lib@graph@check@quotes\tikz@lib@graph@node@normal}%
 
 \def\tikz@lib@graph@node@normal#1-{%
   % Detect trailing <
   \tikz@lib@graph@@node#1<\pgf@stop%
-}
+}%
 
 \def\tikz@lib@graph@@node#1<#2\pgf@stop%
 {
-  % 
+  %
   % #1 will be a node (not a group)
-  % 
+  %
   % Syntax: node name [options]
-  % 
+  %
   % Grab node name
   \tikz@lib@graph@grab@name#1\pgf@stop%
   \tikz@lib@graph@stored@actions%
   \pgfutil@ifnextchar\pgf@stop@eodashes{%
     \tikz@lib@graph@graph@done%
   }{%
-    % 
-    % Now, get arrow kind 
-    % 
-    \def\pgf@test{#2}% 
+    %
+    % Now, get arrow kind
+    %
+    \def\pgf@test{#2}%
     \ifx\pgf@test\pgfutil@empty%
       \expandafter\tikz@lib@graph@no@back@arrow%
     \else%
       \expandafter\tikz@lib@graph@back@arrow%
     \fi%
   }%
-}
+}%
 
 \def\tikz@lib@graph@no@back@arrow{%
   \pgfutil@ifnextchar>\tikz@lib@graph@forward@arrow{%
@@ -685,52 +685,52 @@
       }%
     }%
   }%
-}
+}%
 
 \def\tikz@lib@graph@undirected@arrow-{%
   \def\tikz@lib@graph@arrow@type{--}%
   \tikz@lib@graph@after@arrow%
-}
+}%
 
 \def\tikz@lib@graph@forward@arrow>{%
   \def\tikz@lib@graph@arrow@type{->}%
   \tikz@lib@graph@after@arrow%
-}
+}%
 
 \def\tikz@lib@graph@bi@arrow>{%
   \def\tikz@lib@graph@arrow@type{<->}%
   \tikz@lib@graph@after@arrow%
-}
+}%
 
 \def\tikz@lib@graph@no@arrow!-{%
   \def\tikz@lib@graph@arrow@type{-!-}%
   \tikz@lib@graph@after@arrow%
-}
+}%
 
 \def\tikz@lib@graph@back@arrow{%
   \pgfutil@ifnextchar>{\tikz@lib@graph@bi@arrow}{%
     \def\tikz@lib@graph@arrow@type{<-}%
     \tikz@lib@graph@after@arrow%
   }%
-}
+}%
 
 \def\tikz@lib@graph@after@arrow{%
   \pgfutil@ifnextchar[{\tikz@lib@graph@after@arrow@opt}{\tikz@lib@graph@after@arrow@opt[]}%]
-}
+}%
 
 \def\tikz@lib@graph@after@arrow@opt[#1]{%
-  % 
-  % Ok, first recolor 
+  %
+  % Ok, first recolor
   %
   \tikzgraphinvokeoperator{recolor source by=source''}
   \tikzgraphinvokeoperator{recolor target by=target'}
   % Save action for next node
   \expandafter\def\expandafter\tikz@lib@graph@stored@actions\expandafter{%
     \expandafter\tikz@lib@graph@joiner\expandafter{\tikz@lib@graph@arrow@type}{#1}}%
-  % 
+  %
   \tikzgdeventgroupcallback{descendants}%
   \tikz@lib@graph@parse@one%
-}
+}%
 
 \def\tikz@lib@graph@joiner#1#2{%
   \tikzgraphinvokeoperator{recolor source by=source'}
@@ -749,35 +749,35 @@
     \pgf@temp%
   }%
   \tikzgraphinvokeoperator{not source',not target'}
-}
+}%
 
 \def\tikz@lib@graph@unknown@edge@option#1{%
   \def\tikz@temp{/tikz/graphs/@edges styling/.append=}
   \expandafter\expandafter\expandafter\pgfkeys%
   \expandafter\expandafter\expandafter{\expandafter\tikz@temp\expandafter{\expandafter,\pgfkeyscurrentname={#1}}}
-}
+}%
 
 \def\tikz@lib@graph@graph@done\pgf@stop@eodashes{%
     % Get local depth and width outside
     \xdef\tikz@lib@graph@chain@depth{\pgfkeysvalueof{/tikz/graphs/placement/local depth}}
     \xdef\tikz@lib@graph@chain@width{\pgfkeysvalueof{/tikz/graphs/placement/local width}}
     % Get node list outside...
-    \expandafter%  
+    \expandafter%
   \endgroup%
   \expandafter\expandafter\expandafter\def%
   \expandafter\expandafter\expandafter\tikz@lib@graph@node@list%
   \expandafter\expandafter\expandafter{\expandafter\tikz@lib@graph@node@list\tikz@lib@graph@node@list}%
   % Compute new local depth and width of group...
   \tikz@lib@graph@placement@after@chain@update
-  % 
+  %
   \pgfutil@ifnextchar\pgf@stop@eogroup%
   \tikz@lib@graph@graph@group@done%
   \tikz@lib@graph@main@parser%
-}
+}%
 
 \def\tikz@lib@graph@graph@group@done\pgf@stop@eogroup{%
   \pgfkeysvalueof{/tikz/graphs/@operators}%
-}
+}%
 
 
 
@@ -786,14 +786,14 @@
 %
 \def\tikz@lib@graph@grab@name{%
   \pgfutil@ifnextchar\foreach\tikz@lib@graph@do@foreach\tikz@lib@graph@parse@node@text%
-}
+}%
 
 \def\tikz@lib@graph@do@foreach\foreach#1in{%
   \pgfutil@ifnextchar\bgroup{\tikz@lib@graph@do@foreach@normal{#1}}{\def\tikz@temp{#1}\tikz@lib@graph@do@foreach@macro}%
-}
+}%
 \def\tikz@lib@graph@do@foreach@macro#1{%
   \expandafter\expandafter\expandafter\tikz@lib@graph@do@foreach@normal\expandafter\tikz@temp\expandafter{#1}%
-}
+}%
 
 \def\tikz@lib@graph@do@foreach@normal#1#2#3\pgf@stop{%
   % Ok, we do a parse on a foreach loop.
@@ -823,13 +823,13 @@
       % TODO: Need to also save hints!
       \global\let\tikz@lib@graph@node@list@saved\tikz@lib@graph@node@list%
     }%
-    \expandafter%  
+    \expandafter%
   \endgroup%
   \expandafter\expandafter\expandafter\def%
   \expandafter\expandafter\expandafter\tikz@lib@graph@node@list%
-  \expandafter\expandafter\expandafter{\expandafter\tikz@lib@graph@node@list\tikz@lib@graph@node@list@saved}%  
+  \expandafter\expandafter\expandafter{\expandafter\tikz@lib@graph@node@list\tikz@lib@graph@node@list@saved}%
   \expandafter\tikz@lib@graph@setup@placement\tikz@lib@graph@saved@placement%
-}
+}%
 
 \def\tikz@lib@graph@setup@placement#1#2#3#4#5#6{%
   \pgfkeyssetvalue{/tikz/graphs/placement/local depth}{#1}%
@@ -838,15 +838,15 @@
   \pgfkeyssetvalue{/tikz/graphs/placement/element count}{#4}%
   \pgfkeyssetvalue{/tikz/graphs/placement/width}{#5}%
   \pgfkeyssetvalue{/tikz/graphs/placement/depth}{#6}%
-}
+}%
 
 \def\tikz@lib@graph@parse@node@text#1\pgf@stop{%
-  % 
-  % Ok, first test whether #1 contains "//" 
-  % 
+  %
+  % Ok, first test whether #1 contains "//"
+  %
   \pgfutil@in@{//}{#1 }
   \ifpgfutil@in@%
-    % Ok, a layout node: 
+    % Ok, a layout node:
     \tikz@lib@parse@layout@node#1\pgf@stop%
   \else%
     \tikz@lib@graph@fake@nodefalse
@@ -854,7 +854,7 @@
     \def\tikz@lib@graph@empty@node@parsed{\tikzgdeventcallback{node}{}}%
     \tikz@lib@parse@normal@node#1[\pgf@stop%
   \fi%
-}
+}%
 
 \newif\iftikzgraphsautonumbernodes
 \newcount\tikz@lib@auto@number
@@ -865,16 +865,16 @@
     \edef\tikz@lib@graph@name@only{\tikz@lib@graph@name@only\tikz@lib@auto@sep\the\tikz@lib@auto@number}%
     \global\advance\tikz@lib@auto@number by1\relax%
   \fi%
-}
+}%
 
-% 
-% Parse the normal part of a node (name and, possibly, text after slash) 
-% 
+%
+% Parse the normal part of a node (name and, possibly, text after slash)
+%
 
 \def\tikz@lib@parse@normal@node#1[{
-  % 
-  % Test whether #1 contains "/" or "__" 
-  % 
+  %
+  % Test whether #1 contains "/" or "__"
+  %
   \pgfutil@in@{/}{#1}%
   \ifpgfutil@in@%
     \tikz@lib@parse@node@with@slash#1\pgf@stop%
@@ -888,25 +888,25 @@
       \edef\tikz@lib@graph@name{\tikz@lib@graph@path\tikz@lib@graph@name@only}%
     \fi%
   \fi%
-  \tikz@lib@graph@handle@node@cont%  
-}
+  \tikz@lib@graph@handle@node@cont%
+}%
 
 \def\tikz@lib@parse@node@with@slash#1/{
   \pgfkeys@spdef\tikz@lib@graph@name@only{#1}%
   \ifx\tikz@lib@graph@name@only\pgfutil@empty%
     \global\advance\tikz@fig@count by1\relax
     \edef\tikz@lib@graph@name@only{tikz@f@\the\tikz@fig@count}%
-  \fi%  
+  \fi%
   \edef\tikz@lib@graph@name{\tikz@lib@graph@path\tikz@lib@graph@name@only}%
   \pgfutil@ifnextchar"\tikz@lg@slash@quote{\pgfutil@ifnextchar\tikz@active@quotes@token\tikz@lg@slash@quote@active\tikz@lg@slash@cont}
-}
+}%
 \def\tikz@lg@slash@quote"#1"#2\pgf@stop{%
   \iftikz@handle@active@nodes%
     \def\tikz@lib@graph@node@text{\scantokens{#1}}%
   \else
     \def\tikz@lib@graph@node@text{#1}%
   \fi%
-}
+}%
 {\catcode`\"=13\relax
   \gdef\tikz@lg@slash@quote@active"#1"#2\pgf@stop{%
   \iftikz@handle@active@nodes%
@@ -914,27 +914,27 @@
   \else
     \def\tikz@lib@graph@node@text{#1}%
   \fi%
-  }
-}
+  }%
+}%
 \def\tikz@lg@slash@cont#1\pgf@stop{%
   \iftikz@handle@active@nodes%
     \def\tikz@lib@graph@node@text{\scantokens{#1}}%
   \else
     \def\tikz@lib@graph@node@text{#1}%
   \fi%
-}
+}%
 
-\def\tikz@lib@parse@node@with@doubleunder#1__{\tikz@lib@parse@node@with@slash{#1}/}
+\def\tikz@lib@parse@node@with@doubleunder#1__{\tikz@lib@parse@node@with@slash{#1}/}%
 
 \def\tikz@lg@find@fresh@name{%
   \edef\tikz@lib@graph@name@only{\tikz@lib@graph@name@only'}%
   \edef\tikz@lib@graph@name{\tikz@lib@graph@path\tikz@lib@graph@name@only}%
   \tikz@lg@if@local@node{\tikz@lib@graph@name}{\tikz@lg@find@fresh@name}{}%
-}
+}%
 
 
-% 
-% We have now parsed everything up to the opening "[". We continue 
+%
+% We have now parsed everything up to the opening "[". We continue
 %
 
 \def\tikz@lib@graph@handle@node@cont{%
@@ -952,22 +952,22 @@
       \expandafter\tikz@lib@graph@node@opt\expandafter[\expandafter]\expandafter[%
     \fi%
   }{\tikz@lib@graph@node@opt[}%
-}
+}%
 
 \def\tikzgraphnodeas@default{%
   \tikz@lib@graph@typesetter%
-}
+}%
 
 \let\tikz@lib@graph@empty@node@parsed\relax%
 
 \def\tikz@lib@graph@node@opt[#1]#2[\pgf@stop{%
   \tikz@lib@graph@node@parsed{#1}%
-}
+}%
 
-\def\tikz@lib@graph@node@empty@done\pgf@stop{\tikz@lib@graph@empty@node@parsed}
+\def\tikz@lib@graph@node@empty@done\pgf@stop{\tikz@lib@graph@empty@node@parsed}%
 
-% 
-% Parse a layout node 
+%
+% Parse a layout node
 %
 
 \def\tikz@lib@parse@layout@node#1//{%
@@ -975,33 +975,33 @@
   \let\tikz@lib@graph@node@parsed\tikz@lib@layout@node@parsed%
   \let\tikz@lib@graph@empty@node@parsed\tikz@lib@graph@empty@layout@node@parsed
   \tikz@lib@parse@normal@node#1[\pgf@stop%
-}
+}%
 
 \newif\ifpgf@lib@graph@empty@layout@node
 
 \def\tikz@lib@layout@node@parsed{%
   \tikz@lib@layout@parse@rest%
-}
+}%
 
 \def\tikz@lib@graph@empty@layout@node@parsed{%
   \pgf@lib@graph@empty@layout@nodetrue
   \tikz@lib@layout@parse@rest{}%
-}
+}%
 
 \def\tikz@lib@layout@parse@rest#1{%
   \def\tikz@lib@layout@node@options{#1}%
   \pgfutil@ifnextchar[{\tikz@lib@layout@node@opt}{\tikz@lib@layout@node@opt[]}%}
-}
+}%
 
 \def\tikz@lib@layout@node@parsed#1{%
   \def\tikz@lib@layout@node@options{#1}%
   \pgfutil@ifnextchar[{\tikz@lib@layout@node@opt}{\tikz@lib@layout@node@opt[]}%}
-}
+}%
 
 \def\tikz@lib@layout@node@opt[#1]{%
   \def\tikz@lib@layout@options{#1}%
   \pgfutil@ifnextchar\bgroup{\tikz@lib@layout@start}{\tikzerror{Opening brace at beginning of sublayout expected}}%
-}
+}%
 
 
 %
@@ -1029,7 +1029,7 @@
       \c@pgf@counta=\tikz@temp\relax%
       \advance\c@pgf@counta by1\relax%
       \edef\tikz@temp{\the\c@pgf@counta}%
-      \pgfkeyslet{/tikz/graphs/placement/level}\tikz@temp%  
+      \pgfkeyslet{/tikz/graphs/placement/level}\tikz@temp%
       \tikzgraphsset{
         level/.try=\pgfkeysvalueof{/tikz/graphs/placement/level},
         level \pgfkeysvalueof{/tikz/graphs/placement/level}/.try
@@ -1059,7 +1059,7 @@
                   /tikz/graphs/@nodes styling,%
                   #1}%
                 \pgfkeysgetvalue{/tikz/graphs/@operators}\tikz@lib@graph@op@save%
-                \global\let\tikz@lib@graph@op@save\tikz@lib@graph@op@save%                
+                \global\let\tikz@lib@graph@op@save\tikz@lib@graph@op@save%
               }%
             \else%
               \node [%
@@ -1089,30 +1089,30 @@
       \iftikz@lib@graph@trie\tikzgraphsset{name=\tikz@lib@graph@name@only}\fi%
     \else
       % The name of the node is a graph name
-      \tikz@lib@graph@handle@graph{#1}%      
+      \tikz@lib@graph@handle@graph{#1}%
     \fi
-  \fi%  
-}
+  \fi%
+}%
 
 \newif\iftikz@lib@graph@fake@node
 
 \newif\iftikz@lib@graph@use@list
 \def\tikz@lib@graph@test@use@list{%
   \pgfutil@ifnextchar({\tikz@lib@graph@use@list@grap}{\tikz@lib@graph@test@use@list@done}%)
-}
+}%
 
-\def\tikz@lib@graph@test@use@list@done#1\pgf@stop{\tikz@lib@graph@use@listfalse}
-\def\tikz@lib@graph@use@list@grap(#1)\pgf@stop{\def\tikz@lib@graph@use@list{#1}\tikz@lib@graph@use@listtrue}
+\def\tikz@lib@graph@test@use@list@done#1\pgf@stop{\tikz@lib@graph@use@listfalse}%
+\def\tikz@lib@graph@use@list@grap(#1)\pgf@stop{\def\tikz@lib@graph@use@list{#1}\tikz@lib@graph@use@listtrue}%
 
 
-% 
-% Typeset a layout node 
+%
+% Typeset a layout node
 %
 
 \def\tikz@lib@layout@start#1#2\pgf@stop{%
   \tikz@lib@ensure@gd@loaded%
   % Parameters are:
-  % 
+  %
   % Node name is \tikz@lib@graph@name@only
   % Node text is \tikz@lib@graph@node@text
   % Node options are \tikz@lib@layout@node@options
@@ -1130,8 +1130,8 @@
     \fi%
   \fi%
   \edef\tikz@lib@graph@name{\tikz@lib@graph@path\tikz@lib@graph@name@only}%
-  % 
-  % Prepare tikz node options 
+  %
+  % Prepare tikz node options
   %
   \expandafter\expandafter\expandafter\def%
   \expandafter\expandafter\expandafter\tikz@lib@layout@node@options\expandafter\expandafter\expandafter{\expandafter\tikz@lib@layout@startup@node@options\tikz@lib@layout@node@options,}%
@@ -1147,8 +1147,8 @@
       \expandafter\expandafter\expandafter{%
         \expandafter\tikz@lib@graph@node@text\expandafter}\expandafter{\tikz@lib@layout@node@options}
     \fi%
-  % 
-  % Here comes the scope: 
+  %
+  % Here comes the scope:
   %
   \expandafter\expandafter\expandafter\scope\expandafter\expandafter\expandafter[\expandafter\tikz@lib@layout@node@options@prefix\tikz@lib@layout@options]
     \tikzgdeventgroupcallback{array}%
@@ -1162,33 +1162,33 @@
     \tikz@lib@graph@node@list%
     \def\tikz@lg@old@col{\tikz@lgc@target@true}%
     \tikz@lib@graph@node@list%
-    \expandafter%  
+    \expandafter%
   \endscope\expandafter%
   \endgroup%
   \expandafter\expandafter\expandafter\def%
   \expandafter\expandafter\expandafter\tikz@lib@graph@node@list%
   \expandafter\expandafter\expandafter{\expandafter\tikz@lib@graph@node@list\tikz@lib@graph@node@list}%
   \tikz@lib@graph@hint@aftergroup%
-}
+}%
 \def\tikz@lib@make@subgraph@node#1#2#3{%
   \pgfgdsubgraphnode{#1}{#3}{\pgfgdsubgraphnodecontents{#2}}%
-}
+}%
 \def\tikz@lib@layout@startup@node@options{%
   /utils/exec=\tikzlibignorecomparisonsINTERNAL,
   /tikz/graphs/.cd,%
   redirect unknown to tikz,%
   anchor=base,%
   /tikz/every subgraph node/.try,%
-}
+}%
 \def\tikzlibignorecomparisonsINTERNAL{%
   \pgfkeys{/handlers/first char syntax=true}
   \pgfkeyssetvalue{/handlers/first char syntax/the character >}{\pgfutil@gobble}%
   \pgfkeyssetvalue{/handlers/first char syntax/the character <}{\pgfutil@gobble}%
-}
-\def\tikz@lib@layout@node@options@prefix{graphs/.cd,}
+}%
+\def\tikz@lib@layout@node@options@prefix{graphs/.cd,}%
 
 \ifx\tikz@lib@ensure@gd@loaded\pgfutil@undefined%
-\def\tikz@lib@ensure@gd@loaded{\tikzerror{You must say \string\usetikzlibrary{graphdrawing} to use the (sub)layout syntax}}
+\def\tikz@lib@ensure@gd@loaded{\tikzerror{You must say \string\usetikzlibrary{graphdrawing} to use the (sub)layout syntax}}%
 \fi
 
 \def\tikz@lg@local@node@handle#1{%
@@ -1198,46 +1198,46 @@
   \tikzgdlatenodeoptionacallback{\tikz@lib@graph@name}%
   \node also[graphs/redirect unknown to tikz,/tikz/graphs/.cd,#1](\tikz@lib@graph@name);%
   \pgfkeysvalueof{/tikz/graphs/@operators}%
-}
+}%
 
 \tikzgraphsset{redirect unknown to tikz/.style={
     /tikz/graphs/.unknown/.code={%
-      \let\tikz@key\pgfkeyscurrentname% 
+      \let\tikz@key\pgfkeyscurrentname%
       \pgfkeys{tikz/.cd,\tikz@key={##1},/tikz/graphs/.cd}%
     }}
-}
+}%
 
 \def\tikz@lib@activate@source@target@edge@syntax{%
   \pgfkeys{/handlers/first char syntax=true}
   \pgfkeyssetvalue{/handlers/first char syntax/the character >}{\tikz@lg@parse@more}%
   \pgfkeyssetvalue{/handlers/first char syntax/the character <}{\tikz@lg@parse@less}%
-}
+}%
 
-\def\tikz@lg@parse@less#1{\tikz@lg@parse@less@#1\pgf@stop}
-\def\tikz@lg@parse@less@<{\pgfutil@ifnextchar"{\tikz@lg@parse@quote{source}}{\tikz@lg@parse@noquote{source}}}
-\def\tikz@lg@parse@more#1{\tikz@lg@parse@more@#1\pgf@stop}
-\def\tikz@lg@parse@more@>{\pgfutil@ifnextchar"{\tikz@lg@parse@quote{target}}{\tikz@lg@parse@noquote{target}}}
+\def\tikz@lg@parse@less#1{\tikz@lg@parse@less@#1\pgf@stop}%
+\def\tikz@lg@parse@less@<{\pgfutil@ifnextchar"{\tikz@lg@parse@quote{source}}{\tikz@lg@parse@noquote{source}}}%
+\def\tikz@lg@parse@more#1{\tikz@lg@parse@more@#1\pgf@stop}%
+\def\tikz@lg@parse@more@>{\pgfutil@ifnextchar"{\tikz@lg@parse@quote{target}}{\tikz@lg@parse@noquote{target}}}%
 
-\def\tikz@lg@parse@noquote#1#2\pgf@stop{{\tikzgraphsset{#1 edge style={#2}}}}
+\def\tikz@lg@parse@noquote#1#2\pgf@stop{{\tikzgraphsset{#1 edge style={#2}}}}%
 \def\tikz@lg@parse@quote#1#2\pgf@stop{%
   {\tikzgraphsset{/tikz/node quotes mean={#1 edge node={node [every edge quotes,##2]{##1}}},/utils/exec=\tikz@enable@node@quotes,#2}}%
-}
+}%
 
 \tikzgraphsset{
   clear >/.style=target edge clear,
   clear </.style=source edge clear
-}
+}%
 
 
 % Positioning
 
-\def\tikz@lib@graph@x{0}
-\def\tikz@lib@graph@y{0}
+\def\tikz@lib@graph@x{0}%
+\def\tikz@lib@graph@y{0}%
 
 \tikzgraphsset{
   x/.code=\def\tikz@lib@graph@x{#1}\tikz@lib@graphs@check@at,
   y/.code=\def\tikz@lib@graph@y{#1}\tikz@lib@graphs@check@at
-}
+}%
 \def\tikz@lib@graphs@check@at{%
   \expandafter\expandafter\expandafter\def%
   \expandafter\expandafter\expandafter\tikz@temp%
@@ -1246,7 +1246,7 @@
     \expandafter\expandafter\expandafter{\expandafter\tikz@lib@graph@x\expandafter}%
     \expandafter,\expandafter{\tikz@lib@graph@y})}%
   \pgfqkeys{/tikz}{at/.expand once=\tikz@temp}%
-}
+}%
 
 
 \newif\iftikz@lib@graph@trie
@@ -1259,24 +1259,24 @@
   edge quotes/.style={/tikz/every edge quotes/.style={#1}},
   edge quotes center/.style={edge quotes={anchor=center}},
   edge quotes mid/.style={edge quotes={anchor=mid}}
-}
+}%
 
 \def\tikz@lg@make@edge@node#1#2{%
   \def\pgf@marshal{node[#2]}%
   \expandafter\expandafter\expandafter\def\expandafter\expandafter\expandafter\pgf@marshal\expandafter\expandafter\expandafter{\expandafter\pgf@marshal\expandafter{\tikzgraphnodetext}}%
   \pgfkeysalso{#1 edge node/.expand once=\pgf@marshal,as=}%
-}
+}%
 
 \newif\iftikz@lib@graph@fresh@node
-\tikzgraphsset{fresh nodes/.is if=tikz@lib@graph@fresh@node}
+\tikzgraphsset{fresh nodes/.is if=tikz@lib@graph@fresh@node}%
 
 \tikzgraphsset{number nodes/.code=%
   \pgfmathsetcount\tikz@lib@auto@number{#1}%
   \tikzgraphsautonumbernodestrue,%
   number nodes/.default=1,%
   number nodes sep/.code=\def\tikz@lib@auto@sep{#1}
-}
-\def\tikz@lib@auto@sep{\space}
+}%
+\def\tikz@lib@auto@sep{\space}%
 
 \newif\iftikz@lib@graph@node@created
 
@@ -1284,26 +1284,26 @@
   % Is #1 the name of a node set?
   \expandafter\let\expandafter\pgf@temp\csname tikz@lg@node@set #1\endcsname
   \ifx\pgf@temp\relax
-    \pgfutil@g@addto@macro\tikz@lg@temp{\tikz@lg@do{#1}}    
+    \pgfutil@g@addto@macro\tikz@lg@temp{\tikz@lg@do{#1}}
   \else%
     \expandafter\pgfutil@g@addto@macro\expandafter\tikz@lg@temp\expandafter{\pgf@temp}
-  \fi  
-}
+  \fi
+}%
 
 \def\tikz@lib@graph@do@use#1{%
   \tikz@lg@init@color{#1}{\tikz@lgc@all@true\tikz@lgc@source@true\tikz@lgc@target@true}%
-}
+}%
 
 \tikzgraphsset{
   typeset/.store in=\tikz@lib@graph@typesetter,
   math nodes/.style={/tikz/graphs/typeset=$\tikzgraphnodetext$},
   empty nodes/.style={/tikz/graphs/typeset=},
   typeset=\tikzgraphnodetext
-}
+}%
 
 
-% 
-% Handle scope 
+%
+% Handle scope
 %
 \def\tikz@lib@graph@scope#1{
   \begingroup%
@@ -1312,7 +1312,7 @@
     \tikz@lib@graph@start@hint@group%
       \tikz@lib@graph@parse@group{#1}%
     \tikz@lib@graph@end@hint@group%
-    \expandafter%  
+    \expandafter%
   \endgroup%
   \expandafter\expandafter\expandafter\def%
   \expandafter\expandafter\expandafter\tikz@lib@graph@node@list%
@@ -1324,7 +1324,7 @@
       \tikzerror{One of the arrow types <-, --, ->, -!-, or <-> expected}%
     }%
   }%
-}
+}%
 
 \def\tikz@lib@graph@scope@minus-{
   \pgfutil@ifnextchar>\tikz@lib@graph@forward@arrow{%
@@ -1337,20 +1337,20 @@
       }%
     }%
   }%
-}
+}%
 
 \def\tikz@lib@graph@scope@less<-{\tikz@lib@graph@back@arrow}%
 
 
 
 
-% 
-% Predefining graphs 
-% 
+%
+% Predefining graphs
+%
 
 \tikzgraphsset{
   declare/.code 2 args={\expandafter\def\csname tikz@lib@graph@def@#1\endcsname{\tikz@lib@graph@do@graph{#2}}}%
-}
+}%
 
 \def\tikz@lib@graph@handle@graph#1{%
   \begingroup%
@@ -1359,17 +1359,17 @@
     \tikz@lib@graph@start@hint@group%
       \csname tikz@lib@graph@def@\tikz@lib@graph@name@only\endcsname%
     \tikz@lib@graph@end@hint@group%
-    \expandafter%  
+    \expandafter%
   \endgroup%
   \expandafter\expandafter\expandafter\def%
   \expandafter\expandafter\expandafter\tikz@lib@graph@node@list%
-  \expandafter\expandafter\expandafter{\expandafter\tikz@lib@graph@node@list\tikz@lib@graph@node@list}% 
+  \expandafter\expandafter\expandafter{\expandafter\tikz@lib@graph@node@list\tikz@lib@graph@node@list}%
   \tikz@lib@graph@hint@aftergroup%
-}
+}%
 
 \def\tikz@lib@graph@do@graph#1{%
   \tikz@lib@graph@parse@group{#1}%
-}
+}%
 
 \let\tikz@lib@graph@path\pgfutil@empty
 
@@ -1379,13 +1379,13 @@
   name/.code={%
     \edef\tikz@lib@graph@path{\tikz@lib@graph@path#1\tikz@lib@graph@name@separator}%
   }%
-}
+}%
 
 
 %
 % Colors
-% 
-\def\tikz@lg@newif{\csname newif\endcsname}
+%
+\def\tikz@lg@newif{\csname newif\endcsname}%
 \tikzgraphsset{
   as/.code=\def\tikzgraphnodeas{#1},%
   color class/.style={%
@@ -1415,17 +1415,17 @@
   color class=target,
   color class=target',
   color class=all
-}
+}%
 
 \def\tikz@lg@init@color#1#2{%
   \expandafter\gdef\csname tikz@lgc@#1\endcsname{#2}%
-}
+}%
 
 \def\tikz@lib@graph@cleanup#1{%
   \expandafter\global\expandafter\let\csname tikz@lgc@#1\endcsname\relax%
   \ifcsname tikz@lgca@@#1\endcsname\expandafter\global\expandafter\let\csname tikz@lgca@@#1\endcsname\relax\fi%
   \ifcsname tikz@lgcb@@#1\endcsname\expandafter\global\expandafter\let\csname tikz@lgcb@@#1\endcsname\relax\fi%
-}
+}%
 
 \def\tikz@lg@colorize#1{%
   \expandafter\let\expandafter\pgf@temp\csname tikz@lgc@#1\endcsname%
@@ -1434,14 +1434,14 @@
   \expandafter\expandafter\expandafter{%
     \expandafter\tikz@lg@col\pgf@temp}%
   \expandafter\global\expandafter\let\csname tikz@lgc@#1\endcsname\pgf@temp%
-}
+}%
 
 \def\tikz@lg@change@color#1{%
   \def\tikz@lg@temp@save{#1}%
   \let\tikz@lg@collect\pgfutil@empty%
   \expandafter\let\expandafter\pgf@temp\csname tikz@lgc@#1\endcsname%
   \expandafter\tikz@lg@change@check\pgf@temp\pgf@stop%
-}
+}%
 \def\tikz@lg@change@check#1{%
   \ifx#1\pgf@stop%
     \tikz@lg@change@write@back%
@@ -1454,14 +1454,14 @@
     \fi%
     \expandafter\tikz@lg@change@check
   \fi%
-}
+}%
 \def\tikz@lg@change@add#1{%
   \expandafter\def\expandafter\tikz@lg@collect\expandafter{\tikz@lg@collect#1}%
-}
+}%
 
 \def\tikz@lg@change@write@back{%
   \expandafter\global\expandafter\let\csname tikz@lgc@\tikz@lg@temp@save\endcsname\tikz@lg@collect%
-}
+}%
 
 
 
@@ -1479,25 +1479,25 @@
     \fi%
   }%
   \iftikz@color@test#3\else#4\fi%
-}
+}%
 \newif\iftikz@color@test
 
-\def\tikz@lg@if@local@node#1#2#3{\expandafter\ifx\csname tikz@lgc@#1\endcsname\relax#3\else#2\fi}
+\def\tikz@lg@if@local@node#1#2#3{\expandafter\ifx\csname tikz@lgc@#1\endcsname\relax#3\else#2\fi}%
 
-\def\tikz@lib@reset@temp{\let\pgf@temp\iffalse}
+\def\tikz@lib@reset@temp{\let\pgf@temp\iffalse}%
 
-% 
-% Handle connection annotations 
+%
+% Handle connection annotations
 %
 \def\tikz@lib@annotate@#1#2#3#4{%
   \expandafter\ifx\csname tikz@lgc#1@@#2\endcsname\relax%
     \expandafter\gdef\csname tikz@lgc#1@@#2\endcsname{{#3}{#4}}%
-  \else%  
+  \else%
     \expandafter\expandafter\expandafter\tikz@lib@annotate@read\csname tikz@lgc#1@@#2\endcsname{#3}{#4}%
     \expandafter\global\expandafter\let\csname tikz@lgc#1@@#2\endcsname\pgf@temp%
   \fi%
-}
-\def\tikz@lib@annotate@read#1#2#3#4{\def\pgf@temp{{#1,#3}{#2#4}}}
+}%
+\def\tikz@lib@annotate@read#1#2#3#4{\def\pgf@temp{{#1,#3}{#2#4}}}%
 
 \tikzgraphsset{
   source edge style/.code=\tikz@lib@annotate@{a}{\tikz@lib@graph@name}{#1}{},
@@ -1525,7 +1525,7 @@
     \expandafter
   }\expandafter%
   \def\expandafter\tikz@lib@graph@node@list\expandafter{\tikz@lg@packed}%
-}
+}%
 
 \def\tikz@lg@packer#1{%
   \expandafter\ifx\csname tikz@lg@p@#1\endcsname\pgf@stop%
@@ -1533,7 +1533,7 @@
     \expandafter\let\csname tikz@lg@p@#1\endcsname\pgf@stop%
     \expandafter\def\expandafter\tikz@lg@packed\expandafter{\tikz@lg@packed\tikz@lg@do{#1}}
   \fi
-}
+}%
 
 %
 % Color functions
@@ -1543,11 +1543,11 @@
 %
 % #1 = the color name
 % #2 = a macro
-% 
+%
 % Description:
-% 
+%
 % For each node having color #1, the macro #2 will be called. This
-% macro should take a single parameter, which will be set 
+% macro should take a single parameter, which will be set
 % to the node's name.
 
 \def\tikzgraphforeachcolorednode#1#2{%
@@ -1555,8 +1555,8 @@
   \expandafter\def\expandafter\iftikz@lib@graph@color@picker\expandafter{\csname iftikz@lgc@#1@\endcsname}%
   \let\tikz@lib@graph@action#2%
   \let\tikz@lg@do\tikz@lg@pick%
-  \tikz@lib@graph@node@list%  
-}
+  \tikz@lib@graph@node@list%
+}%
 \def\tikz@lg@pick#1{
   {%
     \csname tikz@lgc@#1\endcsname%
@@ -1567,18 +1567,18 @@
     \fi%
   }%
   \iftikz@color@test\tikz@lib@graph@action{#1}\fi%
-}
+}%
 
 
 
-% Prepare a color 
+% Prepare a color
 %
 % #1 is the color name
 % #2 is a counter
 % #3 is a prefix
-% 
+%
 % Description:
-% 
+%
 % You can call this function inside a connector. It will do the
 % following: First, its counts how many nodes exist that have color
 % #1. This number is stored in the counter passed as #2. Furthermore,
@@ -1587,7 +1587,7 @@
 % and the third red node is called foo and if #3 is "bar", then a
 % macro called "\bar3" is set to "foo" as if you had said
 % "\expandafter\def\csname bar3\endcsname{foo}".
-% 
+%
 % The bottom line of all this is that after a preparation you can
 % easily iterate over nodes having a certain color. If you wish to
 % iterate over a single color, it will be quicker and easier to call
@@ -1599,18 +1599,18 @@
   \tikz@lib@graph@count0\relax
   \def\tikz@lib@graph@prefix{#3}%
   \tikzgraphforeachcolorednode{#1}\tikz@lib@graph@prepare%
-}
+}%
 
 \def\tikz@lib@graph@prepare#1{%
   \advance\tikz@lib@graph@count by1\relax%
   \expandafter\def\csname\tikz@lib@graph@prefix\the\tikz@lib@graph@count\endcsname{#1}%
-}
+}%
 
 
 
 
-% 
-% The bipartite connector 
+%
+% The bipartite connector
 %
 
 \tikzgraphsset{
@@ -1625,21 +1625,21 @@
     complete bipartite={#1}{#2}
   },
   induced complete bipartite/.default={target'}{source'},
-}
+}%
 
 \def\tikz@lib@graph@bipartite@outer#1{%
   \def\tikz@lib@graph@from{#1}%
   {%
     \tikzgraphforeachcolorednode{\tikz@lg@shoreb}\tikz@lib@graph@bipartite@inner%
   }%
-}
+}%
 
 \def\tikz@lib@graph@bipartite@inner#1{%
   \def\pgf@temp{#1}%
   \ifx\pgf@temp\tikz@lib@graph@from\else%
     \tikz@lib@graph@default@new@edge{\tikz@lib@graph@from}{#1}%
   \fi%
-}
+}%
 
 \def\tikz@lib@graph@default@new@edge#1#2{%
   \pgfkeysgetvalue{/tikz/graphs/@edges styling}\pgf@temp
@@ -1652,7 +1652,7 @@
   \expandafter\expandafter\expandafter{\expandafter\pgf@temp\tikz@lib@add@temp}%
   \expandafter\expandafter\expandafter\tikz@lib@graph@default@new@edge@%
   \expandafter\expandafter\expandafter{\expandafter\pgf@temp\expandafter}\expandafter{\pgf@temp@b}{#1}{#2}%
-}
+}%
 \def\tikz@lib@graph@default@new@edge@#1#2#3#4{%
   \iftikz@lib@graph@simple%
     \edef\tikz@temp{{\pgfkeysvalueof{/tikz/graphs/default edge kind}}{#3}{#4}}
@@ -1660,24 +1660,24 @@
   \else%
     \pgfkeys{/tikz/graphs/.cd,new \pgfkeysvalueof{/tikz/graphs/default edge kind}={#3}{#4}{#1}{#2}}%
   \fi%
-}
+}%
 \def\tikz@lib@graph@add@edge@annotations#1#2{%
   \ifcsname tikz@lgc#1@@#2\endcsname%
     \expandafter\let\expandafter\tikz@lg@temp@\csname tikz@lgc#1@@#2\endcsname%
     \ifx\tikz@lg@temp@\relax\else
       \expandafter\tikz@lib@graph@add@edge@annotations@\tikz@lg@temp@%
-      \let\tikz@lib@add@temp\tikz@lib@final@edge@style  
+      \let\tikz@lib@add@temp\tikz@lib@final@edge@style
     \fi%
   \fi%
-}
+}%
 \def\tikz@lib@graph@add@edge@annotations@#1#2{
   \expandafter\def\expandafter\pgf@temp\expandafter{\pgf@temp,#1}%
   \expandafter\def\expandafter\pgf@temp@b\expandafter{\pgf@temp@b#2}%
-}
-\def\tikz@lib@final@edge@style{,after source and target edge/.try}
+}%
+\def\tikz@lib@final@edge@style{,after source and target edge/.try}%
 
-% 
-% The clique connector 
+%
+% The clique connector
 %
 
 \tikzgraphsset{
@@ -1686,7 +1686,7 @@
       \tikz@lg@clique@loop%
     }},
   clique/.default=all
-}
+}%
 
 \def\tikz@lg@clique@loop{%
   \ifnum\c@pgf@counta=0\relax%
@@ -1696,7 +1696,7 @@
     \advance\c@pgf@counta by-1\relax%
     \expandafter\tikz@lg@clique@loop%
   \fi%
-}
+}%
 
 \def\tikz@lg@clique@loop@inner{%
   \advance\c@pgf@countb by-1\relax%
@@ -1704,11 +1704,11 @@
     \tikz@lib@graph@default@new@edge{\csname tikz@lg\the\c@pgf@countb\endcsname}{\csname tikz@lg\the\c@pgf@counta\endcsname}%
     \expandafter\tikz@lg@clique@loop@inner%
   \fi%
-}
+}%
 
 
-% 
-% The independent set connector 
+%
+% The independent set connector
 %
 
 \tikzgraphsset{
@@ -1720,7 +1720,7 @@
       \pgfkeyslet{/tikz/graphs/default edge kind}\tikz@lg@default%
     }},
   induced independent set/.default=all
-}
+}%
 
 \def\tikz@lg@indep@loop{%
   \ifnum\c@pgf@counta=0\relax%
@@ -1730,7 +1730,7 @@
     \advance\c@pgf@counta by-1\relax%
     \expandafter\tikz@lg@indep@loop%
   \fi%
-}
+}%
 
 \def\tikz@lg@indep@loop@inner{%
   \advance\c@pgf@countb by-1\relax%
@@ -1738,22 +1738,22 @@
     \tikz@lib@graph@default@new@edge{\csname tikz@lg\the\c@pgf@counta\endcsname}{\csname tikz@lg\the\c@pgf@countb\endcsname}%
     \expandafter\tikz@lg@indep@loop@inner%
   \fi%
-}
+}%
 
 
-% 
-% The path connector 
+%
+% The path connector
 %
 
 \tikzgraphsset{
   path/.style={operator={%
       \let\tikz@lg@prev\relax%
         \tikzgraphforeachcolorednode{#1}\tikz@lib@graph@path@do%
-  }},   
+  }},
   path/.default=all,
   induced path/.style={induced independent set={#1},path={#1}},
   induced path/.default=all,
-}
+}%
 
 \def\tikz@lib@graph@path@do#1{%
   \ifx\tikz@lg@prev\relax%
@@ -1761,11 +1761,11 @@
     \tikz@lib@graph@default@new@edge{\tikz@lg@prev}{#1}%
   \fi
   \def\tikz@lg@prev{#1}%
-}
+}%
 
 
-% 
-% The cycle connector 
+%
+% The cycle connector
 %
 
 \tikzgraphsset{
@@ -1781,7 +1781,7 @@
   cycle/.default=all,
   induced cycle/.style={induced independent set={#1},cycle={#1}},
   induced cycle/.default=all,
-}
+}%
 
 \def\tikz@lib@graph@cycle@do#1{%
   \ifx\tikz@lg@prev\relax%
@@ -1791,13 +1791,13 @@
     \tikz@lib@graph@default@new@edge{\tikz@lg@prev}{#1}%
     \def\tikz@lg@prev{#1}%
   \fi%
-}
+}%
 
 
 
 
-% 
-% The matching and star connector 
+%
+% The matching and star connector
 %
 
 \tikzgraphsset{
@@ -1811,7 +1811,7 @@
     }%
   },
   matching and star/.default={target'}{source'}
-}
+}%
 
 \def\tikz@lib@graph@flow@do#1{%
   \advance\c@pgf@countb by1\relax%
@@ -1822,7 +1822,7 @@
     \tikz@lib@graph@default@new@edge{\csname tikz@lg\the\c@pgf@countb\endcsname}{#1}%
   \fi%
   \def\tikz@lg@prev{#1}%
-}
+}%
 
 \def\tikz@lib@graph@flow@rest{%
   \ifnum\c@pgf@countb<\c@pgf@counta\relax%
@@ -1832,12 +1832,12 @@
       \expandafter\tikz@lib@graph@flow@rest%
     \fi%
   \fi%
-}
+}%
 
 
 
-% 
-% The matching connector 
+%
+% The matching connector
 %
 
 \tikzgraphsset{
@@ -1849,7 +1849,7 @@
     }%
   },
   matching/.default={target'}{source'}
-}
+}%
 
 \def\tikz@lib@graph@matching@do#1{%
   \advance\c@pgf@countb by1\relax%
@@ -1857,14 +1857,14 @@
   \else%
     \tikz@lib@graph@default@new@edge{\csname tikz@lg\the\c@pgf@countb\endcsname}{#1}%
   \fi%
-}
+}%
 
 
 
 
 
-% 
-% The butterfly connector 
+%
+% The butterfly connector
 %
 
 \tikzgraphsset{
@@ -1889,7 +1889,7 @@
   butterfly/to/.initial=source',
   butterfly'/.style={operator={}{\tikz@butterfly@primetrue\pgfkeysalso{butterfly={#1}}}},
   butterfly'/.default=,
-}
+}%
 
 \newif\iftikz@butterfly@prime
 
@@ -1924,15 +1924,15 @@
     \c@pgf@countc=\c@pgf@counta\relax%
   \fi%
   \tikz@lib@graph@default@new@edge{\csname tikz@lg\the\c@pgf@countc\endcsname}{#1}%
-}
+}%
 
 
 
 
-% 
-% The no edges connector 
 %
-\tikzgraphsset{no edges/.style={operator=\relax}}
+% The no edges connector
+%
+\tikzgraphsset{no edges/.style={operator=\relax}}%
 
 
 
@@ -1949,7 +1949,7 @@
     }%
   },
   grid/.default=all
-}
+}%
 
 \def\tikzgraphpreparewrapafter{%
   \pgfkeysgetvalue{/tikz/graphs/wrap after}\tikz@temp%
@@ -1960,7 +1960,7 @@
   \else%
     \edef\tikzgraphwrapafter{\tikz@temp}
   \fi%
-}
+}%
 
 \def\tikz@lg@grid@loop{%
   \ifnum\c@pgf@counta=0\relax%
@@ -1982,7 +1982,7 @@
     \advance\c@pgf@counta by-1\relax%
     \expandafter\tikz@lg@grid@loop%
   \fi%
-}
+}%
 
 
 
@@ -1992,32 +1992,32 @@
 % It is not the job of the graph library to compute good positions for
 % nodes in a graph. However, some basic support is provided for simple
 % cases.
-% 
+%
 % The idea is at follows: Graphs are specified hierarchically. For
 % instance, consider the following graph specification:
-% 
+%
 % graph { a, b, c -> d -> {e -> f -> g, h} -> i, j -> k }
-% 
+%
 % Here, we have the *group* {e->f->g,h} inside the larger graph
 % specification. Each group consists of sequence of *chains* like
 % e->f->g or j->k.
-% 
+%
 % In order to facilitate the automatic positioning of nodes, the graph
 % library will provide you with information about the position of
 % nodes inside their groups and chains.
-% 
+%
 % As a chain is being parsed, a counter stored in
 % /tikz/graphs/placement/element count is available that is advanced for
-% each element in the chain. 
-% 
+% each element in the chain.
+%
 % Additionally, a counter stored in placement/width is
 % available. This "logical" width is defined recursively as follows: The
 % width of a single node is computed by calling the key
 % placement/logical node width, which should return a real or logical
-% width of the node passed as a parameter in the macor \pgfmathresult. The
+% width of the node passed as a parameter in the macro \pgfmathresult. The
 % width of a chain is the sum of the widths of its elements. The
 % width of a  group is the maximum of the widths of its elements.
-% 
+%
 %
 % Symmetrically, as a group is being constructed, a counter stored in
 % placement/chain count is available that is advanced for each chain
@@ -2025,21 +2025,21 @@
 % recursively as follows: For a single node, the depth is
 % computed by the key placement/logical node depth. The depth
 % of a group is the sum of the depths of its elements. The depth of a
-% chain is the maximum of the depth of its elements. 
+% chain is the maximum of the depth of its elements.
+%
 %
-% 
 % The above keys get updated automatically. You should setup the key
 % placement/compute position such that it uses the above keys to
 % compute a good position for a new node based on the above
 % keys. Typically, this key should execute node={shift=(...)} to setup
 % the necessary shift for a new node.
-% 
+%
 % The key placement/compute position should not be called
 % directly. Instead, the key placement/place should be used. This key
 % has two effects: First, it calls placement/compute position. Second,
 % it resets the length and normal counters. It will setup a completely
 % new counting of lengths and counters inside the current scope.
-% 
+%
 % The placmenet/place key is executed automatically whenever a new
 % node is automatically created. Furthermore, placement strategies
 % will call this key.
@@ -2064,20 +2064,20 @@
   level/.initial=0,
   logical node depth/.code=\def\pgfmathresult{1},
   logical node width/.code=\def\pgfmathresult{1},
-}
+}%
 
 \def\tikz@lib@graph@reset@locals{%
   \gdef\tikz@lib@graph@group@depth{0}%
   \gdef\tikz@lib@graph@group@width{0}%
-}
+}%
 
 
-% Arrange nodes evenly 
-% 
+% Arrange nodes evenly
+%
 % This strategy works as follows: You specify a "chain shift vector"
 % and a "group shift vector". Then each new element on a chain is
 % shifted by the chain shift vector relative to the previous element
-% on the chain. Similarly for each new element of a group. 
+% on the chain. Similarly for each new element of a group.
 
 \tikzgraphsset{
   Cartesian placement/.style={
@@ -2142,9 +2142,9 @@
     placement/logical node depth/.code=\def\pgfmathresult{1}
   },
   branch down/.default=1,
-  % 
-  % Sep shifts 
-  % 
+  %
+  % Sep shifts
+  %
   grow right sep/.style={
     Cartesian placement,
     chain shift={(1pt,0)},
@@ -2217,26 +2217,26 @@
     nodes={anchor=\csname tikz@lib@graph@auto@\tikz@lib@graph@auto@h @\tikz@lib@graph@auto@v\endcsname},
     /utils/exec=\def\tikz@lib@graph@auto@v{#1}
   },
-  % 
-  % 
+  %
+  %
   no placement/.style={
     placement/place,
     placement/compute position/.code=%
   }
-}
+}%
 
-\def\tikz@lib@graph@auto@h{center}
-\def\tikz@lib@graph@auto@v{center}
+\def\tikz@lib@graph@auto@h{center}%
+\def\tikz@lib@graph@auto@v{center}%
 
-\def\tikz@lib@graph@auto@center@center{center}
-\def\tikz@lib@graph@auto@west@center{west}
-\def\tikz@lib@graph@auto@east@center{east}
-\def\tikz@lib@graph@auto@center@north{north}
-\def\tikz@lib@graph@auto@west@north{north west}
-\def\tikz@lib@graph@auto@east@north{north east}
-\def\tikz@lib@graph@auto@center@south{south}
-\def\tikz@lib@graph@auto@west@south{south west}
-\def\tikz@lib@graph@auto@east@south{south east}
+\def\tikz@lib@graph@auto@center@center{center}%
+\def\tikz@lib@graph@auto@west@center{west}%
+\def\tikz@lib@graph@auto@east@center{east}%
+\def\tikz@lib@graph@auto@center@north{north}%
+\def\tikz@lib@graph@auto@west@north{north west}%
+\def\tikz@lib@graph@auto@east@north{north east}%
+\def\tikz@lib@graph@auto@center@south{south}%
+\def\tikz@lib@graph@auto@west@south{south west}%
+\def\tikz@lib@graph@auto@east@south{south east}%
 
 \def\tikz@lib@graph@linear@pos{%
   \pgfkeysgetvalue{/tikz/graphs/chain shift}\tikz@temp
@@ -2251,29 +2251,29 @@
   \advance\pgf@ya by\pgf@y%
   \edef\tikz@lib@graph@shift{(\the\pgf@xa,\the\pgf@ya)}
   \pgfkeys{/tikz/graphs/nodes/.expanded={shift={\tikz@lib@graph@shift}}}
-}
+}%
 
 
 \def\tikz@lib@graph@width@sep#1#2{%
   \pgf@process{\pgfpointdiff{\pgfpointanchor{#1}{west}}{\pgfpointanchor{#1}{east}}}%
   \pgfmathparse{#2+\the\pgf@x}%
-}
+}%
 
 \def\tikz@lib@graph@depth@sep#1#2{%
   \pgf@process{\pgfpointdiff{\pgfpointanchor{#1}{south}}{\pgfpointanchor{#1}{north}}}%
   \pgfmathparse{#2+\the\pgf@y}%
-}
+}%
 
 
-% Circular arrangements 
-% 
+% Circular arrangements
+%
 % This strategy works a bit like the arrange evenly strategy, but in
 % polar coordinates. Both for the chains and the groups you specify a
 % polar shift, which must be in the form "(delta degree:delta
 % distance)". For each element in a chain, the delta degree is added
 % to the chain degree, likewise for each element the delta distance is
 % added. Similarly for groups.
-% 
+%
 % There is an initial degree and radius, stored in the key "phase" and
 % "radius".
 
@@ -2298,7 +2298,7 @@
   group polar shift/.initial={(60:0)},
   radius/.initial=1cm,
   phase/.initial=90,
-}
+}%
 
 \def\tikz@lib@graph@circular@pos{%
   \pgfkeysgetvalue{/tikz/graphs/chain polar shift}\tikz@temp
@@ -2316,13 +2316,13 @@
   \pgfmathsetmacro\tikz@temp{\the\pgf@xa+\pgfkeysvalueof{/tikz/graphs/phase}}%
   \edef\tikz@lib@graph@shift{(\tikz@temp:\the\pgf@ya)}
   \pgfkeys{/tikz/graphs/nodes/.expanded={shift={\tikz@lib@graph@shift}}}
-}
+}%
 
 
 \def\tikz@lib@graph@decompose@polar(#1:#2){%
   \pgfmathsetlength\pgf@x{#1}%
   \pgfmathsetlength\pgf@y{#2}%
-}
+}%
 
 
 % Grid arrangements
@@ -2332,7 +2332,7 @@
     placement/place,
     placement/compute position/.code=\tikz@lib@graph@grid@pos,%
   },
-}
+}%
 
 
 \def\tikz@lib@graph@grid@pos{%
@@ -2355,33 +2355,33 @@
   \pgfkeysgetvalue{/tikz/graphs/group shift}\tikz@temp%
   \expandafter\tikz@scan@one@point\expandafter\tikz@lib@graph@grid@pos@a\tikz@temp%
   \pgfkeysgetvalue{/tikz/graphs/chain shift}\tikz@temp%
-  \expandafter\tikz@scan@one@point\expandafter\tikz@lib@graph@grid@pos@b\tikz@temp%  
+  \expandafter\tikz@scan@one@point\expandafter\tikz@lib@graph@grid@pos@b\tikz@temp%
   %
   % apply the shift
   %
   \edef\tikz@lib@graph@shift{(\the\pgf@xa,\the\pgf@ya)}
   \pgfkeys{/tikz/graphs/nodes/.expanded={shift={\tikz@lib@graph@shift}}}
-}
+}%
 
-\def\tikz@lib@graph@grid@pos@a#1{\pgf@process{\pgfpointscale{\tikz@temp@row}{#1}}\pgf@xa=\pgf@x\relax\pgf@ya=\pgf@y\relax}
+\def\tikz@lib@graph@grid@pos@a#1{\pgf@process{\pgfpointscale{\tikz@temp@row}{#1}}\pgf@xa=\pgf@x\relax\pgf@ya=\pgf@y\relax}%
 \def\tikz@lib@graph@grid@pos@b#1{\pgf@process{\pgfpointscale{\tikz@temp@col}{#1}}%
   \advance\pgf@xa by\pgf@x\relax
-  \advance\pgf@ya by\pgf@y\relax}
+  \advance\pgf@ya by\pgf@y\relax}%
 
 \tikzgraphsset{
   % Grids:
   wrap after/.initial=0,
   % Node sets:
   V/.code={%
-    \def\tikzgraphV{#1}
-    \c@pgf@counta=0\foreach \tikz@dummy in {#1} {\global\advance\c@pgf@counta by1\relax}
+    \def\tikzgraphV{#1}%
+    \c@pgf@counta=0\foreach \tikz@dummy in {#1} {\global\advance\c@pgf@counta by1\relax}%
     \edef\tikzgraphVnum{\the\c@pgf@counta}
   },
   V={1},
   n/.style={V={1,...,#1},name shore V/.style={name=V}},
   W/.code={%
-    \def\tikzgraphW{#1}
-    \c@pgf@counta=0\foreach \tikz@dummy in {#1} {\global\advance\c@pgf@counta by1\relax}
+    \def\tikzgraphW{#1}%
+    \c@pgf@counta=0\foreach \tikz@dummy in {#1} {\global\advance\c@pgf@counta by1\relax}%
     \edef\tikzgraphWnum{\the\c@pgf@counta}
   },
   W={1},
@@ -2389,7 +2389,7 @@
   % Shores:
   name shore V/.style=,
   name shore W/.style=,
-}
+}%
 
 
 
@@ -2439,7 +2439,7 @@
 %
 %
 % Things that are allowed in the normal syntax, but not in the quick
-% syntax, include: 
+% syntax, include:
 %
 % - Connecting a node and a group as in a->{b,c}.
 % - Node names without quotation marks.
@@ -2464,7 +2464,7 @@
 %
 %
 
-\tikzgraphsset{quick/.is if=tikz@graph@quick}
+\tikzgraphsset{quick/.is if=tikz@graph@quick}%
 \newif\iftikz@graph@quick
 
 \def\tikz@lib@graphs@parse@quick@graph{
@@ -2475,21 +2475,21 @@
   \let\tikzgraphnodepath\pgfutil@empty%
   \tikz@q@outertrue%
   \afterassignment\tikz@lib@graphs@quick@main\let\pgf@temp=%
-}
+}%
 
 \newcount\tikz@qnode@count
 \newif\iftikz@q@outer
 
 \def\tikz@lib@graphs@quick@main{%
   \afterassignment\tikz@lib@graphs@quick@handle\let\pgf@let@token=%
-}
+}%
 \def\tikz@lib@graphs@quick@handle{%
   \ifx\pgf@let@token"%
     \expandafter\tikz@lib@graphs@quick@first@node%
   \else%
     \expandafter\tikz@lib@graphs@quick@other%
   \fi%
-}
+}%
 \def\tikz@lib@graphs@quick@other{%
   \let\tikz@next\tikz@lib@graphs@quick@error%
   \ifx\pgf@let@token\egroup%
@@ -2502,22 +2502,22 @@
         \let\tikz@next\tikz@lib@graphs@quick@main%
       \fi%
     \fi
-  \fi%  
+  \fi%
   \tikz@next%
-}
+}%
 
-\def\tikz@lib@graphs@quick@error#1{\tikzerror{Unexpected token '\string#1' in quick graph syntax}\tikz@lib@graphs@quick@main}
+\def\tikz@lib@graphs@quick@error#1{\tikzerror{Unexpected token '\string#1' in quick graph syntax}\tikz@lib@graphs@quick@main}%
 \def\tikz@lib@graphs@quick@start@group{%
   \pgfutil@ifnextchar[\tikz@lib@graphs@quick@start@group@{\tikzerror{Group
       in quick graph syntax must start with options.}}
-}
+}%
 
 \def\tikz@lib@graphs@quick@start@group@[#1]{%
   \begingroup%
     \tikz@q@outerfalse%
     \tikzgraphsset{#1}%
     \tikz@lib@graphs@quick@main%
-}
+}%
 \def\tikz@lib@graphs@quick@end@group{%
   \iftikz@q@outer%
     \endgroup%
@@ -2526,27 +2526,27 @@
     \ifnum\tikz@qnode@count>0\relax%
       \expandafter\global\expandafter\let\csname tikz@gr@q@@\csname tikz@gr@qn@@\the\tikz@qnode@count\endcsname\endcsname\relax%
       \expandafter\global\expandafter\let\csname tikz@gr@qn@@\the\tikz@qnode@count\endcsname\relax%
-      \global\advance\tikz@qnode@count by-1\relax%  
+      \global\advance\tikz@qnode@count by-1\relax%
     \pgfutil@repeat%
     \expandafter\tikz@lib@graph@main@done%
   \else%
     \endgroup%
-    \expandafter\tikz@lib@graphs@end@group@%  
-  \fi%  
-}
+    \expandafter\tikz@lib@graphs@end@group@%
+  \fi%
+}%
 \def\tikz@lib@graphs@end@group@{%
   \pgfutil@ifnextchar;{\expandafter\tikz@lib@graphs@quick@main\pgfutil@gobble}{%
     \pgfutil@ifnextchar,{\expandafter\tikz@lib@graphs@quick@main\pgfutil@gobble}{%
       \tikzerror{Graph groups in quick syntax must be followed by a semicolon or a comma.}%
     }%
   }%
-}
+}%
 
 
 \def\tikz@lib@graphs@quick@first@node{%
   \let\tikz@quick@prev@node\relax%
   \tikz@lib@graphs@quick@node%
-}
+}%
 
 \def\tikz@lib@graphs@quick@node#1"{%
   \def\tikzgraphnodename{#1}%
@@ -2556,14 +2556,14 @@
     \global\advance\tikz@lib@auto@number by1\relax%
   \fi
   \pgfutil@ifnextchar/\tikz@lib@graphs@quick@text\tikz@lib@graphs@quick@opt%
-}
+}%
 \def\tikz@lib@graphs@quick@text/"#1"{%
   \def\tikzgraphnodetext{#1}%
   \tikz@lib@graphs@quick@opt%
-}
+}%
 \def\tikz@lib@graphs@quick@opt{%
   \pgfutil@ifnextchar[\tikz@lib@graphs@quick@withopt{\tikz@lib@graphs@quick@withopt[]}%]
-}
+}%
 \def\tikz@lib@graphs@quick@withopt[#1]{%
   % Test, whether node already exists
   \expandafter\ifx\csname tikz@gr@q@@\tikzgraphnodename\endcsname\relax%
@@ -2583,56 +2583,56 @@
         \tikzgraphnodeas%
       };%
   \else%
-    %  
+    %
     % Handle late options and operators
     \tikzgdlatenodeoptionacallback{\tikzgraphnodename}%
     \node also[graphs/redirect unknown to tikz,/tikz/graphs/.cd,#1](\tikzgraphnodename);%
   \fi%
-  % Connect, if necessary 
+  % Connect, if necessary
   \tikz@lig@graph@quikc@make@edge@if@necessary%
   \tikz@lib@graphs@quick@scan@after@node%
-}
+}%
 
 \def\tikz@lig@graph@quikc@make@edge@if@necessary{%
   \ifx\tikz@quick@prev@node\relax%
   \else%
     \tikz@lib@graphs@quick@make@edge%
   \fi%
-}
+}%
 
 \def\tikz@lib@graphs@quick@scan@after@node{%
   \pgfutil@ifnextchar,\tikz@lib@graphs@quick@comma{%
     \pgfutil@ifnextchar;\tikz@lib@graphs@quick@semi{%
       \pgfutil@ifnextchar\egroup{\tikz@lib@graphs@quick@semi;}{%
         \pgfutil@ifnextchar\par{\expandafter\tikz@lib@graphs@quick@scan@after@node\tikz@lib@graphs@quick@gobble@par}%
-        \tikz@lib@graphs@quick@connector}}}%    
-}
+        \tikz@lib@graphs@quick@connector}}}%
+}%
 \long\def\tikz@lib@graphs@quick@gobble@par#1{}%
 
-\def\tikz@lib@graphs@quick@comma,{\tikz@lib@graphs@quick@main}
-\def\tikz@lib@graphs@quick@semi;{\tikz@lib@graphs@quick@main}
+\def\tikz@lib@graphs@quick@comma,{\tikz@lib@graphs@quick@main}%
+\def\tikz@lib@graphs@quick@semi;{\tikz@lib@graphs@quick@main}%
 \def\tikz@lib@graphs@quick@connector#1#2{%
   \def\tikz@lib@graphs@quick@edge@kind{#1#2}%
   \pgfutil@ifnextchar>\tikz@lib@graphs@back@edge{%
     \pgfutil@ifnextchar[\tikz@lib@graphs@quick@connector@handle@opt{\tikz@lib@graphs@quick@connector@handle@opt[]}%]
   }%
-}
+}%
 \def\tikz@lib@graphs@back@edge#1{%
   \expandafter\def\expandafter\tikz@lib@graphs@quick@edge@kind\expandafter{\tikz@lib@graphs@quick@edge@kind#1}%
   \pgfutil@ifnextchar[\tikz@lib@graphs@quick@connector@handle@opt{\tikz@lib@graphs@quick@connector@handle@opt[]}%]
-}
+}%
 \def\tikz@lib@graphs@quick@connector@handle@opt[#1]{%
   \def\tikz@lib@graphs@quick@edge@options{#1}%
   \let\tikz@quick@prev@node\tikzgraphnodename%
   \tikz@lib@graphs@quick@scan@after@connector%
-}
+}%
 \def\tikz@lib@graphs@quick@scan@after@connector{%
   \pgfutil@ifnextchar\par{\expandafter\tikz@lib@graphs@quick@scan@after@connector\tikz@lib@graphs@quick@gobble@par}{%
     \pgfutil@ifnextchar"{\expandafter\tikz@lib@graphs@quick@node\pgfutil@gobble}{%
       \tikzerror{Quotation marks expected after edge connector}%
       }%
   }%
-}
+}%
 
 \def\tikz@lib@graphs@quick@make@edge{%
   {
@@ -2640,22 +2640,22 @@
     \expandafter\expandafter\expandafter\tikz@lib@graphs@quick@make@edge@for%
     \expandafter\expandafter\expandafter{\expandafter\tikz@quick@prev@node\expandafter}\expandafter{\tikzgraphnodename}%
   }
-}
+}%
 
 \def\tikz@lib@graphs@quick@make@edge@styling#1{%
   \tikz@enable@edge@quotes%
   \tikzgraphsset{.unknown/.code=\tikz@lib@graph@unknown@edge@option{##1},#1}%
-}
+}%
 
 \def\tikz@lib@graphs@quick@make@edge@for#1#2{%
   \pgfkeysgetvalue{/tikz/graphs/@edges styling}\pgf@tempa
   \pgfkeysgetvalue{/tikz/graphs/@edges node}\pgf@temp@b
   \expandafter\expandafter\expandafter\tikz@lib@graphs@quick@make@edge@for@with%
   \expandafter\expandafter\expandafter{\expandafter\pgf@tempa\expandafter}\expandafter{\pgf@temp@b}{#1}{#2}%
-}
+}%
 
 \def\tikz@lib@graphs@quick@make@edge@for@with#1#2#3#4{%
   \tikzgraphsset{new \tikz@lib@graphs@quick@edge@kind={#3}{#4}{#1}{#2}}%
-}
+}%
 
 \endinput
diff --git a/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.standard.code.tex b/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.standard.code.tex
index a56702bcf96..bfceb3769a5 100644
--- a/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.standard.code.tex
+++ b/Master/texmf-dist/tex/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.standard.code.tex
@@ -8,7 +8,7 @@
 %
 % See the file doc/generic/pgf/licenses/LICENSE for more details.
 
-\ProvidesFileRCS[v\pgfversion] $Header: /cvsroot/pgf/pgf/generic/pgf/frontendlayer/tikz/libraries/graphs/tikzlibrarygraphs.standard.code.tex,v 1.9 2012/02/27 20:00:11 tantau Exp $
+\ProvidesFileRCS{tikzlibrarygraphs.standard.code.tex}
 
 
 %
@@ -43,16 +43,16 @@
   },
   %
   % A complete bipartite graph with shores V and W.
-  % 
+  %
   declare={subgraph K_nm}%
   {
-    [color class=shore V, 
+    [color class=shore V,
      color class=shore W,
      complete bipartite={shore V}{shore W}]
     subgraph I_n [name shore V, shore V] -- [no edges]
     subgraph I_n [name shore W, V/.expand once=\tikzgraphW, shore W]
   },
-  % 
+  %
   % A cycle with n nodes.
   %
   declare={subgraph C_n}%
@@ -60,9 +60,9 @@
     [cycle]
     subgraph I_n
   },
-  % 
+  %
   % A path with n nodes.
-  % 
+  %
   declare={subgraph P_n}%
   {
     [path]
@@ -78,8 +78,8 @@
   },
   %
   % A random graph according to the G_{n,p} model: For each pair of
-  % vertices there is an edge between them with probability p. 
-  % 
+  % vertices there is an edge between them with probability p.
+  %
   p/.initial=0.5,
   declare={subgraph G_np}%
   {
@@ -105,8 +105,4 @@
         [parse/.expand once=\tikz@lg@temp]
       }
   },
-}
-
-
-
-
+}%