--- a/doc/design/graphdrawing.tex	Wed May 04 16:34:28 2011 +0200
+++ b/doc/design/graphdrawing.tex	Wed May 04 16:36:09 2011 +0200
@@ -24,7 +24,7 @@
 \NewEnviron{digraphenv}[2]{\digraph[#1]{#2}{  \BODY }}
 
 \newcommand{\control}[2]{#1:successors:s -> #2:predecessors:n [color=red];}
-\newcommand{\controllabel}[2]{#1 -> #2:predecessors:n [color=red];}
+\newcommand{\controllabel}[2]{#1:s -> #2:predecessors:n [color=red];}
 \newcommand{\data}[2]{#2:usages:s -> #1:inputs [color=black,dir=back];}
 \newcommand{\datalabel}[2]{#2:usages:s -> #1:n [color=black,dir=back];}
 \newcommand{\datalabeltext}[3]{#2:usages:s -> #1:n [color=black,dir=back,label="#3"];}
@@ -35,18 +35,24 @@
 \newcommand{\portinput}[1]{<TD WIDTH="15" HEIGHT="5" PORT="#1" BGCOLOR="lightgrey"></TD>}
 \newcommand{\portsuccessor}[1]{<TD WIDTH="15" HEIGHT="5" PORT="#1" BGCOLOR="rosybrown1"></TD>}
 \newcommand{\portempty}[0]{<TD WIDTH="15" HEIGHT="5"></TD>}
-\newcommand{\genericnodelabel}[2]{</TR></TABLE></TD></TR><TR><TD BORDER="1" COLSPAN="3" BGCOLOR="#2">#1</TD></TR><TR><TD COLSPAN="2" CELLPADDING="0" ALIGN="RIGHT"><TABLE BORDER="0" CELLSPACING="2" CELLPADDING="0"><TR>}
+\newcommand{\genericnodelabel}[2]{</TR></TABLE></TD></TR><TR><TD BORDER="1" COLSPAN="3" BGCOLOR="#2"><FONT POINT-SIZE="12">#1</FONT></TD></TR><TR><TD COLSPAN="2" CELLPADDING="0" ALIGN="RIGHT"><TABLE BORDER="0" CELLSPACING="2" CELLPADDING="0"><TR>}
 
 \newcommand{\nodestart}[0]{start [shape=plaintext, rank=source, label=< <TABLE BORDER="0" CELLSPACING="0"><TR><TD COLSPAN="3"><TABLE BORDER="0"><TR><TD></TD> \genericnodelabel{start}{lightyellow} \portsuccessor{successors} \portempty \genericnodeend }
 
 \newcommand{\nodeend}[0]{\genericnodestart{end} \portempty \portinput{inputs} \genericnodelabel{end}{lightyellow} <TD></TD></TR></TABLE></TD><TD></TD></TR></TABLE>>]}
 
+\newcommand{\nodeconst}[2]{#1 [margin="0.05, 0.05", shape=plaintext, label=< <TABLE BORDER="0" CELLSPACING="0"><TR><TD BORDER="1" BGCOLOR="white"><FONT POINT-SIZE="12">#2</FONT></TD></TR><TR><TD WIDTH="15" HEIGHT="5" PORT="usages" BGCOLOR="lightgrey"></TD></TR></TABLE>>]}
+\newcommand{\nodeframestate}[2]{#1 [margin="0.05, 0.05", shape=plaintext, label=< <TABLE BORDER="0" CELLSPACING="0"><TR><TD WIDTH="15" HEIGHT="5" PORT="predecessors" BGCOLOR="rosybrown1"></TD></TR><TR><TD BORDER="1" BGCOLOR="lightblue"><FONT POINT-SIZE="12">#2</FONT></TD></TR></TABLE>>]}
+
+
 \newcommand{\node}[2]{\genericnodestart{#1} \portempty \portinput{inputs} \genericnodelabel{#2}{white} \portsuccessor{successors} \portempty \genericnodeend }
 \newcommand{\nodebi}[2]{\genericnodestart{#1} \portinput{in1} \portinput{in2} \genericnodelabel{#2}{white} \portsuccessor{successors} \portempty \genericnodeend }
 \newcommand{\nodetri}[2]{\genericnodestart{#1} \portinput{in1} \portinput{in2} \portinput{in3} \genericnodelabel{#2}{white} \portsuccessor{successors} \portempty \portempty \genericnodeend }
-\newcommand{\nodequad}[2]{\genericnodestart{#1} \portinput{in1} \portinput{in2} \portinput{in3} \portinput{in4} \genericnodelabel{#2}{white} \portsuccessor{successors} \portempty \portempty \genericnodeend }
+\newcommand{\nodequad}[2]{\genericnodestart{#1} \portinput{in1} \portinput{in2} \portinput{in3} \portinput{in4} \genericnodelabel{#2}{white} \portsuccessor{successors} \portempty \portempty \portempty \genericnodeend }
 \newcommand{\nodesplit}[2]{\genericnodestart{#1} \portempty \portinput{inputs} \genericnodelabel{#2}{white} \portsuccessor{succ1} \portsuccessor{succ2} \genericnodeend }
+\newcommand{\nodequadsplit}[2]{\genericnodestart{#1} \portinput{in1} \portinput{in2} \portinput{in3} \portinput{in4} \genericnodelabel{#2}{white} \portsuccessor{succ1} \portsuccessor{succ2} \portempty \portempty \genericnodeend }
 \newcommand{\nodesplittri}[2]{\genericnodestart{#1} \portempty \portinput{inputs} \genericnodelabel{#2}{white} \portsuccessor{succ1} \portsuccessor{succ2} \portsuccessor{succ3} \genericnodeend }
+\newcommand{\nodetrap}[2]{\cnodebi{#1}{#2}{rosybrown1}}
 
 \newcommand{\cnode}[3]{\genericnodestart{#1} \portempty \portinput{inputs} \genericnodelabel{#2}{#3} \portsuccessor{successors} \portempty \genericnodeend }
 \newcommand{\cnodebi}[3]{\genericnodestart{#1} \portinput{in1} \portinput{in2} \genericnodelabel{#2}{#3} \portsuccessor{successors} \portempty \genericnodeend }