[graphviz-interest] GrappaLine.updateLine IllegalArgumentException?

We have been using Grappa as a bridge between our software and dot 
for a long time, doing automatic layout of finite state machines. 
Right now I got an IllegalArgumentException I have not seen before, 
and that I cannot understand.

This output from our SW 
https://chalmersuniversity.box.com/shared/static/dlun4qdu95ms2ue88xu5.dot 
displays fine through Grappa and dot.

This output from our SW 
https://chalmersuniversity.box.com/shared/static/017508i7rddnf97yc4q5.dot 
generates the exception:

java.lang.IllegalArgumentException: bad curve specifier string 
(e,221.85,1271.9 172.52,28.546 105.03,41.768 0,68.247 0,105 0,635 
0,635 0,635 1.4211e-014,802.09 16.395,846.43 72,1004 113.81,1122.5 
125.48,1155.9 204,1254 207.06,1257.8 210.57,1261.5 214.23,1265)
	at att.grappa.GrappaLine.updateLine(GrappaLine.java:316)
	at att.grappa.GrappaLine.<init>(GrappaLine.java:95)
	at att.grappa.Attribute.convertStringValue(Attribute.java:528)
	at att.grappa.Attribute.getValue(Attribute.java:164)
	at att.grappa.Element.setAttribute(Element.java:363)
	at att.grappa.CUP$Parser$actions.applyAttrs(Parser.java:790)
	at att.grappa.CUP$Parser$actions.edgeRHS(Parser.java:769)
	at att.grappa.CUP$Parser$actions.edgeWrap(Parser.java:741)
	at att.grappa.CUP$Parser$actions.CUP$Parser$do_action(Parser.java:1299)
	at att.grappa.Parser.do_action(Parser.java:222)
	at java_cup.runtime.lr_parser.parse(lr_parser.java:569)
	at org.supremica.gui.DotBuilder.parseResponse(DotBuilder.java:140)
	at org.supremica.gui.DotBuilder.internalBuild(DotBuilder.java:129)
	at org.supremica.gui.DotBuilder.run(DotBuilder.java:50)

Apparently it is this code
if(pts < 2 || type > BOTH_ARROW_EDGE) {
	    throw new IllegalArgumentException("bad curve specifier string 
(" + curve + ")");
	}
from 
http://projet-kotoba-no-kumo.googlecode.com/svn/trunk/graphviz/att/grappa/GrappaLine.java 
but I have no idea what may be wrong...

Any input appreciated.
And apologies if the links to box.com don't work, they really shoould.

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