[igraph] Parse error in Pajek format

[Fabio Daolio]

Dear all,

I'm using igraph 0.5.5 together with R 2.12.0
I noticed that read.graph() on a .net file fails with a parse error
whenever the file contains a line like

*Arc <x>

where <x> should be the number of edges, I guess.
Removing that number seems to solve the problem, even if the
original .net was a legal Pajek file... (attached)
Could it be an issue with the parsing in igraph? I know you
support just a subset of that file format, anyway I wanted to 
tell everybody in case someone else might find it useful. 

Thanks once again for your good work!
--
Fabio Daolio

MultiphysChemBioEco40W_weighted_dir.net
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