chunkbody dumps core on non-existent local files (HTLoadAnchorToChunk problem ?)

hello all,
I'm testing the latest libwww-5.3.1
and I'm having problems with the samples:
in particular, when testing chunk, chunkbody on a non-existent local
file I take a segfault, 
like in the following

[zanzi@agnese .libs]$ ./chunkbody dsadas
file:/home2/zanzi2/w3c-libwww-5.3.1/Library/Examples/.libs/
file:/home2/zanzi2/w3c-libwww-5.3.1/Library/Examples/.libs/dsadas
Segmentation fault (core dumped) 

If I ask a non-existing URL it works, like in the following

[zanzi@agnese Examples]$ ./chunkbody http://foo.bar.baz
file:/home2/zanzi2/w3c-libwww-5.3.1/Library/Examples/
http://foo.bar.baz/       
no text

I'm using a RH6.1 linux, BTW.
Anyone able to reproduce this behaviour, please ???
Any help will be useful.

Regards
/gp 

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