tsort 6.9, incorrect output

[Guillaume Bailey]

I have an example of the latest tsort producing invalid output. The 
output clearly disobeys the partial ordering 'i k a h g j', because 'a' 
precedes both 'i' and 'k'. There may be other errors.

> address@hidden toolDependencies]$ tsort --version
> tsort (coreutils) 6.9
> Copyright (C) 2007 Free Software Foundation, Inc.
> This is free software.  You may redistribute copies of it under the 
> terms of
> the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
> There is NO WARRANTY, to the extent permitted by law.
>
> Written by Mark Kettenis.
> address@hidden toolDependencies]$ tsort << EOF
> > b k
> > b m
> > k m f
> > i b f
> > i k a h g j
> > b g c
> > h c
> > g d
> > h d
> > h e
> > h j l
> > c l
> > EOF
> a
> b
> c
> d
> e
> f
> g
> h
> i
> j
> k
> l
> m 


Guillaume

--

        Guillaume Bailey
        Software Engineer II
        Lymba Corporation
        address@hidden
        1701 N. Collins Blvd. Ste. 3000
        Richardson, TX 75080
        Phone: +1 972 680 0800 ext. 105
        Fax:   +1 972 680 0808
        Cell:  +1 214 502 5664
        AIM:   GuillaumeLCC
        MSN:   address@hidden

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