[tex-live] Path twice?

[Gerben Wierda]

On 11 Nov 2004, at 21:15, Thomas Esser wrote:

>> Can someone explain to me why I get all the paths twice?
>
> kpsewhich does not set $engine. The real engines do:
>   TEXFORMATS=.;$TEXMF/web2c/{$engine,}//
>
> With an empty $engine, this gives
>   TEXFORMATS=.;$TEXMF/web2c/{,}//

Maybe kpathsea could optimize and remove duplicates from further down 
the line in an expansion. They are useless anyway.

E.g. {aap,noot,,aap,} would become {aap,noot,}

G