Hello,  Andrey !

> !!! Fetch for /usr/local/sci/app-office/texmacs/texmacs-
> 1.0.6.8.ebuildfailed,
> > continuing...
> Are you sure that you have fetched an uncorrupted copy of
> TeXmacs-1.0.6.8-src.tar.gz ? My copy has the size 3835265.
> Manifest has been generated from this copy, and contains this size (and
> texmacs-1.0.6.8 emerges without any problems).


Of course yes, I have downloaded this file  and archive was opened and
unpacked without any problems.

-- 
Best regards,
Sincerely yours,
Yuriy Rusinov