For quite some time, it seems impossible to download any version of
TeXmacs:
grozin@dns ~ $ wget
ftp://ftp.texmacs.org/pub/TeXmacs/tmftp/source/TeXmacs-1.0.7.16-src.tar.gz
--2013-03-17 15:26:01--
ftp://ftp.texmacs.org/pub/TeXmacs/tmftp/source/TeXmacs-1.0.7.16-src.tar.gz
=> ‘TeXmacs-1.0.7.16-src.tar.gz’
Resolving ftp.texmacs.org... 193.55.176.20
Connecting to ftp.texmacs.org|193.55.176.20|:21... connected.
Logging in as anonymous ... Logged in!
==> SYST ... done. ==> PWD ... done.
==> TYPE I ... done. ==> CWD (1) /pub/TeXmacs/tmftp/source ... done.
==> SIZE TeXmacs-1.0.7.16-src.tar.gz ... 15390090
==> PASV ... couldn't connect to 193.55.176.20 port 43807: No route to host
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