texlive-formats-extra 2015.20151225-2 (amd64 binary) in ubuntu xenial

 Collected TeX `formats', i.e., large-scale macro packages designed to be
 dumped into .fmt files -- excluding the most common ones, such as latex and
 context, which have their own package(s).
 .
 This package includes the following CTAN packages:
 .
 edmac -- Typeset critical editions.
 .
 eplain -- Extended plain TeX macros
 .
 lollipop -- TeX made easy
 .
 mltex -- The MLTeX system
 .
 psizzl -- A TeX format for physics papers.
 .
 startex -- An XML-inspired format for student use.
 .
 texsis -- Plain TeX macros for Physicists