slackbuilds_ponce/libraries/ETL/README

            ETL - Extended Template Library

ETL is a multi-platform class and template library designed to add
new datatypes and functions which combine well with the existing
types and functions from the C++ Standard Template Library (STL)

Web:    http://synfig.org/  (*)
Code:   http://synfig.org/Source_code
Proj:   http://sourceforge.net/projects/synfig/
Forums: http://synfig.org/forums 
IRC:    irc://irc.freenode.net/synfig