-- incomplete --

./mangle.pl  --context=ctx.tst < $TT_HOME/t/parser.t > newtest.t.js

- mangle.pl tries its best to generate Test.Data based on TT test suite
- $TT_HOME/t/parser.t is the TT test suite being extracted
- ctx.tst is a manual extract of the $context (often called $params) object
  used in TT (in $TT_HOME/t/parser.t)
- newtest.t.js is the Test.Data file generated
- in ./jemplates is the 'jemplates' files defined in the jemplate block