nl_tokens: Replace scripts with ... and prune empty scripts
pl_tokens: function clearScripts ( node ) { var rslt = { } ; for ( var key in <mask> ) { var val = node [ key ] ; if ( _ . isString ( val ) ) { if ( val . trim ( ) ) rslt [ key ] = "..." ; } else { var childScripts = clearScripts ( val ) ; if ( ! _ . isEmpty ( childScripts ) ) rslt [ key ] = childScripts ; } } return rslt ; }