nl_tokens: / * Check if supported animation elements exist
pl_tokens: function isCompatible ( instance ) { var supported = instance . $root . find ( definitions . selectors . supported ) ; var unsupported = instance . $root . find ( definitions . selectors . unsupported ) ; if ( unsupported . length ) { // See test/erroneous/unsupported-elements.svg error . incompatible ( "Unsupported animation elements detected" , "https://github.com/stevenvachon/smil2css/wiki/Current-Status#animation-elements" , instance ) ; } else if ( ! supported . length ) { // See test/erroneous/non-animating.svg error . unnecessary ( "No animation elements detected" , null , instance ) ; } return <mask> ; }