in plugin/markdown/plugin.js [97:108]
function getSlidifyOptions( options ) {
const markdownConfig = deck.getConfig().markdown;
options = options || {};
options.separator = options.separator || markdownConfig?.separator || DEFAULT_SLIDE_SEPARATOR;
options.verticalSeparator = options.verticalSeparator || markdownConfig?.verticalSeparator || DEFAULT_VERTICAL_SEPARATOR;
options.notesSeparator = options.notesSeparator || markdownConfig?.notesSeparator || DEFAULT_NOTES_SEPARATOR;
options.attributes = options.attributes || '';
return options;
}