HTMLWriter.js

        // Build <tw-storydata>
        this.storyData += 
            '<tw-storydata name="' + this.story.name + '" ' +
            'startnode="' + this.story.getStartingPassage() + '" ' +
            'creator="' + this.story.creator + '" ' +
            'creator-version="' + this.story.creatorVersion + '" ' +
            'ifid="' + this.story.metadata.ifid + '" ' + 
            'zoom="' + this.story.metadata.zoom + '" ' +
            'format="' + this.storyFormat.name + '" ' + 
            'format-version="' + this.storyFormat.version + '" ' + 
            'options hidden>\n';

        // Build the STYLE
        this.storyData += '<style role="stylesheet" id="twine-user-stylesheet" type="text/twine-css">';

        // Get any passages tagged with 'style'
        let stylePassages = this.story.getStylePassages();

        // Iterate through the collection and add to storyData
        for(let content of stylePassages) {
            this.storyData += content.text;
        }

        this.storyData += '</style>\n';

        // Build the SCRIPT
        this.storyData += '<script role="script" id="twine-user-script" type="text/twine-javascript">';
        
        // Get any passages tagged with 'script'
        let scriptPassages = this.story.getScriptPassages();

        // Iterate through the collection and add to storyData
        for(let content of scriptPassages) {
            this.storyData += content.text;
        }

        this.storyData += '</script>\n';

        // All the script data has been written.
        // Delete all 'script'-tagged passages
        this.story.deleteAllByTag("script");

        // All the style data has been written.
        // Delete all 'style'-tagged passages
        this.story.deleteAllByTag("style");