-files = metadata.map(d => "https://raw.githubusercontent.com/jameshahn2/synod-documents/master/writings/" + d.filename);+files = metadata.map(d => `https://raw.githubusercontent.com/jameshahn2/synod-documents/master/writings/${d.filename}`);
-writings = Promise.all(files.map(d => d3.text(d)))+writings = Promise .all(files.map(d => d3.text(d).catch(() => null))) .then(texts => texts.filter(t => t !== null))