message: Support bibliography file in subfolders
diff: @@ -14,7 +14,11 @@ export function find_citation_keys() {
  var bib;
  var keys = []
  while (bib = reg.exec(text)) {
  - var file = path.join(path.dirname(latex_data.main_document), path.basename(bib[1], '.bib') + '.bib')
  + var bibname = bib[1]
  + if (path.extname(bibname) == '') {
  + bibname += '.bib'
  + }
  + var file = path.join(path.dirname(latex_data.main_document), bibname)
  if (!fs.existsSync(file)) continue;
  var bib_content = fs.readFileSync(file, 'utf8').replace(/{{/g, '').replace(/}}/g, '');
  try {
  