message: Invoke toLocaleLowerCase for the suffix of filenames. Close
diff: @@ -165,7 +165,7 @@ export class Manager {
  }
  private inferLanguageId(filename: string): string | undefined {
  - const ext = path.extname(filename)
  + const ext = path.extname(filename).toLocaleLowerCase()
  if (ext === '.tex') {
  return 'latex'
  } else if (this.jlweaveExt.includes(ext)) {
  