message: Update mass-triage script to diagnose lexical diff internal errors.
diff: @@ -96,7 +96,7 @@ do
  fi
  if grep -q "syntax error" "$f.stderr"
  then
  - echo "syntax error: $f"
  + echo "rejected input syntax: $f"
  continue
  fi
  if grep -q "Error lex/parsing-ing formatted output" "$f.stderr"
  @@ -104,8 +104,13 @@ do
  echo "corrupted output [syntax error]: $f"
  continue
  fi
  + if grep -q "Formatted output is lexically different" "$f.stderr"
  + then
  + echo "corrupted output [lex diff]: $f"
  + continue
  + fi
  # When you see this, add more case handling here.
  - echo "other error: $f"
  + echo "OTHER error: $f"
  ;;
  esac
  done
  