message: Document rejected window ops escapes
  Fixes
diff: @@ -73,6 +73,7 @@ brevity.
  | `CSI s` | IMPLEMENTED | |
  | `CSI T` | IMPLEMENTED | |
  | `CSI t` | PARTIAL | Only parameters `22` and `23` are supported |
  +| | REJECTED | `1`-`13`, `15`, `19`-`21`, `24` |
  | `CSI u` | IMPLEMENTED | |
  | `CSI X` | IMPLEMENTED | |
  | `CSI Z` | IMPLEMENTED | |
  