message: Handle shift + letter combos
diff: @@ -264,9 +264,18 @@ const autocompleteBindings = (): KeyBinding[] => {
  * Note, this method is only exported for testing.
  */
  export function isKeyComboMatch(ev: KeyboardEvent | React.KeyboardEvent, combo: KeyCombo, onMac: boolean): boolean {
  - if (combo.key !== undefined && ev.key !== combo.key) {
  + if (combo.key !== undefined) {
  + // When shift is pressed, letters are returned as upper case chars. In this case do a lower case comparison.
  + // This works for letter combos such as shift + U as well for none letter combos such as shift + Escape.
  + // If shift is not pressed, the toLowerCase conversion can be avoided.
  + if (ev.shiftKey) {
  + if (ev.key.toLowerCase() !== combo.key.toLowerCase()) {
  return false;
  }
  + } else if (ev.key !== combo.key) {
  + return false;
  + }
  + }
  const comboCtrl = combo.ctrlKey ?? false;
  const comboAlt = combo.altKey ?? false;
  