Mark text to track problems in Prompt mode without stopping your session. Press the “M” Hot Key in Prompt mode to mark whatever is visible. When you return to Edit mode all marked text stands out for correction

In Edit mode, quickly jump between Marked text with ⌃\ and ⌃⇧\. The menu has other items of interest:

Unmark text after editing it by double-clicking any text that is marked. You can also select marked text and unmark it with ⌃U (which applies to multiple selections) or unmark everything with .
You can temporarily hide marks in Edit mode if you need to focus on other edits or someone is looking over your shoulder with
.The operator window flashes in Prompt mode when text is marked, but you can disable the flash if visual feedback interferes with your use case. Set the marked text highlight color and flash behavior in the General settings:

Additional notes
- Marked text is not shown in Prompt mode nor on the second screen.
- Marked text does not save, export, copy, or print. Marked text vanishes forever when a document is closed.