$\blacktriangleright$    To add a key to a numbered line of a multiline display

  1. Select the display.

  2. Choose PropertiesProperties.tex.

  3. In the Line Number area, select the number of the line you want.

  4. Type a key in the Key for this Line box.

  5. Choose OK.


The key will appear in print next to the number of the line. If you want to link to the display but you don't want a name for the display to appear in print, enter a markerMarkers.tex for the display.