Add Dot Leaders To Table Of Contents. To create dot leaders. Finally to add dot leaders type into the box labeled Leader in the dialog box and hit enter.
Press once between each entry and the page number. To Add Tabs and Dot Leaders. Updated the question with a screenshot of my Tabs dialog.
In InDesign CS2 and earlier select Window Type.
Type your Table of Contents entries as shown below. A white background on the SPANs hides the dots behind them and an overflow. The pink arrow in the picture shows the selection for dots. If nothing happens make sure the tab is selected.