AIMLEADEREDITADD command
Adds and removes leaders to mleaders.
Icon: 
Description
Adds and removes one or more leader lines to and from multi-line leaders.
Method
There are two methods to add and remove leaders:
- Add leaders to an existing mleader.
- Remove leaders from an mleader.
Options within the command
- Add leaders
- New leaders are added to an existing mleader entity.
- Remove leaders
- One or more leaders are removed from an existing mleader entity.