Generic function
Adds an item to the specified list or table control.
add-item list-or-table item #key after => item
type-union(
<list-control>, <table-control>).
type-union(<list-item>,<table-item>).
type-union(<list-item>,<table-item>).
type-union(<list-item>, <table-item>).
duim-gadgets
duim-gadgets
Adds an item to the specified list-or-table. The new item is created via a call to make-item.
The after argument indicates which item to place the new item after.
make-item, page 609
remove-item, page 636