Inserts a command-button in generated content which can be used to insert an element or text node after the element for which the button has been generated.
Do not specify command, parameter or menu parameters for this type of command-button. A menu of "insert after
" commands is built dynamically each time this button is clicked.
By default, this button has its icon set to icon(insert-after)
.
Example:
insert-after-button()