Returns the interface title to use on screen.
capi
interface-display-title interface => string
interface
A CAPI interface.
string
A string.
The function interface-display-title returns the title to use when displaying the interface interface on screen.
interface-display-title
This is equivalent to:
(capi:interface-extend-title
(capi:interface-title interface ))
interface-extend-title set-default-interface-prefix-suffix