query_input_hook/3 [hook]:- multifile user:query_input_hook/3.
user:query_input_hook(+InputMethod, +Prompt, -RawInput)
Provides the user with a method of overriding the call to
'SU_messages':query_input/3 in the input phase of query
processing. This way the implementation of the default input methods
can be changed.
The input method to use.
The prompt to display at the terminal.
All error handling is done by the predicates extended by this hook.