When the LispWorks IDE starts it sets:
hcl:*background-output*
to mp:*background-standard-output*
, andhcl:*background-input*
to a stream that always returns EOF, andhcl:*background-query-io*
to a stream that interacts with the user using CAPI prompters.
hcl:*background-output*
is the default destination of cl:*standard-output*
, cl:*trace-output*
and cl:*error-output*
.
hcl:*background-input*
is the default source cl:*standard-input*
.
hcl:*background-query-io*
is the default for cl:*query-io*
and cl:*debug-io*
.
The output sent to mp:*background-standard-output*
can be viewed in the Output Browser tool and in the
Output
tab of Editor and Listener tools. See the entry for hcl:*background-output*
in the
LispWorks User Guide and Reference Manual
for more details.
LispWorks IDE User Guide (Windows version) - 13 Sep 2017