the parameter is in the range 128\-159, i.e., a C1 control code.
If \fBuse_legacy_coding\fP has been called with a \fB2\fP parameter,
\fBunctrl\fP returns the parameter, i.e., a one-character string with
the parameter is in the range 128\-159, i.e., a C1 control code.
If \fBuse_legacy_coding\fP has been called with a \fB2\fP parameter,
\fBunctrl\fP returns the parameter, i.e., a one-character string with