include \fIreason\fR.
.TP
\fBuse\fR \fI<USE item>\fR
-If \fIUSE item\fR is in the \fBUSE\fR variable, \fIUSE item\fR will be
-echoed and the function will return 0. If \fIUSE item\fR is not in the
-\fBUSE\fR variable, the function will return 1. \fBuseq\fR is a non-echoing
-version of \fBuse\fR.
+If \fIUSE item\fR is in the \fBUSE\fR variable, the function will silently
+return 0 (aka shell true). If \fIUSE item\fR is not in the \fBUSE\fR
+variable, the function will silently return 1 (aka shell false). \fBusev\fR
+is a verbose version of \fBuse\fR.
.RS
.TP
.I Example:
.nf
-if useq gnome ; then
+if use gnome ; then
guiconf="--enable-gui=gnome --with-x"
-elif useq gtk ; then
+elif use gtk ; then
guiconf="--enable-gui=gtk --with-x"
-elif useq X ; then
+elif use X ; then
guiconf="--enable-gui=athena --with-x"
else
# No gui version will be built