tack\n[list-depth] (\n[width]u * \n[fixed-width]u)
.\}
.el \
.nr list-indent-stack\n[list-depth] (\n[width]u * \n[fixed-width]u)
.\}\}\}
.el \{ .ie "\*[arg\n[arg-ptr]]"-offset" \{\
.nr arg-ptr +1
.ie "\*[arg\n[arg-ptr]]"indent" \
.nr list-offset-stack\n[list-depth] \n[display-indent]u
.el \{\
.ds str-dBla "\*[arg\n[arg-ptr]]
.nr reg-dBla1 0
.if \B