.\" labeled paragraph label (and first line)
.de PL
.br
-\\h'|-\\n(PYu'\\$1\ -\ \\c \" back up, output the label,
-. \" then output the " - " and attach
+\\h'|-\\n(PYu'\\$1\ -\ \\h'|0u'\\c \" back up, output the label, then
+. \" output the " - " and skip back to
+. \" a zero indent; then attach
. \" the next line (the text) without
. \" stopping(\c: nroff section 4.2)
..