Finish conversion from man(7) to mdoc(7).

bin/ed/ed.1

@@ -310,11 +310,11 @@ The following literal expressions can also be used in
 .Em char-class
 to specify sets of characters:
 .Pp
-\ \ [:alnum:]\ \ [:cntrl:]\ \ [:lower:]\ \ [:space:]
-.PD 0
-\ \ [:alpha:]\ \ [:digit:]\ \ [:print:]\ \ [:upper:]
-.PD 0
-\ \ [:blank:]\ \ [:graph:]\ \ [:punct:]\ \ [:xdigit:]
+.Bl -tag -width indent -compact
+.It [:alnum:] Ta [:cntrl:] Ta [:lower:] Ta [:space:]
+.It [:alpha:] Ta [:digit:] Ta [:print:] Ta [:upper:]
+.It [:blank:] Ta [:graph:] Ta [:punct:] Ta [:xdigit:]
+.El
 .Pp
 If `-' appears as the first or last
 character of
@@ -328,12 +328,16 @@ Patterns in
 .Em char-class
 of the form:
 .Pp
-\ \ [.\fIcol-elm\fR.] or,
-.PD 0
-\ \ [=\fIcol-elm\fR=]
+.Bl -item -compact -offset 2n
+.It
+.Op \&. Ns Ar col-elm Ns \&.
+or,
+.It
+.Op = Ns Ar col-elm Ns =
+.El
 .Pp
 where
-.Em col-elm
+.Ar col-elm
 is a
 .Em collating element
 are interpreted according to