5025 import and use mandoc
Reviewed by: Hans Rosenfeld <hans.rosenfeld@nexenta.com>
Reviewed by: Igor Kozhukhov <ikozhukhov@gmail.com>
Reviewed by: Robert Mustacchi <rm@joyent.com>
Reviewed by: Albert Lee <trisk@nexenta.com>
Approved by: TBD

*** 408,419 ****
  The output file is opened with the \fBO_SYNC\fR flag set. All data and metadata
  writes will be synchronous. For more information on \fBO_SYNC\fR see
  \fBfcntl.h\fR(3HEAD).
  .RE
  
- .RE
- 
  .sp
  .LP
  If operands other than \fBconv=\fR and \fBoflag=\fR are specified more than once,
  the last specified \fBoperand=\fR\fIvalue\fR is used.
  .sp
--- 408,417 ----