Fix for incorrect troff escapes in logsys_overview

Ambiguous troff backslash may cause rendering problems, especially with
third-party manual browsers or when lifting to HTML.

Signed-off-by: Eric Raymond <esr@thyrsus.com>
Reviewed-by: Jan Friesse <jfriesse@redhat.com>
Fix patch for corosync.conf.5

he markup around an example is impossible to lift to XML or HTML
cleanly. Simplifying it fixes the problem.

Signed-off-by: Eric Raymond <esr@thyrsus.com>
Reviewed-by: Jan Friesse <jfriesse@redhat.com>