more clear log file examination output

releng/run_all_releng

@@ -78,7 +78,8 @@ fi
 
       #####
       printf "\n${SELF}: Std(out|err) logged in ${CLOG}."
-      printf "\n${SELF}: Log file examination follows:\n"
+      printf "\n${SELF}: Current log file examination begins:"
+      printf "\n~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
       # severity classes of libdax_msgs.h in libburn and libisofs
       # List of boring keywords:
       #   'UPDATE' A pacifier message during long running operations.
@@ -88,7 +89,7 @@ fi
       if [ -f "${CLOG}" ]; then
           grep -n -PT "${LIST_KWD}" "${CLOG}"
       fi
-
+      printf "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n"
  fi
 
  exit 0