[rancid] control characters appearing and disappearing from saved configs

[Drop Box]

Hi,

After adding a lot of lines to our HP switch configurations, I'm now seeing
rancid diffs like the one below one or two dozen times a day, on various
switches:

-----------------------------------------------------------------------------------------

- -- configs/switch.example.com.    (revision 103454)
@@ -47,7 +47,7 @@
     ip address dhcp-bootp
     exit
  ip authorized-managers a.b.c.d 255.0.0.0
- ip authorized-managers w.x.y.z 255.255.248.0
+ ip authorized-managers w.x.y.z 255.255.248.0
[...]

-----------------------------------------------------------------------------------------

- -- configs/switchexample.com.    (revision 103525)
@@ -47,7 +47,7 @@
     ip address dhcp-bootp
     exit
  ip authorized-managers a.b.c.d 255.0.0.0
- ip authorized-managers w.x.y.z 255.255.248.0
+ ip authorized-managers w.x.y.z 255.255.248.0
[...]

-----------------------------------------------------------------------------------------

The various configs I see this for have slight variations in length, but the
control character appears and disappears on the same line ("ip
authorized-managers w.x.y.z 255.255.248.0"), so it's not that the problem
always appears at line N.  I've checked out an "offending" revision and
verified that the control character is there.  I ran hrancid by hand maybe
20 times, and the control character showed up twice.

Does anyone have any ideas why this might be happening?  I'm using rancid
2.3.2a6 with expect 5.42.1.

Thanks.
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