On Jul 3, 2012, at 5:06 PM, Peter Lothberg wrote:
On one of my BSD boxes. /usr/src/share/zoneinfo/leapseconds, I see no "-"
No, but they're allowed; see Figure 9 of RFC 5905: LI Leap Indicator (leap): 2-bit integer warning of an impending leap second to be inserted or deleted in the last minute of the current month with values defined in Figure 9. +-------+----------------------------------------+ | Value | Meaning | +-------+----------------------------------------+ | 0 | no warning | | 1 | last minute of the day has 61 seconds | | 2 | last minute of the day has 59 seconds | | 3 | unknown (clock unsynchronized) | +-------+----------------------------------------+ Figure 9: Leap Indicator --Steve Bellovin, https://www.cs.columbia.edu/~smb