Question on abbreviations

[Paul Eggert]

"Mark Davis" <mark.davis at icu-project.org> writes:

> According to the spec, TO = "only" is equivalent to saying that the TO value
> equals the FROM value.

Yes, that's what's happening here.  The rule to switch to DST applies
only in 1942.  There is no rule to switch _out_ of DST in 1942, so DST
continues until 1945, the next rule that applies.

>> Rule    NAME    FROM    TO    TYPE    IN    ON    AT    SAVE    LETTER/S
>> > ...
>> > Rule    US    1942    only    -    Feb    9    2:00    1:00    W # War
>> > Rule    US    1945    only    -    Aug    14    23:00u    1:00    P #