[tz] Java & Rearguard

[Paul Eggert]

On 6/6/19 12:22 PM, Russ Allbery wrote:
> tzname, and it's still a supported API (documented in tzset(3) on Linux).
> INN uses it when generating Date headers if it's available and tm.tm_zone
> is not (in a bit of portability that is now probably only applicable to
> museum exhibitions):

Unfortunately MS-Windows and traditional commercial Unix (AIX, HP-UX, 
Solaris) still lack tm_zone and tm_gmtoff in their struct tm 
implementations, and these aren't quite museum pieces yet - though they 
may indeed be rare platforms for INN these days.