"decimal" number. That is, if the difference is 5 hours and 30 minutes,
then %z will now print "530" rather than "330".
- mktime() now handles one leap second gracefully.
git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14941 87f5fb63-7c3d-0410-a384-fd976d0f7a62