New file, taken from fileutils 4.0.27, with the

New file, taken from fileutils 4.0.27, with the
following changes: Use @sc where appropriate.  Document the ranges of
supported times more precisely.  Add Eggert to getdate authors.
Document old Latin 12m/12pm tradition.  Remove list of alphabetic time
zone names, as it wasn't correct and people shouldn't be relying on it
anyway.  Relative items also account for non-DST adjustments.  Fix
some misspellings.