[Rd] Specifying dependency on a specific patched version

Gabor Grothendieck ggrothendieck at gmail.com
Sun May 15 05:52:13 CEST 2005

Is there a way to specify a package dependency in the Depends:
field of the DESCRIPTION file for a specific patched version of a 
specific OS?

For example, today's Windows patched release (2005-05-14) has
the capability of changing the time zone within R on Windows
via Sys.putenv(TZ="GMT") but prior patched versions do not have this.
Is there some way of ensuring that the 2005-05-14 or later release is used
if on Windows only?

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