Handling %s format strings

[Kevin Kenny]

eggert at cs.ucla.edu said:
> it's assumed that you start off in standard time, and that you take
> the rule's first abbreviation that applies to standard time.

Good, I got it right in Tcl!  I seem to recall that the 'zic' man page
had something about this.  Either that or I took the Star Wars approach,
"use the source, Luke!"

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73 de ke9tv/2, Kevin KENNY   GE Corporate Research & Development
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