[tz] Pedantic correction to Theory regarding size of time zone names

[Tim Parenti]

On 15 July 2017 at 21:02, Howard Hinnant <howard.hinnant at gmail.com> wrote:

> I recommend simply changing the 14 to 17.


No.  The 14-character restriction comes from early Unix.

To be a bit pedantic in return, two sentences later, the guideline refers
to "Exceptions: see the discussion of legacy names below."  At line 157:
"Older versions of this package defined legacy names that are incompatible
with the first rule of location names, but which are still supported."
 This includes Canada/East-Saskatchewan.  Further, at line 135: "Do not
change established names if they only marginally violate the above rules."

In general, the rules in Theory reflect how zones should be managed moving
forward, not necessarily how they always were.

--
Tim Parenti
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