2007-03-20 Kevin B. Kenny <kennykb@acm.org>

	* generic/tclDate.c: Rebuilt, despite Donal Fellows's comment when
	committing it that no rebuild was required.
	* generic/tclGetDate.y: According to Donal Fellows, "Introduce
	modern formatting standards; no need for rebuild of tclDate.c."

	* library/tzdata/America/Cambridge_Bay:
	* library/tzdata/America/Havana:
	* library/tzdata/America/Inuvik:
	* library/tzdata/America/Iqaluit:
	* library/tzdata/America/Pangnirtung:
	* library/tzdata/America/Rankin_Inlet:
	* library/tzdata/America/Resolute:
	* library/tzdata/America/Yellowknife:
	* library/tzdata/Asia/Choibalsan:
	* library/tzdata/Asia/Dili:
	* library/tzdata/Asia/Hovd:
	* library/tzdata/Asia/Jakarta:
	* library/tzdata/Asia/Jayapura:
	* library/tzdata/Asia/Makassar:
	* library/tzdata/Asia/Pontianak:
	* library/tzdata/Asia/Ulaanbaatar:
	* library/tzdata/Europe/Istanbul: Upgraded to Olson's tzdata2007d.

	* generic/tclListObj.c (TclLsetList, TclLsetFlat):
	* tests/lset.test: Changes to deal with shared internal
	representation for lists passed to the [lset] command. Thanks to
	Don Porter for fixing this issue. [Bug 1677512]

8 files changed, 260 insertions, 229 deletions

diff --git a/library/tzdata/America/Cambridge_Bay b/library/tzdata/America/Cambridge_Bay
index c4eb607..23004bb 100644
--- a/library/tzdata/America/Cambridge_Bay
+++ b/library/tzdata/America/Cambridge_Bay
@@ -1,12 +1,8 @@
 # created by tools/tclZIC.tcl - do not edit
 
 set TZData(:America/Cambridge_Bay) {
-    {-9223372036854775808 -25220 0 LMT}
-    {-2713885180 -25200 0 MST}
-    {-1632063600 -21600 1 MDT}
-    {-1615132800 -25200 0 MST}
-    {-1596985200 -21600 1 MDT}
-    {-1583172000 -25200 0 MST}
+    {-9223372036854775808 0 0 zzz}
+    {-1577923200 -25200 0 MST}
     {-880210800 -21600 1 MWT}
     {-769395600 -21600 1 MPT}
     {-765388800 -25200 0 MST}
diff --git a/library/tzdata/America/Havana b/library/tzdata/America/Havana
index f7f72e1..43206dc 100644
--- a/library/tzdata/America/Havana
+++ b/library/tzdata/America/Havana
@@ -98,190 +98,190 @@ set TZData(:America/Havana) {
     {1112504400 -14400 1 CDT}
     {1143954000 -14400 1 CDT}
     {1162098000 -18000 0 CST}
-    {1175403600 -14400 1 CDT}
-    {1193547600 -18000 0 CST}
-    {1207458000 -14400 1 CDT}
-    {1224997200 -18000 0 CST}
-    {1238907600 -14400 1 CDT}
-    {1256446800 -18000 0 CST}
-    {1270357200 -14400 1 CDT}
-    {1288501200 -18000 0 CST}
-    {1301806800 -14400 1 CDT}
-    {1319950800 -18000 0 CST}
-    {1333256400 -14400 1 CDT}
-    {1351400400 -18000 0 CST}
-    {1365310800 -14400 1 CDT}
-    {1382850000 -18000 0 CST}
-    {1396760400 -14400 1 CDT}
-    {1414299600 -18000 0 CST}
-    {1428210000 -14400 1 CDT}
-    {1445749200 -18000 0 CST}
-    {1459659600 -14400 1 CDT}
-    {1477803600 -18000 0 CST}
-    {1491109200 -14400 1 CDT}
-    {1509253200 -18000 0 CST}
-    {1522558800 -14400 1 CDT}
-    {1540702800 -18000 0 CST}
-    {1554613200 -14400 1 CDT}
-    {1572152400 -18000 0 CST}
-    {1586062800 -14400 1 CDT}
-    {1603602000 -18000 0 CST}
-    {1617512400 -14400 1 CDT}
-    {1635656400 -18000 0 CST}
-    {1648962000 -14400 1 CDT}
-    {1667106000 -18000 0 CST}
-    {1680411600 -14400 1 CDT}
-    {1698555600 -18000 0 CST}
-    {1712466000 -14400 1 CDT}
-    {1730005200 -18000 0 CST}
-    {1743915600 -14400 1 CDT}
-    {1761454800 -18000 0 CST}
-    {1775365200 -14400 1 CDT}
-    {1792904400 -18000 0 CST}
-    {1806814800 -14400 1 CDT}
-    {1824958800 -18000 0 CST}
-    {1838264400 -14400 1 CDT}
-    {1856408400 -18000 0 CST}
-    {1869714000 -14400 1 CDT}
-    {1887858000 -18000 0 CST}
-    {1901768400 -14400 1 CDT}
-    {1919307600 -18000 0 CST}
-    {1933218000 -14400 1 CDT}
-    {1950757200 -18000 0 CST}
-    {1964667600 -14400 1 CDT}
-    {1982811600 -18000 0 CST}
-    {1996117200 -14400 1 CDT}
-    {2014261200 -18000 0 CST}
-    {2027566800 -14400 1 CDT}
-    {2045710800 -18000 0 CST}
-    {2059016400 -14400 1 CDT}
-    {2077160400 -18000 0 CST}
-    {2091070800 -14400 1 CDT}
-    {2108610000 -18000 0 CST}
-    {2122520400 -14400 1 CDT}
-    {2140059600 -18000 0 CST}
-    {2153970000 -14400 1 CDT}
-    {2172114000 -18000 0 CST}
-    {2185419600 -14400 1 CDT}
-    {2203563600 -18000 0 CST}
-    {2216869200 -14400 1 CDT}
-    {2235013200 -18000 0 CST}
-    {2248923600 -14400 1 CDT}
-    {2266462800 -18000 0 CST}
-    {2280373200 -14400 1 CDT}
-    {2297912400 -18000 0 CST}
-    {2311822800 -14400 1 CDT}
-    {2329362000 -18000 0 CST}
-    {2343272400 -14400 1 CDT}
-    {2361416400 -18000 0 CST}
-    {2374722000 -14400 1 CDT}
-    {2392866000 -18000 0 CST}
-    {2406171600 -14400 1 CDT}
-    {2424315600 -18000 0 CST}
-    {2438226000 -14400 1 CDT}
-    {2455765200 -18000 0 CST}
-    {2469675600 -14400 1 CDT}
-    {2487214800 -18000 0 CST}
-    {2501125200 -14400 1 CDT}
-    {2519269200 -18000 0 CST}
-    {2532574800 -14400 1 CDT}
-    {2550718800 -18000 0 CST}
-    {2564024400 -14400 1 CDT}
-    {2582168400 -18000 0 CST}
-    {2596078800 -14400 1 CDT}
-    {2613618000 -18000 0 CST}
-    {2627528400 -14400 1 CDT}
-    {2645067600 -18000 0 CST}
-    {2658978000 -14400 1 CDT}
-    {2676517200 -18000 0 CST}
-    {2690427600 -14400 1 CDT}
-    {2708571600 -18000 0 CST}
-    {2721877200 -14400 1 CDT}
-    {2740021200 -18000 0 CST}
-    {2753326800 -14400 1 CDT}
-    {2771470800 -18000 0 CST}
-    {2785381200 -14400 1 CDT}
-    {2802920400 -18000 0 CST}
-    {2816830800 -14400 1 CDT}
-    {2834370000 -18000 0 CST}
-    {2848280400 -14400 1 CDT}
-    {2866424400 -18000 0 CST}
-    {2879730000 -14400 1 CDT}
-    {2897874000 -18000 0 CST}
-    {2911179600 -14400 1 CDT}
-    {2929323600 -18000 0 CST}
-    {2942629200 -14400 1 CDT}
-    {2960773200 -18000 0 CST}
-    {2974683600 -14400 1 CDT}
-    {2992222800 -18000 0 CST}
-    {3006133200 -14400 1 CDT}
-    {3023672400 -18000 0 CST}
-    {3037582800 -14400 1 CDT}
-    {3055726800 -18000 0 CST}
-    {3069032400 -14400 1 CDT}
-    {3087176400 -18000 0 CST}
-    {3100482000 -14400 1 CDT}
-    {3118626000 -18000 0 CST}
-    {3132536400 -14400 1 CDT}
-    {3150075600 -18000 0 CST}
-    {3163986000 -14400 1 CDT}
-    {3181525200 -18000 0 CST}
-    {3195435600 -14400 1 CDT}
-    {3212974800 -18000 0 CST}
-    {3226885200 -14400 1 CDT}
-    {3245029200 -18000 0 CST}
-    {3258334800 -14400 1 CDT}
-    {3276478800 -18000 0 CST}
-    {3289784400 -14400 1 CDT}
-    {3307928400 -18000 0 CST}
-    {3321838800 -14400 1 CDT}
-    {3339378000 -18000 0 CST}
-    {3353288400 -14400 1 CDT}
-    {3370827600 -18000 0 CST}
-    {3384738000 -14400 1 CDT}
-    {3402882000 -18000 0 CST}
-    {3416187600 -14400 1 CDT}
-    {3434331600 -18000 0 CST}
-    {3447637200 -14400 1 CDT}
-    {3465781200 -18000 0 CST}
-    {3479691600 -14400 1 CDT}
-    {3497230800 -18000 0 CST}
-    {3511141200 -14400 1 CDT}
-    {3528680400 -18000 0 CST}
-    {3542590800 -14400 1 CDT}
-    {3560130000 -18000 0 CST}
-    {3574040400 -14400 1 CDT}
-    {3592184400 -18000 0 CST}
-    {3605490000 -14400 1 CDT}
-    {3623634000 -18000 0 CST}
-    {3636939600 -14400 1 CDT}
-    {3655083600 -18000 0 CST}
-    {3668994000 -14400 1 CDT}
-    {3686533200 -18000 0 CST}
-    {3700443600 -14400 1 CDT}
-    {3717982800 -18000 0 CST}
-    {3731893200 -14400 1 CDT}
-    {3750037200 -18000 0 CST}
-    {3763342800 -14400 1 CDT}
-    {3781486800 -18000 0 CST}
-    {3794792400 -14400 1 CDT}
-    {3812936400 -18000 0 CST}
-    {3826242000 -14400 1 CDT}
-    {3844386000 -18000 0 CST}
-    {3858296400 -14400 1 CDT}
-    {3875835600 -18000 0 CST}
-    {3889746000 -14400 1 CDT}
-    {3907285200 -18000 0 CST}
-    {3921195600 -14400 1 CDT}
-    {3939339600 -18000 0 CST}
-    {3952645200 -14400 1 CDT}
-    {3970789200 -18000 0 CST}
-    {3984094800 -14400 1 CDT}
-    {4002238800 -18000 0 CST}
-    {4016149200 -14400 1 CDT}
-    {4033688400 -18000 0 CST}
-    {4047598800 -14400 1 CDT}
-    {4065138000 -18000 0 CST}
-    {4079048400 -14400 1 CDT}
-    {4096587600 -18000 0 CST}
+    {1173589200 -14400 1 CDT}
+    {1194152400 -18000 0 CST}
+    {1205038800 -14400 1 CDT}
+    {1225602000 -18000 0 CST}
+    {1236488400 -14400 1 CDT}
+    {1257051600 -18000 0 CST}
+    {1268542800 -14400 1 CDT}
+    {1289106000 -18000 0 CST}
+    {1299992400 -14400 1 CDT}
+    {1320555600 -18000 0 CST}
+    {1331442000 -14400 1 CDT}
+    {1352005200 -18000 0 CST}
+    {1362891600 -14400 1 CDT}
+    {1383454800 -18000 0 CST}
+    {1394341200 -14400 1 CDT}
+    {1414904400 -18000 0 CST}
+    {1425790800 -14400 1 CDT}
+    {1446354000 -18000 0 CST}
+    {1457845200 -14400 1 CDT}
+    {1478408400 -18000 0 CST}
+    {1489294800 -14400 1 CDT}
+    {1509858000 -18000 0 CST}
+    {1520744400 -14400 1 CDT}
+    {1541307600 -18000 0 CST}
+    {1552194000 -14400 1 CDT}
+    {1572757200 -18000 0 CST}
+    {1583643600 -14400 1 CDT}
+    {1604206800 -18000 0 CST}
+    {1615698000 -14400 1 CDT}
+    {1636261200 -18000 0 CST}
+    {1647147600 -14400 1 CDT}
+    {1667710800 -18000 0 CST}
+    {1678597200 -14400 1 CDT}
+    {1699160400 -18000 0 CST}
+    {1710046800 -14400 1 CDT}
+    {1730610000 -18000 0 CST}
+    {1741496400 -14400 1 CDT}
+    {1762059600 -18000 0 CST}
+    {1772946000 -14400 1 CDT}
+    {1793509200 -18000 0 CST}
+    {1805000400 -14400 1 CDT}
+    {1825563600 -18000 0 CST}
+    {1836450000 -14400 1 CDT}
+    {1857013200 -18000 0 CST}
+    {1867899600 -14400 1 CDT}
+    {1888462800 -18000 0 CST}
+    {1899349200 -14400 1 CDT}
+    {1919912400 -18000 0 CST}
+    {1930798800 -14400 1 CDT}
+    {1951362000 -18000 0 CST}
+    {1962853200 -14400 1 CDT}
+    {1983416400 -18000 0 CST}
+    {1994302800 -14400 1 CDT}
+    {2014866000 -18000 0 CST}
+    {2025752400 -14400 1 CDT}
+    {2046315600 -18000 0 CST}
+    {2057202000 -14400 1 CDT}
+    {2077765200 -18000 0 CST}
+    {2088651600 -14400 1 CDT}
+    {2109214800 -18000 0 CST}
+    {2120101200 -14400 1 CDT}
+    {2140664400 -18000 0 CST}
+    {2152155600 -14400 1 CDT}
+    {2172718800 -18000 0 CST}
+    {2183605200 -14400 1 CDT}
+    {2204168400 -18000 0 CST}
+    {2215054800 -14400 1 CDT}
+    {2235618000 -18000 0 CST}
+    {2246504400 -14400 1 CDT}
+    {2267067600 -18000 0 CST}
+    {2277954000 -14400 1 CDT}
+    {2298517200 -18000 0 CST}
+    {2309403600 -14400 1 CDT}
+    {2329966800 -18000 0 CST}
+    {2341458000 -14400 1 CDT}
+    {2362021200 -18000 0 CST}
+    {2372907600 -14400 1 CDT}
+    {2393470800 -18000 0 CST}
+    {2404357200 -14400 1 CDT}
+    {2424920400 -18000 0 CST}
+    {2435806800 -14400 1 CDT}
+    {2456370000 -18000 0 CST}
+    {2467256400 -14400 1 CDT}
+    {2487819600 -18000 0 CST}
+    {2499310800 -14400 1 CDT}
+    {2519874000 -18000 0 CST}
+    {2530760400 -14400 1 CDT}
+    {2551323600 -18000 0 CST}
+    {2562210000 -14400 1 CDT}
+    {2582773200 -18000 0 CST}
+    {2593659600 -14400 1 CDT}
+    {2614222800 -18000 0 CST}
+    {2625109200 -14400 1 CDT}
+    {2645672400 -18000 0 CST}
+    {2656558800 -14400 1 CDT}
+    {2677122000 -18000 0 CST}
+    {2688613200 -14400 1 CDT}
+    {2709176400 -18000 0 CST}
+    {2720062800 -14400 1 CDT}
+    {2740626000 -18000 0 CST}
+    {2751512400 -14400 1 CDT}
+    {2772075600 -18000 0 CST}
+    {2782962000 -14400 1 CDT}
+    {2803525200 -18000 0 CST}
+    {2814411600 -14400 1 CDT}
+    {2834974800 -18000 0 CST}
+    {2846466000 -14400 1 CDT}
+    {2867029200 -18000 0 CST}
+    {2877915600 -14400 1 CDT}
+    {2898478800 -18000 0 CST}
+    {2909365200 -14400 1 CDT}
+    {2929928400 -18000 0 CST}
+    {2940814800 -14400 1 CDT}
+    {2961378000 -18000 0 CST}
+    {2972264400 -14400 1 CDT}
+    {2992827600 -18000 0 CST}
+    {3003714000 -14400 1 CDT}
+    {3024277200 -18000 0 CST}
+    {3035768400 -14400 1 CDT}
+    {3056331600 -18000 0 CST}
+    {3067218000 -14400 1 CDT}
+    {3087781200 -18000 0 CST}
+    {3098667600 -14400 1 CDT}
+    {3119230800 -18000 0 CST}
+    {3130117200 -14400 1 CDT}
+    {3150680400 -18000 0 CST}
+    {3161566800 -14400 1 CDT}
+    {3182130000 -18000 0 CST}
+    {3193016400 -14400 1 CDT}
+    {3213579600 -18000 0 CST}
+    {3225070800 -14400 1 CDT}
+    {3245634000 -18000 0 CST}
+    {3256520400 -14400 1 CDT}
+    {3277083600 -18000 0 CST}
+    {3287970000 -14400 1 CDT}
+    {3308533200 -18000 0 CST}
+    {3319419600 -14400 1 CDT}
+    {3339982800 -18000 0 CST}
+    {3350869200 -14400 1 CDT}
+    {3371432400 -18000 0 CST}
+    {3382923600 -14400 1 CDT}
+    {3403486800 -18000 0 CST}
+    {3414373200 -14400 1 CDT}
+    {3434936400 -18000 0 CST}
+    {3445822800 -14400 1 CDT}
+    {3466386000 -18000 0 CST}
+    {3477272400 -14400 1 CDT}
+    {3497835600 -18000 0 CST}
+    {3508722000 -14400 1 CDT}
+    {3529285200 -18000 0 CST}
+    {3540171600 -14400 1 CDT}
+    {3560734800 -18000 0 CST}
+    {3572226000 -14400 1 CDT}
+    {3592789200 -18000 0 CST}
+    {3603675600 -14400 1 CDT}
+    {3624238800 -18000 0 CST}
+    {3635125200 -14400 1 CDT}
+    {3655688400 -18000 0 CST}
+    {3666574800 -14400 1 CDT}
+    {3687138000 -18000 0 CST}
+    {3698024400 -14400 1 CDT}
+    {3718587600 -18000 0 CST}
+    {3730078800 -14400 1 CDT}
+    {3750642000 -18000 0 CST}
+    {3761528400 -14400 1 CDT}
+    {3782091600 -18000 0 CST}
+    {3792978000 -14400 1 CDT}
+    {3813541200 -18000 0 CST}
+    {3824427600 -14400 1 CDT}
+    {3844990800 -18000 0 CST}
+    {3855877200 -14400 1 CDT}
+    {3876440400 -18000 0 CST}
+    {3887326800 -14400 1 CDT}
+    {3907890000 -18000 0 CST}
+    {3919381200 -14400 1 CDT}
+    {3939944400 -18000 0 CST}
+    {3950830800 -14400 1 CDT}
+    {3971394000 -18000 0 CST}
+    {3982280400 -14400 1 CDT}
+    {4002843600 -18000 0 CST}
+    {4013730000 -14400 1 CDT}
+    {4034293200 -18000 0 CST}
+    {4045179600 -14400 1 CDT}
+    {4065742800 -18000 0 CST}
+    {4076629200 -14400 1 CDT}
+    {4097192400 -18000 0 CST}
 }
diff --git a/library/tzdata/America/Inuvik b/library/tzdata/America/Inuvik
index fc2df9f..dd0d151 100644
--- a/library/tzdata/America/Inuvik
+++ b/library/tzdata/America/Inuvik
@@ -1,15 +1,8 @@
 # created by tools/tclZIC.tcl - do not edit
 
 set TZData(:America/Inuvik) {
-    {-9223372036854775808 -32092 0 LMT}
-    {-2713878308 -28800 0 PST}
-    {-1632060000 -25200 1 PDT}
-    {-1615129200 -28800 0 PST}
-    {-1596981600 -25200 1 PDT}
-    {-1583168400 -28800 0 PST}
-    {-880207200 -25200 1 PWT}
-    {-769395600 -25200 1 PPT}
-    {-765385200 -28800 0 PST}
+    {-9223372036854775808 0 0 zzz}
+    {-536457600 -28800 0 PST}
     {-147888000 -21600 1 PDDT}
     {-131558400 -28800 0 PST}
     {315558000 -25200 0 MST}
diff --git a/library/tzdata/America/Iqaluit b/library/tzdata/America/Iqaluit
index 8a0b464..2a2e9fe 100644
--- a/library/tzdata/America/Iqaluit
+++ b/library/tzdata/America/Iqaluit
@@ -1,13 +1,8 @@
 # created by tools/tclZIC.tcl - do not edit
 
 set TZData(:America/Iqaluit) {
-    {-9223372036854775808 -16432 0 LMT}
-    {-2713893968 -18000 0 EST}
-    {-1632070800 -14400 1 EDT}
-    {-1615140000 -18000 0 EST}
-    {-1596992400 -14400 1 EDT}
-    {-1583179200 -18000 0 EST}
-    {-880218000 -14400 1 EWT}
+    {-9223372036854775808 0 0 zzz}
+    {-865296000 -14400 0 EWT}
     {-769395600 -14400 1 EPT}
     {-765396000 -18000 0 EST}
     {-147898800 -10800 1 EDDT}
diff --git a/library/tzdata/America/Pangnirtung b/library/tzdata/America/Pangnirtung
index 18a0177..640808e 100644
--- a/library/tzdata/America/Pangnirtung
+++ b/library/tzdata/America/Pangnirtung
@@ -1,12 +1,8 @@
 # created by tools/tclZIC.tcl - do not edit
 
 set TZData(:America/Pangnirtung) {
-    {-9223372036854775808 -15776 0 LMT}
-    {-2713894624 -14400 0 AST}
-    {-1632074400 -10800 1 ADT}
-    {-1615143600 -14400 0 AST}
-    {-1596996000 -10800 1 ADT}
-    {-1583182800 -14400 0 AST}
+    {-9223372036854775808 0 0 zzz}
+    {-1546300800 -14400 0 AST}
     {-880221600 -10800 1 AWT}
     {-769395600 -10800 1 APT}
     {-765399600 -14400 0 AST}
diff --git a/library/tzdata/America/Rankin_Inlet b/library/tzdata/America/Rankin_Inlet
index 85dd035..770ec5d 100644
--- a/library/tzdata/America/Rankin_Inlet
+++ b/library/tzdata/America/Rankin_Inlet
@@ -1,15 +1,8 @@
 # created by tools/tclZIC.tcl - do not edit
 
 set TZData(:America/Rankin_Inlet) {
-    {-9223372036854775808 -22100 0 LMT}
-    {-2713888300 -21600 0 CST}
-    {-1632067200 -18000 1 CDT}
-    {-1615136400 -21600 0 CST}
-    {-1596988800 -18000 1 CDT}
-    {-1583175600 -21600 0 CST}
-    {-880214400 -18000 1 CWT}
-    {-769395600 -18000 1 CPT}
-    {-765392400 -21600 0 CST}
+    {-9223372036854775808 0 0 zzz}
+    {-410227200 -21600 0 CST}
     {-147895200 -14400 1 CDDT}
     {-131565600 -21600 0 CST}
     {325670400 -18000 1 CDT}
diff --git a/library/tzdata/America/Resolute b/library/tzdata/America/Resolute
new file mode 100755
index 0000000..d82a837
--- /dev/null
+++ b/library/tzdata/America/Resolute
@@ -0,0 +1,62 @@
+# created by tools/tclZIC.tcl - do not edit
+
+set TZData(:America/Resolute) {
+    {-9223372036854775808 0 0 zzz}
+    {-704937600 -21600 0 CST}
+    {-147895200 -14400 1 CDDT}
+    {-131565600 -21600 0 CST}
+    {325670400 -18000 1 CDT}
+    {341391600 -21600 0 CST}
+    {357120000 -18000 1 CDT}
+    {372841200 -21600 0 CST}
+    {388569600 -18000 1 CDT}
+    {404895600 -21600 0 CST}
+    {420019200 -18000 1 CDT}
+    {436345200 -21600 0 CST}
+    {452073600 -18000 1 CDT}
+    {467794800 -21600 0 CST}
+    {483523200 -18000 1 CDT}
+    {499244400 -21600 0 CST}
+    {514972800 -18000 1 CDT}
+    {530694000 -21600 0 CST}
+    {544608000 -18000 1 CDT}
+    {562143600 -21600 0 CST}
+    {576057600 -18000 1 CDT}
+    {594198000 -21600 0 CST}
+    {607507200 -18000 1 CDT}
+    {625647600 -21600 0 CST}
+    {638956800 -18000 1 CDT}
+    {657097200 -21600 0 CST}
+    {671011200 -18000 1 CDT}
+    {688546800 -21600 0 CST}
+    {702460800 -18000 1 CDT}
+    {719996400 -21600 0 CST}
+    {733910400 -18000 1 CDT}
+    {752050800 -21600 0 CST}
+    {765360000 -18000 1 CDT}
+    {783500400 -21600 0 CST}
+    {796809600 -18000 1 CDT}
+    {814950000 -21600 0 CST}
+    {828864000 -18000 1 CDT}
+    {846399600 -21600 0 CST}
+    {860313600 -18000 1 CDT}
+    {877849200 -21600 0 CST}
+    {891763200 -18000 1 CDT}
+    {909298800 -21600 0 CST}
+    {923212800 -18000 1 CDT}
+    {941353200 -21600 0 CST}
+    {954662400 -18000 1 CDT}
+    {972806400 -18000 0 EST}
+    {986112000 -18000 0 CDT}
+    {1004252400 -21600 0 CST}
+    {1018166400 -18000 1 CDT}
+    {1035702000 -21600 0 CST}
+    {1049616000 -18000 1 CDT}
+    {1067151600 -21600 0 CST}
+    {1081065600 -18000 1 CDT}
+    {1099206000 -21600 0 CST}
+    {1112515200 -18000 1 CDT}
+    {1130655600 -21600 0 CST}
+    {1143964800 -18000 1 CDT}
+    {1162108800 -18000 0 EST}
+}
diff --git a/library/tzdata/America/Yellowknife b/library/tzdata/America/Yellowknife
index e446667..44ca658 100644
--- a/library/tzdata/America/Yellowknife
+++ b/library/tzdata/America/Yellowknife
@@ -1,12 +1,8 @@
 # created by tools/tclZIC.tcl - do not edit
 
 set TZData(:America/Yellowknife) {
-    {-9223372036854775808 -27444 0 LMT}
-    {-2713882956 -25200 0 MST}
-    {-1632063600 -21600 1 MDT}
-    {-1615132800 -25200 0 MST}
-    {-1596985200 -21600 1 MDT}
-    {-1583172000 -25200 0 MST}
+    {-9223372036854775808 0 0 zzz}
+    {-1104537600 -25200 0 MST}
     {-880210800 -21600 1 MWT}
     {-769395600 -21600 1 MPT}
     {-765388800 -25200 0 MST}