diff --git a/doc/sql.extensions/README.time_zone.md b/doc/sql.extensions/README.time_zone.md
index 471a0ea257..61baac0291 100644
--- a/doc/sql.extensions/README.time_zone.md
+++ b/doc/sql.extensions/README.time_zone.md
@@ -416,645 +416,5 @@ Note: `<firebird root>/tzdata` is the default directory where Firebird looks for
 Important note: Firebird stores `WITH TIME ZONE` values translated to UTC time. If a value is created with one time zone database and later that database is updated and the update changes the information in the range of a stored value, when reading that value it will be returned as a different value than the one initially stored.
 
 
-# Appendix: time zone regions
-
-Below is the list of time zone region names and IDs.
-
-- GMT (65535)
-- ACT (65534)
-- AET (65533)
-- AGT (65532)
-- ART (65531)
-- AST (65530)
-- Africa/Abidjan (65529)
-- Africa/Accra (65528)
-- Africa/Addis_Ababa (65527)
-- Africa/Algiers (65526)
-- Africa/Asmara (65525)
-- Africa/Asmera (65524)
-- Africa/Bamako (65523)
-- Africa/Bangui (65522)
-- Africa/Banjul (65521)
-- Africa/Bissau (65520)
-- Africa/Blantyre (65519)
-- Africa/Brazzaville (65518)
-- Africa/Bujumbura (65517)
-- Africa/Cairo (65516)
-- Africa/Casablanca (65515)
-- Africa/Ceuta (65514)
-- Africa/Conakry (65513)
-- Africa/Dakar (65512)
-- Africa/Dar_es_Salaam (65511)
-- Africa/Djibouti (65510)
-- Africa/Douala (65509)
-- Africa/El_Aaiun (65508)
-- Africa/Freetown (65507)
-- Africa/Gaborone (65506)
-- Africa/Harare (65505)
-- Africa/Johannesburg (65504)
-- Africa/Juba (65503)
-- Africa/Kampala (65502)
-- Africa/Khartoum (65501)
-- Africa/Kigali (65500)
-- Africa/Kinshasa (65499)
-- Africa/Lagos (65498)
-- Africa/Libreville (65497)
-- Africa/Lome (65496)
-- Africa/Luanda (65495)
-- Africa/Lubumbashi (65494)
-- Africa/Lusaka (65493)
-- Africa/Malabo (65492)
-- Africa/Maputo (65491)
-- Africa/Maseru (65490)
-- Africa/Mbabane (65489)
-- Africa/Mogadishu (65488)
-- Africa/Monrovia (65487)
-- Africa/Nairobi (65486)
-- Africa/Ndjamena (65485)
-- Africa/Niamey (65484)
-- Africa/Nouakchott (65483)
-- Africa/Ouagadougou (65482)
-- Africa/Porto-Novo (65481)
-- Africa/Sao_Tome (65480)
-- Africa/Timbuktu (65479)
-- Africa/Tripoli (65478)
-- Africa/Tunis (65477)
-- Africa/Windhoek (65476)
-- America/Adak (65475)
-- America/Anchorage (65474)
-- America/Anguilla (65473)
-- America/Antigua (65472)
-- America/Araguaina (65471)
-- America/Argentina/Buenos_Aires (65470)
-- America/Argentina/Catamarca (65469)
-- America/Argentina/ComodRivadavia (65468)
-- America/Argentina/Cordoba (65467)
-- America/Argentina/Jujuy (65466)
-- America/Argentina/La_Rioja (65465)
-- America/Argentina/Mendoza (65464)
-- America/Argentina/Rio_Gallegos (65463)
-- America/Argentina/Salta (65462)
-- America/Argentina/San_Juan (65461)
-- America/Argentina/San_Luis (65460)
-- America/Argentina/Tucuman (65459)
-- America/Argentina/Ushuaia (65458)
-- America/Aruba (65457)
-- America/Asuncion (65456)
-- America/Atikokan (65455)
-- America/Atka (65454)
-- America/Bahia (65453)
-- America/Bahia_Banderas (65452)
-- America/Barbados (65451)
-- America/Belem (65450)
-- America/Belize (65449)
-- America/Blanc-Sablon (65448)
-- America/Boa_Vista (65447)
-- America/Bogota (65446)
-- America/Boise (65445)
-- America/Buenos_Aires (65444)
-- America/Cambridge_Bay (65443)
-- America/Campo_Grande (65442)
-- America/Cancun (65441)
-- America/Caracas (65440)
-- America/Catamarca (65439)
-- America/Cayenne (65438)
-- America/Cayman (65437)
-- America/Chicago (65436)
-- America/Chihuahua (65435)
-- America/Coral_Harbour (65434)
-- America/Cordoba (65433)
-- America/Costa_Rica (65432)
-- America/Creston (65431)
-- America/Cuiaba (65430)
-- America/Curacao (65429)
-- America/Danmarkshavn (65428)
-- America/Dawson (65427)
-- America/Dawson_Creek (65426)
-- America/Denver (65425)
-- America/Detroit (65424)
-- America/Dominica (65423)
-- America/Edmonton (65422)
-- America/Eirunepe (65421)
-- America/El_Salvador (65420)
-- America/Ensenada (65419)
-- America/Fort_Nelson (65418)
-- America/Fort_Wayne (65417)
-- America/Fortaleza (65416)
-- America/Glace_Bay (65415)
-- America/Godthab (65414)
-- America/Goose_Bay (65413)
-- America/Grand_Turk (65412)
-- America/Grenada (65411)
-- America/Guadeloupe (65410)
-- America/Guatemala (65409)
-- America/Guayaquil (65408)
-- America/Guyana (65407)
-- America/Halifax (65406)
-- America/Havana (65405)
-- America/Hermosillo (65404)
-- America/Indiana/Indianapolis (65403)
-- America/Indiana/Knox (65402)
-- America/Indiana/Marengo (65401)
-- America/Indiana/Petersburg (65400)
-- America/Indiana/Tell_City (65399)
-- America/Indiana/Vevay (65398)
-- America/Indiana/Vincennes (65397)
-- America/Indiana/Winamac (65396)
-- America/Indianapolis (65395)
-- America/Inuvik (65394)
-- America/Iqaluit (65393)
-- America/Jamaica (65392)
-- America/Jujuy (65391)
-- America/Juneau (65390)
-- America/Kentucky/Louisville (65389)
-- America/Kentucky/Monticello (65388)
-- America/Knox_IN (65387)
-- America/Kralendijk (65386)
-- America/La_Paz (65385)
-- America/Lima (65384)
-- America/Los_Angeles (65383)
-- America/Louisville (65382)
-- America/Lower_Princes (65381)
-- America/Maceio (65380)
-- America/Managua (65379)
-- America/Manaus (65378)
-- America/Marigot (65377)
-- America/Martinique (65376)
-- America/Matamoros (65375)
-- America/Mazatlan (65374)
-- America/Mendoza (65373)
-- America/Menominee (65372)
-- America/Merida (65371)
-- America/Metlakatla (65370)
-- America/Mexico_City (65369)
-- America/Miquelon (65368)
-- America/Moncton (65367)
-- America/Monterrey (65366)
-- America/Montevideo (65365)
-- America/Montreal (65364)
-- America/Montserrat (65363)
-- America/Nassau (65362)
-- America/New_York (65361)
-- America/Nipigon (65360)
-- America/Nome (65359)
-- America/Noronha (65358)
-- America/North_Dakota/Beulah (65357)
-- America/North_Dakota/Center (65356)
-- America/North_Dakota/New_Salem (65355)
-- America/Ojinaga (65354)
-- America/Panama (65353)
-- America/Pangnirtung (65352)
-- America/Paramaribo (65351)
-- America/Phoenix (65350)
-- America/Port-au-Prince (65349)
-- America/Port_of_Spain (65348)
-- America/Porto_Acre (65347)
-- America/Porto_Velho (65346)
-- America/Puerto_Rico (65345)
-- America/Punta_Arenas (65344)
-- America/Rainy_River (65343)
-- America/Rankin_Inlet (65342)
-- America/Recife (65341)
-- America/Regina (65340)
-- America/Resolute (65339)
-- America/Rio_Branco (65338)
-- America/Rosario (65337)
-- America/Santa_Isabel (65336)
-- America/Santarem (65335)
-- America/Santiago (65334)
-- America/Santo_Domingo (65333)
-- America/Sao_Paulo (65332)
-- America/Scoresbysund (65331)
-- America/Shiprock (65330)
-- America/Sitka (65329)
-- America/St_Barthelemy (65328)
-- America/St_Johns (65327)
-- America/St_Kitts (65326)
-- America/St_Lucia (65325)
-- America/St_Thomas (65324)
-- America/St_Vincent (65323)
-- America/Swift_Current (65322)
-- America/Tegucigalpa (65321)
-- America/Thule (65320)
-- America/Thunder_Bay (65319)
-- America/Tijuana (65318)
-- America/Toronto (65317)
-- America/Tortola (65316)
-- America/Vancouver (65315)
-- America/Virgin (65314)
-- America/Whitehorse (65313)
-- America/Winnipeg (65312)
-- America/Yakutat (65311)
-- America/Yellowknife (65310)
-- Antarctica/Casey (65309)
-- Antarctica/Davis (65308)
-- Antarctica/DumontDUrville (65307)
-- Antarctica/Macquarie (65306)
-- Antarctica/Mawson (65305)
-- Antarctica/McMurdo (65304)
-- Antarctica/Palmer (65303)
-- Antarctica/Rothera (65302)
-- Antarctica/South_Pole (65301)
-- Antarctica/Syowa (65300)
-- Antarctica/Troll (65299)
-- Antarctica/Vostok (65298)
-- Arctic/Longyearbyen (65297)
-- Asia/Aden (65296)
-- Asia/Almaty (65295)
-- Asia/Amman (65294)
-- Asia/Anadyr (65293)
-- Asia/Aqtau (65292)
-- Asia/Aqtobe (65291)
-- Asia/Ashgabat (65290)
-- Asia/Ashkhabad (65289)
-- Asia/Atyrau (65288)
-- Asia/Baghdad (65287)
-- Asia/Bahrain (65286)
-- Asia/Baku (65285)
-- Asia/Bangkok (65284)
-- Asia/Barnaul (65283)
-- Asia/Beirut (65282)
-- Asia/Bishkek (65281)
-- Asia/Brunei (65280)
-- Asia/Calcutta (65279)
-- Asia/Chita (65278)
-- Asia/Choibalsan (65277)
-- Asia/Chongqing (65276)
-- Asia/Chungking (65275)
-- Asia/Colombo (65274)
-- Asia/Dacca (65273)
-- Asia/Damascus (65272)
-- Asia/Dhaka (65271)
-- Asia/Dili (65270)
-- Asia/Dubai (65269)
-- Asia/Dushanbe (65268)
-- Asia/Famagusta (65267)
-- Asia/Gaza (65266)
-- Asia/Harbin (65265)
-- Asia/Hebron (65264)
-- Asia/Ho_Chi_Minh (65263)
-- Asia/Hong_Kong (65262)
-- Asia/Hovd (65261)
-- Asia/Irkutsk (65260)
-- Asia/Istanbul (65259)
-- Asia/Jakarta (65258)
-- Asia/Jayapura (65257)
-- Asia/Jerusalem (65256)
-- Asia/Kabul (65255)
-- Asia/Kamchatka (65254)
-- Asia/Karachi (65253)
-- Asia/Kashgar (65252)
-- Asia/Kathmandu (65251)
-- Asia/Katmandu (65250)
-- Asia/Khandyga (65249)
-- Asia/Kolkata (65248)
-- Asia/Krasnoyarsk (65247)
-- Asia/Kuala_Lumpur (65246)
-- Asia/Kuching (65245)
-- Asia/Kuwait (65244)
-- Asia/Macao (65243)
-- Asia/Macau (65242)
-- Asia/Magadan (65241)
-- Asia/Makassar (65240)
-- Asia/Manila (65239)
-- Asia/Muscat (65238)
-- Asia/Nicosia (65237)
-- Asia/Novokuznetsk (65236)
-- Asia/Novosibirsk (65235)
-- Asia/Omsk (65234)
-- Asia/Oral (65233)
-- Asia/Phnom_Penh (65232)
-- Asia/Pontianak (65231)
-- Asia/Pyongyang (65230)
-- Asia/Qatar (65229)
-- Asia/Qyzylorda (65228)
-- Asia/Rangoon (65227)
-- Asia/Riyadh (65226)
-- Asia/Saigon (65225)
-- Asia/Sakhalin (65224)
-- Asia/Samarkand (65223)
-- Asia/Seoul (65222)
-- Asia/Shanghai (65221)
-- Asia/Singapore (65220)
-- Asia/Srednekolymsk (65219)
-- Asia/Taipei (65218)
-- Asia/Tashkent (65217)
-- Asia/Tbilisi (65216)
-- Asia/Tehran (65215)
-- Asia/Tel_Aviv (65214)
-- Asia/Thimbu (65213)
-- Asia/Thimphu (65212)
-- Asia/Tokyo (65211)
-- Asia/Tomsk (65210)
-- Asia/Ujung_Pandang (65209)
-- Asia/Ulaanbaatar (65208)
-- Asia/Ulan_Bator (65207)
-- Asia/Urumqi (65206)
-- Asia/Ust-Nera (65205)
-- Asia/Vientiane (65204)
-- Asia/Vladivostok (65203)
-- Asia/Yakutsk (65202)
-- Asia/Yangon (65201)
-- Asia/Yekaterinburg (65200)
-- Asia/Yerevan (65199)
-- Atlantic/Azores (65198)
-- Atlantic/Bermuda (65197)
-- Atlantic/Canary (65196)
-- Atlantic/Cape_Verde (65195)
-- Atlantic/Faeroe (65194)
-- Atlantic/Faroe (65193)
-- Atlantic/Jan_Mayen (65192)
-- Atlantic/Madeira (65191)
-- Atlantic/Reykjavik (65190)
-- Atlantic/South_Georgia (65189)
-- Atlantic/St_Helena (65188)
-- Atlantic/Stanley (65187)
-- Australia/ACT (65186)
-- Australia/Adelaide (65185)
-- Australia/Brisbane (65184)
-- Australia/Broken_Hill (65183)
-- Australia/Canberra (65182)
-- Australia/Currie (65181)
-- Australia/Darwin (65180)
-- Australia/Eucla (65179)
-- Australia/Hobart (65178)
-- Australia/LHI (65177)
-- Australia/Lindeman (65176)
-- Australia/Lord_Howe (65175)
-- Australia/Melbourne (65174)
-- Australia/NSW (65173)
-- Australia/North (65172)
-- Australia/Perth (65171)
-- Australia/Queensland (65170)
-- Australia/South (65169)
-- Australia/Sydney (65168)
-- Australia/Tasmania (65167)
-- Australia/Victoria (65166)
-- Australia/West (65165)
-- Australia/Yancowinna (65164)
-- BET (65163)
-- BST (65162)
-- Brazil/Acre (65161)
-- Brazil/DeNoronha (65160)
-- Brazil/East (65159)
-- Brazil/West (65158)
-- CAT (65157)
-- CET (65156)
-- CNT (65155)
-- CST (65154)
-- CST6CDT (65153)
-- CTT (65152)
-- Canada/Atlantic (65151)
-- Canada/Central (65150)
-- Canada/East-Saskatchewan (65149)
-- Canada/Eastern (65148)
-- Canada/Mountain (65147)
-- Canada/Newfoundland (65146)
-- Canada/Pacific (65145)
-- Canada/Saskatchewan (65144)
-- Canada/Yukon (65143)
-- Chile/Continental (65142)
-- Chile/EasterIsland (65141)
-- Cuba (65140)
-- EAT (65139)
-- ECT (65138)
-- EET (65137)
-- EST (65136)
-- EST5EDT (65135)
-- Egypt (65134)
-- Eire (65133)
-- Etc/GMT (65132)
-- Etc/GMT+0 (65131)
-- Etc/GMT+1 (65130)
-- Etc/GMT+10 (65129)
-- Etc/GMT+11 (65128)
-- Etc/GMT+12 (65127)
-- Etc/GMT+2 (65126)
-- Etc/GMT+3 (65125)
-- Etc/GMT+4 (65124)
-- Etc/GMT+5 (65123)
-- Etc/GMT+6 (65122)
-- Etc/GMT+7 (65121)
-- Etc/GMT+8 (65120)
-- Etc/GMT+9 (65119)
-- Etc/GMT-0 (65118)
-- Etc/GMT-1 (65117)
-- Etc/GMT-10 (65116)
-- Etc/GMT-11 (65115)
-- Etc/GMT-12 (65114)
-- Etc/GMT-13 (65113)
-- Etc/GMT-14 (65112)
-- Etc/GMT-2 (65111)
-- Etc/GMT-3 (65110)
-- Etc/GMT-4 (65109)
-- Etc/GMT-5 (65108)
-- Etc/GMT-6 (65107)
-- Etc/GMT-7 (65106)
-- Etc/GMT-8 (65105)
-- Etc/GMT-9 (65104)
-- Etc/GMT0 (65103)
-- Etc/Greenwich (65102)
-- Etc/UCT (65101)
-- Etc/UTC (65100)
-- Etc/Universal (65099)
-- Etc/Zulu (65098)
-- Europe/Amsterdam (65097)
-- Europe/Andorra (65096)
-- Europe/Astrakhan (65095)
-- Europe/Athens (65094)
-- Europe/Belfast (65093)
-- Europe/Belgrade (65092)
-- Europe/Berlin (65091)
-- Europe/Bratislava (65090)
-- Europe/Brussels (65089)
-- Europe/Bucharest (65088)
-- Europe/Budapest (65087)
-- Europe/Busingen (65086)
-- Europe/Chisinau (65085)
-- Europe/Copenhagen (65084)
-- Europe/Dublin (65083)
-- Europe/Gibraltar (65082)
-- Europe/Guernsey (65081)
-- Europe/Helsinki (65080)
-- Europe/Isle_of_Man (65079)
-- Europe/Istanbul (65078)
-- Europe/Jersey (65077)
-- Europe/Kaliningrad (65076)
-- Europe/Kiev (65075)
-- Europe/Kirov (65074)
-- Europe/Lisbon (65073)
-- Europe/Ljubljana (65072)
-- Europe/London (65071)
-- Europe/Luxembourg (65070)
-- Europe/Madrid (65069)
-- Europe/Malta (65068)
-- Europe/Mariehamn (65067)
-- Europe/Minsk (65066)
-- Europe/Monaco (65065)
-- Europe/Moscow (65064)
-- Europe/Nicosia (65063)
-- Europe/Oslo (65062)
-- Europe/Paris (65061)
-- Europe/Podgorica (65060)
-- Europe/Prague (65059)
-- Europe/Riga (65058)
-- Europe/Rome (65057)
-- Europe/Samara (65056)
-- Europe/San_Marino (65055)
-- Europe/Sarajevo (65054)
-- Europe/Saratov (65053)
-- Europe/Simferopol (65052)
-- Europe/Skopje (65051)
-- Europe/Sofia (65050)
-- Europe/Stockholm (65049)
-- Europe/Tallinn (65048)
-- Europe/Tirane (65047)
-- Europe/Tiraspol (65046)
-- Europe/Ulyanovsk (65045)
-- Europe/Uzhgorod (65044)
-- Europe/Vaduz (65043)
-- Europe/Vatican (65042)
-- Europe/Vienna (65041)
-- Europe/Vilnius (65040)
-- Europe/Volgograd (65039)
-- Europe/Warsaw (65038)
-- Europe/Zagreb (65037)
-- Europe/Zaporozhye (65036)
-- Europe/Zurich (65035)
-- Factory (65034)
-- GB (65033)
-- GB-Eire (65032)
-- GMT+0 (65031)
-- GMT-0 (65030)
-- GMT0 (65029)
-- Greenwich (65028)
-- HST (65027)
-- Hongkong (65026)
-- IET (65025)
-- IST (65024)
-- Iceland (65023)
-- Indian/Antananarivo (65022)
-- Indian/Chagos (65021)
-- Indian/Christmas (65020)
-- Indian/Cocos (65019)
-- Indian/Comoro (65018)
-- Indian/Kerguelen (65017)
-- Indian/Mahe (65016)
-- Indian/Maldives (65015)
-- Indian/Mauritius (65014)
-- Indian/Mayotte (65013)
-- Indian/Reunion (65012)
-- Iran (65011)
-- Israel (65010)
-- JST (65009)
-- Jamaica (65008)
-- Japan (65007)
-- Kwajalein (65006)
-- Libya (65005)
-- MET (65004)
-- MIT (65003)
-- MST (65002)
-- MST7MDT (65001)
-- Mexico/BajaNorte (65000)
-- Mexico/BajaSur (64999)
-- Mexico/General (64998)
-- NET (64997)
-- NST (64996)
-- NZ (64995)
-- NZ-CHAT (64994)
-- Navajo (64993)
-- PLT (64992)
-- PNT (64991)
-- PRC (64990)
-- PRT (64989)
-- PST (64988)
-- PST8PDT (64987)
-- Pacific/Apia (64986)
-- Pacific/Auckland (64985)
-- Pacific/Bougainville (64984)
-- Pacific/Chatham (64983)
-- Pacific/Chuuk (64982)
-- Pacific/Easter (64981)
-- Pacific/Efate (64980)
-- Pacific/Enderbury (64979)
-- Pacific/Fakaofo (64978)
-- Pacific/Fiji (64977)
-- Pacific/Funafuti (64976)
-- Pacific/Galapagos (64975)
-- Pacific/Gambier (64974)
-- Pacific/Guadalcanal (64973)
-- Pacific/Guam (64972)
-- Pacific/Honolulu (64971)
-- Pacific/Johnston (64970)
-- Pacific/Kiritimati (64969)
-- Pacific/Kosrae (64968)
-- Pacific/Kwajalein (64967)
-- Pacific/Majuro (64966)
-- Pacific/Marquesas (64965)
-- Pacific/Midway (64964)
-- Pacific/Nauru (64963)
-- Pacific/Niue (64962)
-- Pacific/Norfolk (64961)
-- Pacific/Noumea (64960)
-- Pacific/Pago_Pago (64959)
-- Pacific/Palau (64958)
-- Pacific/Pitcairn (64957)
-- Pacific/Pohnpei (64956)
-- Pacific/Ponape (64955)
-- Pacific/Port_Moresby (64954)
-- Pacific/Rarotonga (64953)
-- Pacific/Saipan (64952)
-- Pacific/Samoa (64951)
-- Pacific/Tahiti (64950)
-- Pacific/Tarawa (64949)
-- Pacific/Tongatapu (64948)
-- Pacific/Truk (64947)
-- Pacific/Wake (64946)
-- Pacific/Wallis (64945)
-- Pacific/Yap (64944)
-- Poland (64943)
-- Portugal (64942)
-- ROC (64941)
-- ROK (64940)
-- SST (64939)
-- Singapore (64938)
-- SystemV/AST4 (64937)
-- SystemV/AST4ADT (64936)
-- SystemV/CST6 (64935)
-- SystemV/CST6CDT (64934)
-- SystemV/EST5 (64933)
-- SystemV/EST5EDT (64932)
-- SystemV/HST10 (64931)
-- SystemV/MST7 (64930)
-- SystemV/MST7MDT (64929)
-- SystemV/PST8 (64928)
-- SystemV/PST8PDT (64927)
-- SystemV/YST9 (64926)
-- SystemV/YST9YDT (64925)
-- Turkey (64924)
-- UCT (64923)
-- US/Alaska (64922)
-- US/Aleutian (64921)
-- US/Arizona (64920)
-- US/Central (64919)
-- US/East-Indiana (64918)
-- US/Eastern (64917)
-- US/Hawaii (64916)
-- US/Indiana-Starke (64915)
-- US/Michigan (64914)
-- US/Mountain (64913)
-- US/Pacific (64912)
-- US/Pacific-New (64911)
-- US/Samoa (64910)
-- UTC (64909)
-- Universal (64908)
-- VST (64907)
-- W-SU (64906)
-- WET (64905)
-- Zulu (64904)
-- America/Nuuk (64903)
-- Asia/Qostanay (64902)
-
-
 Author:
     Adriano dos Santos Fernandes <adrianosf at gmail.com>