As a fan of using square brackets to indicate when quoted material has been edited, I've attached diffs to introduce them; the changes also appear below.

    @dashdashado

*** old/asia 2022-03-21 15:19:16.600834300 -0400
--- new/asia 2022-03-21 15:26:06.334146500 -0400
***************
*** 344,354 ****
  # in the city at the time for people who use different time standard to adjust
  # their clock to their preferred time.
  #
! # a. For the 1940 May 31 spring forward, the essay claims that it was
! # coordinated between the international settlement authority and the French
  # concession authority and have gathered support from Hong Kong and Xiamen,
  # that it would spring forward an hour from May 31 "midnight", and the essay
! # claims "Hong Kong government implemented the spring forward in the same time
  # on the same date as Shanghai".
  #
  # b. For the 1940 fall back, it was said that they initially intended to do
--- 344,354 ----
  # in the city at the time for people who use different time standard to adjust
  # their clock to their preferred time.
  #
! # a. For the 1940 May 31 spring forward, the essay [claims] that it was
! # [coordinated] between the international settlement authority and the French
  # concession authority and have gathered support from Hong Kong and Xiamen,
  # that it would spring forward an hour from May 31 "midnight", and the essay
! # [claims] "Hong Kong government implemented the spring forward in the same time
  # on the same date as Shanghai".
  #
  # b. For the 1940 fall back, it was said that they initially intended to do
***************
*** 2465,2471 ****
  # the third time belt (before 1930 this means +03).
 
  # From Alexander Konzurovski (2018-12-20):
! # Qyzylorda Region (Asia/Qyzylorda) is changing its time zone from
  # UTC+6 to UTC+5 effective December 21st, 2018. The legal document is
  # located here: http://adilet.zan.kz/rus/docs/P1800000817 (russian language).
 
--- 2465,2471 ----
  # the third time belt (before 1930 this means +03).
 
  # From Alexander Konzurovski (2018-12-20):
! # [Qyzylorda] Region (Asia/Qyzylorda) is changing its time zone from
  # UTC+6 to UTC+5 effective December 21st, 2018. The legal document is
  # located here: http://adilet.zan.kz/rus/docs/P1800000817 (russian language).
 
*** old/australasia 2022-03-21 15:19:16.612835800 -0400
--- new/australasia 2022-03-21 15:27:32.975328100 -0400
***************
*** 1829,1836 ****
  # From Phake Nick (2018-10-27):
  # <https://wiki.suikawiki.org/n/南洋群島の標準時> ... pointed out that
  # currently tzdata say Pacific/Kwajalein switched from GMT+11 to GMT-12 in
! # 1969 October without explanation, however an 1993 article from NYT says it
! # synchronized its day with the US mainland about 40 years ago and thus the switch
  # should occur at around 1950s instead.
  #
  # From Paul Eggert (2018-11-18):
--- 1829,1836 ----
  # From Phake Nick (2018-10-27):
  # <https://wiki.suikawiki.org/n/南洋群島の標準時> ... pointed out that
  # currently tzdata say Pacific/Kwajalein switched from GMT+11 to GMT-12 in
! # 1969 October without explanation, however an 1993 article from NYT [says] it
! # [synchronized] its day with the US mainland about 40 years ago and thus the switch
  # should occur at around 1950s instead.
  #
  # From Paul Eggert (2018-11-18):
*** old/calendars 2022-03-21 15:19:16.640788300 -0400
--- new/calendars 2022-03-21 15:28:43.338530300 -0400
***************
*** 142,148 ****
 
  31 Dec 1700/
     12 Jan 1701 - Friesland, Groningen, Zürich, Bern, Basel, Geneva,
!                  Thurgau, and Schaffhausen
 
            1724 - Glarus, Appenzell, and the city of St. Gallen
 
--- 142,148 ----
 
  31 Dec 1700/
     12 Jan 1701 - Friesland, Groningen, Zürich, Bern, Basel, Geneva,
!                  [Thurgau], and Schaffhausen
 
            1724 - Glarus, Appenzell, and the city of St. Gallen
 
*** old/europe 2022-03-21 15:19:16.729844300 -0400
--- new/europe 2022-03-21 15:31:03.289939500 -0400
***************
*** 3353,3359 ****
  # 14-30 **** Ust-Maysky District
 
  # >From Arthur David Olson (2012-05-09):
! # Tomponsky and Ust-Maysky switched from Vladivostok time to Yakutsk time
  # in 2011.
 
  # From Paul Eggert (2012-11-25):
--- 3353,3359 ----
  # 14-30 **** Ust-Maysky District
 
  # From Arthur David Olson (2012-05-09):
! # [Tomponsky] and Ust-Maysky switched from Vladivostok time to Yakutsk time
  # in 2011.
 
  # From Paul Eggert (2012-11-25):
***************
*** 3479,3485 ****
  # 14-22 **** Oymyakonsky District
 
  # From Arthur David Olson (2012-05-09):
! # Oymyakonsky [and the Kuril Islands] switched from
  # Magadan time to Vladivostok time in 2011.
  #
  # From Tim Parenti (2014-07-06), per Alexander Krivenyshev (2014-07-02):
--- 3479,3485 ----
  # 14-22 **** Oymyakonsky District
 
  # From Arthur David Olson (2012-05-09):
! # [Oymyakonsky] [and the Kuril Islands] switched from
  # Magadan time to Vladivostok time in 2011.
  #
  # From Tim Parenti (2014-07-06), per Alexander Krivenyshev (2014-07-02):
*** old/southamerica 2022-03-21 15:19:16.903344100 -0400
--- new/southamerica 2022-03-21 15:31:57.148755900 -0400
***************
*** 645,651 ****
 
  # From Rodrigo Severo (2004-10-04):
  # It's just the biannual change made necessary by the much hyped, supposedly
! # modern Brazilian electronic voting machines which, apparently, can't deal
  # with a time change between the first and the second rounds of the elections.
 
  # From Steffen Thorsen (2007-09-20):
--- 645,651 ----
 
  # From Rodrigo Severo (2004-10-04):
  # It's just the biannual change made necessary by the much hyped, supposedly
! # modern Brazilian [electronic] voting machines which, apparently, can't deal
  # with a time change between the first and the second rounds of the elections.
 
  # From Steffen Thorsen (2007-09-20):

On Mon, Mar 21, 2022 at 1:46 PM Paul Eggert via tz <tz@iana.org> wrote:
On 3/19/22 01:13, Sascha Wildner via tz wrote:

> please consider the attached patch which fixes three of typos in the tz
> files.

Thanks, I installed that.

This inspired me to check spelling too, a bit of a challenge given all
the proper names and foreign words. I found some other issues, fixed in
the attached proposed patch.