Initial support for TDLib 1.8.23

- [enh] Display video contect with triangle at the center

- [rename] telega-root-view-topics -> telega-view-grouping to not
  interfere with Telegram Topics naming

- [new] Support for Similar Channels API

- [enh] Many UI improvements. Added checkbox, radiobox UI elements
  Introduced `telega-ins--text-button` and `telega-ins--box-button`
  instead of single `telega-ins--button`

- [add] More i18n strings added

- [enh] Improvements in `telega-describe-XXX' buffers

- [new] `telega-server--callback-extra' bound to extra value when
  callback is called

Version -> 0.8.230

contrib/telega-adblock.el

@@ -182,7 +182,11 @@ cdr is the URL."
 
 (defun telega-adblock--link-other-channel-p (chat link-spec)
   "Return non-nil if link points to another channel."
-  (when-let ((tme-internal-link (telega-tme-open (cdr link-spec) 'convert)))
+  (when-let* ((tme-internal-link (telega-tme-open (cdr link-spec) 'convert))
+              ;; NOTE: to avoid errors like:
+              ;;  string-prefix-p: Wrong type argument: stringp,
+              ;;  (:@type "internalLinkTypeWebApp" ..)
+              (string-p (stringp tme-internal-link)))
     (or (string-prefix-p "tg:join?" tme-internal-link)
         (string-prefix-p "tg:msg_url?" tme-internal-link)
         (and (string-prefix-p "tg:privatepost?" tme-internal-link)

docs/telega-ellit.org

@@ -568,7 +568,7 @@ Use ~telega-story-match-p~ to match a story.
 - {{{user-option(telega-chat-group-messages-for, 2)}}}
 - {{{user-option(telega-chat-show-deleted-messages-for, 2)}}}
 - {{{user-option(telega-chat-use-date-breaks-for, 2)}}}
-- {{{user-option(telega-root-view-topics, 2)}}}
+- {{{user-option(telega-root-view-grouping-alist, 2)}}}
 
 * Chat Folders
 
@@ -665,8 +665,8 @@ Markup syntax table:
 |                  | ~¦¦spoiler¦¦~                    | ~¦¦spoiler¦¦~                      | **UNSUPPORTED**                  |
 | ~inlined code~   | ~`inlined code`~                 | ~~inlined code~~                   | ~`inlined code`~                 |
 | =pre text=       | ~```pre text```~                 | ~=pre text=~                       | **UNSUPPORTED**                  |
-| [[http://www.url][text]]             | ~[text](http://www.url)~         | ~[[text][http://www.url]]~         | ~[text](http://www.url)~         |
-| [[http://t.me/user][name]]             | ~[name](tg://user?id=<USER-ID>)~ | ~[[name][tg://user?id=<USER-ID>]]~ | ~[name](tg://user?id=<USER-ID>)~ |
+| [[http://www.url][text]]             | ~[text](http://www.url)~         | ~[[http://www.url][text]]~         | ~[text](http://www.url)~         |
+| [[http://t.me/user][name]]             | ~[name](tg://user?id=<USER-ID>)~ | ~[[tg://user?id=<USER-ID>][name]]~ | ~[name](tg://user?id=<USER-ID>)~ |
 
 There is also "markdown1" syntax to insert multiline code blocks of
 specified languge: