**bold text** and ^**dimmed text**.

   //italic text// and ^//revert italic text//.

   ::smaller text:: and ^::larger text::.

   ~~deleted text~~ and invisible text:
   ^~~unimportant_password~~ (always invisible
   but selectable).

   ||marked text|| and ^||marked text
   with mistake smell||.

   $$subscript$$ and ^$$superscript$$.

   This is __a self-defined link``https://go101.org__.
   This is ^__another self-defined link``
   https://ziglang.org__
   which will be opened in a new window.
   This is __a broken link__.

   This is a code span: ` var z = foo::x
   || bar::y `.
   And this is a mono font text span:
   ^` var z = x$$ 2 $$ + y^$$ n $$`.

   The next line is not displayed. Foo
   %% undisplayed text
   bar.

   The answer is:
   ?? 997
   (visible when selected).

   This block
   \\ is
   \\ line-broken
   \\ several times.
   \\ The following is an image.

   && ../../static/image/tmd-v1.png

   Line-height image: ``
   && ../../static/image/tmd-v1.png

   Here are two images floating at both sides.
   The texts will wrap around them.
   >> ../../static/image/tmd-v1.png
   The texts will wrap around them.
   The texts will wrap around them.
   The texts will wrap around them.
   The texts will wrap around them.
   << ../../static/image/tmd-v1.png
   The texts will wrap around them.
   The texts will wrap around them.

       === Go 101 website ` https://go101.org

   Visit __Go 101 website__ (the link
   is defined above).

   Go 1.22 broke backwards compatibility.
   More information is on __`for` Loop
   Semantic Changes in Go 1.22:
   Be Aware of the Impact__
   (the link is defined below).

       === for Loop ...
           https://go101.org/blog/2024-03-01-for-loop-semantic-changes-in-go-1.22.html

   __No Safe Efficient Ways to Do
   Three-way String Comparisons in Go__
   (the link is defined below).

       === ... in Go
           https://go101.org/blog/2022-10-01-three-way-string-comparison.html

   *. This is a 1st-level list item (ordered).
      {
      -  This is a 2nd-level list item
      -  This is another 2nd-level list item.
      }
      This is still in the 1st-level list item.

   *. This is another 1st-level list item (ordered).
      The following is a definition list:
      =  ### Term 1
         ;;; Explanations of term 1.
      =  ### Term 2
         ;;; Explanations of term 2.

         *  ### Tab 1
            ;;; Content of tab 1.
            {

            Another definition list:
            =. ### Zig
               ;;; A programming language optimized for performance
               and featuring a robust metaprogramming system.
            =. ### Go
               ;;; A statically-typed programming language with
               dynamic language flexibility and moderate performance.
            }
         *  ### Tab 2
            ;;; Content of tab 2.
            ;;;
            && ../../static/image/tmd-v1.png

   |  This is a quotation text.
      ;;; a footer
      @@@

   This content is explained in the friend block.
   |  ###
      ;;; Some explanations.

   !  This is a callout box without header.

   !  ### WARNING!
      {
      This is a callout box with header.
      }

   ?  This is a foldable box without summary.

   ?  ### Why TapirMD?
      {
      Because traditional markdown formats
      have many ambiguities and not powerful enough.
      }

   .  This is in a vanilla container block,
      which has no special styles.

   A table (row-major):

   #  ;;; 11
      { ..2:2
      22
      }
      { ..2:1
      21
      }
      -----
      ;;; 11
      { :3
      13
      }
      ;;; 11
      ---------
      { ..4
      31
      }
      { ..1:2
      12
      }
      ---------
      ;;; 11
      ;;; 11
      ;;; 11

   Another table (column-major):

   #
      ;;; 11
      { ..2:2
      22
      }
      { ..2:1
      21
      }
      -----
      ;;; 11
      { :3
      13
      }
      ;;; 11
      ---------
      { ..4
      31
      }
      { ..1:2
      12
      }
      ---------
      ;;; 11
      ;;; 11
      ;;; 11

   ####### Header 2

   ###====== Header 3

   ###------ Header 4

   This is a usual block. Nothing special..

   ;;; This is also a usual block.
   The below is a horizontal line.

   ---

   @@@ This is an attributes block.
   @@@ The texts here must be of
   @@@ certain formats to be meaningful.
   @@@ We can specify ID and classes
   @@@ for the next sibling block here.

   .  ### code-snippet-1.zig
      @@@ #code-snippet-1
      ''' zig
const std = @import("std");

pub fn main() void {
   std.log.info("TMD, yes!", .{});
}
      '''

   hello
   world

   hello``
   world

   hello
   ``world

   你好
   世界

   你好 ``
   世界

   hello
   世界

   hello ``
   世界

   hello
   `` 世界

   *``* all marks /``/ are escaped *``* ^````.

   !! ** all marks // are escaped ** ``.

   Backticks in code span: `^``code^```

   Backticks in code span: `
   !! `code`
   `

   `` ! This is not a **callout box**.

   `` %% This is not an //undisplayed line//.