test markdown here again

heading 1

heading 2

normal text

Emphasis, aka italics, with asterisks or underscores.

Strong emphasis, aka bold, with asterisks or underscores.

Combined emphasis with asterisks and underscores.

Strikethrough uses two tildes. Scratch this.

// rõ ràng là multiline mà sao ại     // thành 1 line   // nhỉ  public static void Main()  {      return void;   }  

another graph