Markdown

• <!-- my comment -->
• [//]: <>(my comment)

• *italic* or _italic_ : italic
• __bold__ or **bold** : bold
• ~~scratched~~ : scratched
• ->center<- : ->center<-

• [+ addition +] or {+ addition +} and [- deletiion -]
• \`\`\`diff +add or -remove

Tasklist : - [x] Completed task

Math : ```math ```

Color : #F00[A]

Blockquote : > this is a blockquote

Linebreak --- ___ or ***

Footnote : [^2] then [^2]: explanation

Subscirpt H<sub>2</sub>O and E = mc^2

• [clickme](#title-name) to point to some # Title Name
• goto google
• in-ref-written

Image : `[img](http://…. “Ttitle”{width=“40px” height="400px}}.html)

Hightlight : == text to print == -> == text to print ==

Footnote : see me [11] later and later [11]: The 'footnote'

• 2 spaces at end of line
• blank line -> paragraph : 2 newlines in md