mermaid
sequenceDiagram
Alice-->>John: Hello John, how are you?
John-->>Alice: Great!
sequence
Andrew->China: Says Hello
Note right of China: China thinks\nabout it
China-->Andrew: How are you?
Andrew->>China: I am good thanks!
flowchart
st=>start: Start
e=>end
op1=>operation: My Operation
sub1=>subroutine: My Subroutine
cond=>condition: Yes
or No?
io=>inputoutput: catch something...
st->op1->cond
cond(yes)->io->e
cond(no)->sub1(right)->op1
mathjax
When \((a \ne 0)\), there are two solutions to \((ax^2 + bx + c = 0)\) and they are
\[x = {-b \pm \sqrt{b^2-4ac} \over 2a}.\]mindmap
# markmap
## Links
- <https://markmap.js.org/>
- [GitHub](https://github.com/gera2ld/markmap)
## Related Projects
- [coc-markmap](https://github.com/gera2ld/coc-markmap)
- [gatsby-remark-markmap](https://github.com/gera2ld/gatsby-remark-markmap)
## Features
- links
- **strong** ~~del~~ *italic* ==highlight==
- multiline
text
- `inline code`
- Katex
- $x = {-b \pm \sqrt{b^2-4ac} \over 2a}$
- [More Katex Examples](#?d=gist:gera2ld/af76a4c245b302206b16aec503dbe07b:katex.md)
- Now we can wrap very very very very long text based on `maxWidth` option