X202309 by XmacsLabs: Scheme and Plotting

[darcy]

• Text: https://github.com/XmacsLabs/planet/blob/main/XmacsLabs/X202309.tm
• Video: https://www.bilibili.com/video/BV1yz4y1i7cJ/
• Language: voice in Chinese, text in English
• What is Xmacs Labs: https://github.com/XmacsLabs/