https://nanx.me/tags/smartypants/ Recent content in SmartyPants on Nan Xiao | 肖楠 Hugo -- gohugo.io en Fri, 15 Aug 2025 01:32:00 +0000 https://nanx.me/blog/post/vscode-markdown-stupefy/ Fri, 15 Aug 2025 01:32:00 +0000 https://nanx.me/blog/post/vscode-markdown-stupefy/ The extension name was inspired by the “stupefy mode” described in the SmartyPants project written by John Gruber, the creator of Markdown. If you copy AI responses into Markdown, you will often get curly quotes, em dashes, emojis, and other smart punctuation. They look fine, but they are Unicode characters that can trip linters and clutter diffs. So I built a tiny tool to fix that. Automate tidying AI text Markdown Stupefy is a VS Code extension that normalizes smart punctuation to plain ASCII, removes emojis, and cleans up trailing whitespace.