--- a/markdown_it.js Sun Aug 06 14:32:25 2023 +0300 +++ b/markdown_it.js Sun Aug 06 21:12:43 2023 +0300 @@ -66,7 +66,13 @@ var mm = require('markdown-it-mark'); var mr = require('markdown-it-replace-link'); var mc = require('markdown-it-checkbox'); - md.use(mk, katexOptions).use(mm).use(mr).use(mc); + var mcc = require('markdown-it-container'); + md.use(mk, katexOptions) + .use(mm) + .use(mr) + .use(mc) + .use(mcc, 'NOTE') + .use(mcc, 'IMPORTANT'); output = md.render(input); } catch(e) { console.error(e.stack || e.message || String(e));