[notes] ...

.eleventy.js

@@ -63,6 +63,14 @@ module.exports = function (eleventyConfig) {
       .sort((a, b) => b.date - a.date);
   });
 
+  eleventyConfig.addFilter("inlineMarkdown", function (text) {
+    return text.replace(/~~(.+?)~~/g, "<del>$1</del>");
+  });
+
+  eleventyConfig.addFilter("stripMarkdown", function (text) {
+    return text.replace(/~~(.+?)~~/g, "$1");
+  });
+
   eleventyConfig.addFilter("year", function (date) {
     return new Date(date).getFullYear();
   });