Monorepo with yarn workspaces requires yarn 3.2

packages/silverbullet-common/syscalls/markdown.ts

@@ -0,0 +1,12 @@
+import { SysCallMapping } from "../../plugos/system";
+import { parse } from "../parse_tree";
+import { Language } from "@codemirror/language";
+import type { ParseTree } from "../tree";
+
+export function markdownSyscalls(lang: Language): SysCallMapping {
+  return {
+    "markdown.parseMarkdown": (ctx, text: string): ParseTree => {
+      return parse(lang, text);
+    },
+  };
+}