Std docs: Fix a js error that would cause some function to be not rendered

lib/std/special/docs/main.js

@@ -1369,7 +1369,7 @@
                     line.text = line.text.substr(1);
                 }
                 else if (line.text.match(/\d+\./)) {
-                    const match = line.match(/(\d+)\./);
+                    const match = line.text.match(/(\d+)\./);
                     line.type = "ul";
                     line.text = line.text.substr(match[0].length);
                     line.ordered_number = Number(match[1].length);