From f12d264778c48de01b1aa28d180c50d677cdf341 Mon Sep 17 00:00:00 2001
From: Jeremy Wall <jeremy@marzhillstudios.com>
Date: Fri, 19 Apr 2019 19:23:32 -0500
Subject: [PATCH] DOCS: Add some doc strings for the doc function.

---
 std/xml.ucg | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/std/xml.ucg b/std/xml.ucg
index 9cc7bbf..d150a1e 100644
--- a/std/xml.ucg
+++ b/std/xml.ucg
@@ -45,6 +45,10 @@ let is_tag = func(t) => schema.shaped{val=t, shape={name=""}, partial=true};
 // validates that a node is either a valid tag or a text node.
 let validate_node = func(node) => schema.any{val=node, types=["", {name = ""}], partial=true};
 
+// Make an xml doc from a root node.
+//
+// The root node must be a valid xml node. Either a text or an
+// xml node.
 let doc = func(root) => select validate_node(root), {
     true = {
         root = root,