diff --git a/gxml/Document.vala b/gxml/Document.vala
index 28e549ebc6864f08407d0372665c8337c64e5fcf..d46f7e6dc67f2442cbf8186236dcb8d0e354d955 100644
--- a/gxml/Document.vala
+++ b/gxml/Document.vala
@@ -22,6 +22,8 @@
  * * compare performance between libxml2 and GXml (should be a little different, but not too much)
  */
 
+/** TODO:IMPORTANT: don't use GLib collections, use Libgee! */
+
 /**
  * The XML Document Object Model.
  */
diff --git a/gxml/XNode.vala b/gxml/XNode.vala
index faa0eb4b018b95c26babac35b9d4212e0baff6f0..ff1b1e7f87633a8515942a799f6dc0b6cf681f64 100644
--- a/gxml/XNode.vala
+++ b/gxml/XNode.vala
@@ -1,6 +1,8 @@
 /* -*- Mode: vala; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
 
 namespace GXml.Dom {
+	/* TODO: consider adding public signals for new/deleted children */
+
 	/**
 	 * Represents an XML Node. Documents are nodes, and are
 	 * composed of a tree of nodes. See [[http://www.w3.org/TR/DOM-Level-1/level-one-core.html#ID-1950641247]]
diff --git a/plan.txt b/plan.txt
index 44dd7d4b78413758c759cc5c74dfd94b11d6fdfd..9bd625a1d27cafb5158b19149b2f058cc4fb97f1 100644
--- a/plan.txt
+++ b/plan.txt
@@ -1,3 +1,8 @@
+TODO:
+C test files
+gtkdoc-doclet
+  look at libfolks' makefile
+switch to libgee from GLib
 
 TODO:
 get vala mode