[gxml/gsoc2013] BackedNode.vala: add a couple todo items to to_string

[Richard Hans Schwarting <rschwart src gnome org>]

commit 55c390d14e4ed27955225b82f59c1841286a1a40
Author: Richard Schwarting <aquarichy gmail com>
Date:   Wed Aug 21 15:23:13 2013 -0400

    BackedNode.vala: add a couple todo items to to_string

 gxml/BackedNode.vala |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/gxml/BackedNode.vala b/gxml/BackedNode.vala
index 1ef5b8d..eb75926 100644
--- a/gxml/BackedNode.vala
+++ b/gxml/BackedNode.vala
@@ -296,6 +296,23 @@ namespace GXml {
                }
 
                public override string to_string (bool format = false, int level = 0) {
+                       /* TODO: change from xmlNodeDump and xmlBuffer
+                        * to xmlBuf and xmlBufNodeDump; the former
+                        * are 'somehow deprecated' (see xmlNodeDump
+                        * doc); however, it's unclear how to create
+                        * an xmlBuf right now : \ */
+                       /* TODO: Consider loading documents with
+                        * xmlKeepBlanksDefault(0) that would cause a
+                        * loaded document to lose all of its blank
+                        * space (space between <> and a
+                        * non-whitespace) when loaded, allowing us to
+                        * use format with xmlNodeDump in cases where
+                        * the document contains a Text (format is
+                        * ignored if Text is contained).  This is
+                        * probably a bad idea; we probably want to
+                        * retain the whitespace we load with, and
+                        * instead we might need to find some other
+                        * way to implement formatting well. */
                        Xml.Buffer *buffer;
                        string str;