1 files changed, 5 insertions, 0 deletions

diff --git a/notes.txt b/notes.txt
index 4bd2f8f..675b78f 100644
--- a/notes.txt
+++ b/notes.txt
@@ -39,3 +39,8 @@ Command mode:
  - chronological nav:
     * month-prev mprev
     * month-next mnext
+
+Undo-tree:
+ - store app states in memory
+ - should store diffs? or entire state?
+ - ideal undo depth limit?