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-rw-r--r--undo.lua3
1 files changed, 1 insertions, 2 deletions
diff --git a/undo.lua b/undo.lua
index d91fecd..59ca481 100644
--- a/undo.lua
+++ b/undo.lua
@@ -1,8 +1,7 @@
 -- undo/redo by managing the sequence of events in the current session
 -- based on https://github.com/akkartik/mu1/blob/master/edit/012-editor-undo.mu
 
--- Incredibly inefficient; we make a copy of lines on every single keystroke.
--- The hope here is that we're either editing small files or just reading large files.
+-- makes a copy of lines on every single keystroke; will be inefficient with really long lines.
 -- TODO: highlight stuff inserted by any undo/redo operation
 -- TODO: coalesce multiple similar operations