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-rw-r--r--lib/keyboard_utils.coffee3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/keyboard_utils.coffee b/lib/keyboard_utils.coffee
index 1a1524af..35e584e3 100644
--- a/lib/keyboard_utils.coffee
+++ b/lib/keyboard_utils.coffee
@@ -49,6 +49,9 @@ KeyboardUtils =
# <c-[> is mapped to Escape in Vim by default.
event.key == "Escape" || @getKeyCharString(event) == "<c-[>"
+ isBackspace: (event) ->
+ event.key in ["Backspace", "Delete"]
+
isPrintable: (event) ->
return false if event.metaKey or event.ctrlKey or event.altKey
keyChar =