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home/.config/fish/functions/fish_user_key_bindings.fish

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+function fish_user_key_bindings
+    # Execute this once per mode that emacs bindings should be used in
+    fish_default_key_bindings -M insert
+
+    # Then execute the vi-bindings so they take precedence when there's a conflict.
+    # Without --no-erase fish_vi_key_bindings will default to
+    # resetting all bindings.
+    # The argument specifies the initial mode (insert, "default" or visual).
+    fish_vi_key_bindings --no-erase insert
+end