eliminated CONFIG_FEATURE_EDITING_FANCY_KEYS. the size savings
was small, compared to the total size of the command-line editing features, and it removed key bindings that most wouldn't consider "fancy", like ^U, and 'l' and 'h' in vi mode, ^F and ^B in emacs mode.
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@@ -57,14 +57,6 @@ config FEATURE_EDITING_MAX_LEN
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You may want to decrease this parameter if your target machine
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benefits from smaller stack usage.
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config FEATURE_EDITING_FANCY_KEYS
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bool "Additional editing keys"
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default n
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depends on FEATURE_EDITING
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help
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Enable additonal editing keys (Ctrl-E, Ctrl-U etc).
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Arrow keys, Home/End/Delete and Ctrl-W work even without this option.
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config FEATURE_EDITING_VI
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bool "vi-style line editing commands"
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default n
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