M-<function-key> vs. ESC <function-key>

[Andreas Schwab]

There doesn't seem to be a translation between M-<function-key> and ESC
<function-key> for the purpose of keymap lookup.  For example, bindings.el
binds [M-left], which works for X, but on a text terminal the keypress
Alt-left is received (after translation through function-key-map) as [?\e
left] which is not bound.  Shouldn't [M-left] and [?\e left] be treated as
equivalent keys?

Andreas.

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Andreas Schwab, SuSE Labs, address@hidden
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