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Emacs can decode keyboard input using a coding system, and encode
terminal output. This is useful for terminals that transmit or display
text using a particular encoding such as Latin-1. Emacs does not set
last-coding-system-used
for encoding or decoding for the
terminal.
This function returns the coding system that is in use for decoding keyboard input—or
nil
if no coding system is to be used.
This function specifies coding-system as the coding system to use for decoding keyboard input. If coding-system is
nil
, that means do not decode keyboard input.