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Examples of Octave code appear in this font or form: svd (a). 
Names that represent arguments or metasyntactic variables appear
in this font or form: first-number.  Commands that you type at the
shell prompt sometimes appear in this font or form:
‘octave --no-init-file’.  Commands that you type at the Octave
prompt sometimes appear in this font or form: foo --bar --baz. 
Specific keys on your keyboard appear in this font or form: <ANY>.