implementor
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... MLSD command), such pathnames are best avoided.
Implementors should also be aware that, although Telnet NVT
...
... error-code = ("4" / "5") 2DIGIT
Implementors should note that the ABNF syntax used in this document
and in other FTP ...
... shows replies using the one-line format. Unless otherwise explicitly
stated, that is not intended to imply that multi-line responses are
not permitted. Implementors should assume that, unless stated to the
contrary, any reply to any FTP command (including QUIT) may use the
...
... response formats are shown in the examples.
This should not be taken as limiting the options of other server
implementors. Where the examples show OS dependent information, that
is to be treated as being purely for the purposes of demonstration of
some possible OS specific information that could be defined. As at
...