Zhenliang Su updated NET-654:
    Attachment: sendcr.png

> auto add a LF before a command
> ------------------------------
>                 Key: NET-654
>                 URL: https://issues.apache.org/jira/browse/NET-654
>             Project: Commons Net
>          Issue Type: Bug
>          Components: Telnet
>    Affects Versions: 3.6
>         Environment: all environment 
>            Reporter: Zhenliang Su
>            Priority: Minor
>         Attachments: Main.java, sendb.png, sendcr.png, telnetClient.pcap
> I use TelnetClient to connect to my H3C router. When I type the first 
> command, it's ok. When I type the second command, TelnetClient automatically 
> add a LF character before my second command, i.e. send an empty command 
> before my second command.
> I review the source code of TelnetOutputStream.java, in function write(int 
> ch). When I type the first character of my second command, variable 
> __lastWasCR is true, variable __convertCRtoCRLF is true, and because I set 
> nothing of TelnetOption.BINARY, __client._requestedWont(TelnetOption.BINARY) 
> also returns true。 lead to cause my issue.

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