RFR: 8180276: JTextPane getText return extra when mixed with methods of Document [v3]

[Prasanta Sadhukhan]

On Fri, 8 Apr 2022 11:54:02 GMT, Tejesh R <duke at openjdk.java.net> wrote:

>> It is common to treat `\r` as new line if it's not followed by `\n`. In a visual editor `\r` doesn't do anything.
>> 
>> Yet it's an interesting detail that wasn't covered in the initial evaluation.
>
>> But should /r/r/n cause 2 line feeds? /r should be just carriage return to cause caret to move from last column to first, why it is inserting new line?
> 
> \r is converted to \n in setText method....... To be specific, in `read(Reader in, Document doc, int pos)` method of DefaultEditorKit class......

So, that means presently it is writing /n/r/n not /r/r/n, right?

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PR: https://git.openjdk.java.net/jdk/pull/8122