CONCATENATE adds quotes - How to suppress?

Hello. Thank you for taking a look! Please see the attached spreadsheet. This is at the bottom:

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I use this spreadsheet to categorize and sort my Bookmarks. Please see the above for a sample - my nuclear links - so you can see what I'm doing.

These nine URLs at the bottom, rows 610-618, are current things on which I have questions - waiting for an answer, or have to do

These seven URLs at the bottom, rows 619-625, have to be categorized at left, then I will use the Sort column (X) at right on them, to move them above

I share links by using the C & P column (W) - copy and paste
. . . see what happens when you copy and paste cell W613 into Notepad++, and MS Notepad . . . this C & P contains hard returns
. . . see what happens when you copy and paste cell W612 into Notepad++, and MS Notepad . . . this C & P does not contain hard returns

The hard returns (Alt+Enter) within a cell (column R) make the Concatenate formula put quotes around the whole thing.

Relatively speaking, Notepad++ does a better job than MS Notepad. Reason: All you have to do in Notepad++ is to edit out the surrounding quotes. MS Notepad has the quotes, removes the hard returns, and runs everything together.

If you copy and paste cell W613 into MS Word 2010, however, the output is as expected - there are no quotes, and it keeps the hard returns

How does Word 2010 know to show the C & P this way? Is the fix to get a plugin written for Notepad++, that does whatever Word 2010 is doing? . . . is that possible? . . . or, is there a setting in Excel 2010 that can be used?

I use Notepad++ all the time, because it's fast, and strips away hidden characters (I think it does). That's why I'd like it to be able to work better with my C & P in this case.