I thought I would reply to reveal the answer to this in case someone was curious. (actually forgot about this question thread)
insert the following where your crlf is desired: & # 13 ; & # 10 -you will have to remove all the spaces, unable to visually show without creating a return on the forum (posting)
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Ensure no spaces or using the �??enter�?? key when writing. (This will insert unwanted extra spaces on the same line)
ESRI Arc allows a seven line, 77 visible characters per line limit in the extension form. There is no set limit for characters per line (but user must scroll to view past the 77 visible based on the extension form size).
Here is a working example. - again, if I post here, you loose the visual characters