[web2py:24183] How to output a ''?

[Eddie Eyles]

I'm retrieving data that may contain carriage returns, and I want to
display this with these line breaks intact, i.e. I need to put either
a '<br/>' or an HTML block element closure/opening in place of each
carriage return.  I have tried the following in the view:

<td>{{=row.basic.comments.replace('\n','<br/>')}}</td>
-- this outputs '&lt;br/&gt;' instead of '<br/>', as you would expect

<td>{{=row.basic.comments.replace('\n',XML('<br/>'))}}</td>
-- this generates an error 'expected a character buffer object'

<td>{{=XML(row.basic.comments.replace('\n','<br/>'))}}</td>
-- this achieves what I want, but of course it also means the entire
field is unescaped, leaving it vulnerable to XSS attack

<td>{{=XML(row.basic.comments.replace('\n','<br/>'),sanitize=True)}}</
td>
-- this produces gobbledegook

<td>{{=XML(row.basic.comments.replace('\n','<br>'),sanitize=True)}}</
td>
-- this seems to be just right (but strangely the expected '<br>' tags
are converted to '<br/>')

Am I doing the right thing with my last effort?  I am very new to both
web2py and python.

Eddie
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