I'm sure I'll be corrected if wrong, but I don't think that's going to be
possible.   There was an earlier thread discussing the fact that Polymode
uses indirect buffers to maintain the effect of multiple simultaneous modes
in one file.   If one of those modes wraps and another does not you get a
chaotic display.  As you've probably seen, moving the insertion point from
the keyboard results in a tremendous amount of jumping as lines wrap and
unwrap as the insertion point moves one region to the next.   In order to
not have an annoying display I had to make sure that font faces and that
line wrapping was identical in all modes.


On Fri, Apr 4, 2014 at 8:43 AM, François Michonneau <
francois.michonneau@gmail.com> wrote:

> Hello all,
>
>   What is the preferred way of having only the text portions of, let's say
> a Rmd file, wrap at 80 characters?
>
>   Thanks,
>   -- François
>
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>
>
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