[ESS] Sweave (Rnw): text displays differently when cursor is in latex code or in R code

Kasper Daniel Hansen kasperdanielhansen at gmail.com
Thu Dec 15 01:21:04 CET 2011

This is because buffer-local variables get reset when you move between
R and Latex.  You need to be smart about it. I had the same question
about fill-column on this email list within the last 6 months and got
some great hints.


On Wed, Dec 14, 2011 at 5:34 PM, Joseph Mingrone <jrm at ftfl.ca> wrote:
> When I scroll through an Sweave document (Rnw) with latex code and R
> code, the text jumps around when the mode changes between Latex and
> ESS.  The two modes disagree how text should be wrapped when it can't
> fit within the window.  Moreover, I've noticed that when I do
> 1) M-x toggle-truncate-lines to enable truncate long lines while the
> cursor is within latex code
> 2) move the cursor to R code
> 3) return to the latex code
> truncate long lines is no longer on.
> Has anyone noticed this?  Has anyone solved this problem?
> Thanks,
> Joseph
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