> Another example is that one can add code in any inset, like explicit > LaTeX code (so-called ERT) or R/Sweave code (R is a statistical package > and Sweave allows to include R code in a document). Of course, this code > will not appear in printed output, but on screen it can use a lot of space.
Now it is clear that there are a lot of reasons behind this and also horizontal scrolling is a critical need. Thanks Hashini
