[patch] improvements to the internal viewer

[Roland Illig]

Roland Illig wrote:
> The patch works great for me and fixes many inconsistencies in the old 
> cursor movement code. If noone objects, I will commit it in some days.

Committed. If you want to review it, run:

cvs diff -r1.250 -r1.251 src/view.c

(I committed another patch some seconds before to make this patch look 
better. ;))

Roland