> Furthermore I'm looking for a way to expand math operators with indices
> to its last values.
> Example: I typed $\sum_{i=1}^n ...$. Later I type `$\sum_' and now I
> want
> AUCTeX to print `\sum_{i=1}^n '. How can this be done?
Hm, isn't something like this only useful in special cases?
Well, I'm writing lots of scripts for lectures. It's quite often the
case that the same operators with the same indices occur. I guess this
will save a lot of time and also think that this will also save others
time.