[O] Trouble with autofill mode

[Vikas Rawal]

I am inserting LaTeX \index{} commands in an org document to create an index. 
Almost everything works fine. But I am having trouble with auto-fill-mode. It 
often puts a line break in the middle of an index entry, and then it does not 
work. 

That is, \index{my name} is sometimes broken into \index{my
name}. This creates a problem for LaTeX.

I have disabled auto-fill-mode for now, but that is clearly a sub-optimal thing 
to do. Is there a way to tell it not to put line breaks in the middle of 
\index{} entries?

Vikas