Re: imenu fails in mode without comment-start-skip defined

[Stefan]

>> Python mode's Imenu code uses it (implicitly if I remember correctly).
>> 
>> We cannot deduce any firm conclusion about the code
>> in Imenu from that information.  They may be different in other ways.

> Well, it's easy to measure.  Using syntax-ppss instead of the current
> code makes imenu--make-index-alist 4 times faster when run on
> simple.el (rather surprisingly).  It's 50% slower than without any
> check on the context.

I.e. the current code with comment-beginning is 6 times slower than before?
Sounds like a very good reason to remove this comment-beginning stuff,


        Stefan