RE: Documentation for ido-mode is not very enlightening

[Drew Adams]

> > You could still argue that there ought to be some sort of 
> > wrapper for the Finder so that users are made aware that
> > they lack a dependency if
> > they don't have the .el files, but I digress already.
> 
> Yes, you could report this as a bug to Debian: when using
> a functionality that requires the .el files (like jumping to 
> the source
> file or using finder-commentary), catch the error and replace it with
> a message explaining that the user needs to install the
> emacs*-el package.

Maybe the byte-compiler should preserve the Commentary, since some runtime
code depends on it? ;-) 

Half-kidding. There's also a large variation in the amount and quality of
Commentary doc. This feature is of only limited value.