bug#44858: [PATCH] Make byte-compiler warn about wide docstrings

[Drew Adams]

> > Yup.  And 15% is mostly when it expands to `M-x some-long-command'
> > because the keymap hasn't been loaded yet, I think?  Which we could
> > conceivably fix by loading the file when the used `C-h f's an
> > autoloaded function with one of these constructs?  Perhaps a bit
> hacky...
> 
> Please, no.  Users should be able to see the doc
> without loading the library.  That's an important
> feature, IMO, which has been present from Day One
> (or whatever day autoloading was introduced).
> 
> I'm all for cosmetic improvements and not having
> long lines, believe me.  But I think loading a
> library just to (maybe!) change `M-x function-name'
> to a key binding description is, I think, misguided.

Or maybe you meant load only for byte-compilation?

But even then, it's possible for byte-compiling to
be done during a user's session, and in cases where
there's no desire to load the library.