bug#24985: Add missing provide statements

[Michael Albinus]

Philippe Vaucher <philippe.vaucher@gmail.com> writes:

> I thought that the most interesting thing in composite was
> auto-composition-mode... same reasoning for replace.el which provided
> 'occur in my first patch.

See the docstring of `require':

If feature FEATURE is not loaded, load it from FILENAME ... If FILENAME
is omitted, the printname of FEATURE is used as the file name.

Therefore, it is always a good practice to provide a feature with the
same name as the file.

> Best regards,
> Philippe

Best regards, Michael.