I'm confused by some of these fixes. The CONTRIBUTE file says not to
punctuate the summary line, and that there should be a blank line between
the summary and the rest.

This seems go against the following change, for example (among others).

> -       * lisp/character-fold.el: Many improvements
> -
> +       * lisp/character-fold.el: Many improvements.
>         (character-fold-search-forward, character-fold-search-backward):