An inline pop-up library for Emacs Lisp.
See the docstrings of quick-peek-show and quick-peek-hide.
Complex programs may need to use the lower-level quick-peek-overlay-ensure-at, quick-peek-overlay-contents, and quick-peek-overlay-update methods.
See docstrings of quick-peek-background-face, quick-peek-border-face, and quick-peek-padding-face.