How to detect end of buffer? [was: Deleting a word using keybinding]

[Drew Adams]

> >    Is there a way to detect end of buffer?
> 
> Function `eobp'

FYI, for asking Emacs itself:

`C-h d end buffer' or `C-h d buffer end'
finds `eobp' for you.  That's command
`apropos-documentation'.  It searches doc
strings for the words or regexp you give it.

(Actually, it doesn't find it with Emacs 26,
for some reason.  But it does with Emacs 27.)