Helpful
A better Emacs *help* buffer
Helpful is an Emacs package that improves the standard help buffer by showing more contextual information. It is designed for users who read Emacs Lisp documentation, inspect functions, or explore how Emacs internals work. Compared with the built-in help system, it presents richer details for functions, variables, commands, keys, and symbols. Helpful tries to show source code when possible, making it easier to understand behavior without jumping through multiple commands. It also supports...