Emacs is not just one of the most sophisticated editors available, but an integrated development environment for everything, including the kitchen sink.
Emacs comes with an extensive collection of packages implemented in elisp developed over 40 years (I wrote my first elisp package in 1986).
In general, to use these extra packages that are not included in the Emacs
distribution or available as Debian elpa-packages, you can use
where possible, so we do not load every thing at startup. Use
require when the package has to set things up in
I like to manually install packages, generally from their git
repository, installing those packages into
needs to be added to the package path. I add all directories/files
under the path
~/.emacs.d/elisp into the load path so that packages
can be installed there from git or manually as independent files and
found by Emacs. Another common path for this is
let ((default-directory "~/.emacs.d/elisp/")) (".")) (normal-top-level-add-to-load-path '( (normal-top-level-add-subdirs-to-load-path))
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