README: update docs for getting emacs on Ubuntu

The version is 24.3 and is not well supported anymore.

Closes #5071
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Robert O'Connor 2016-02-15 00:43:33 -05:00 committed by syl20bnr
parent 7f92bf3f76
commit cec296e60c
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@ -125,6 +125,8 @@ You should install the "emacs" package, not the "xemacs" package.
XEmacs is an old fork of Emacs. The X in its name is unrelated to X11.
Both Emacs and XEmacs have graphical support.
**Note:** Ubuntus package repository (Ubuntu LTS 12.04, and 14.04; **15.10 and later is okay to install from the package repository**) currently has only 24.3 available. You are advised to [build from source](https://www.gnu.org/software/emacs/manual/html_node/efaq/Installing-Emacs.html) and get 24.4 or greater, as most packages require this version. The same may be true for other distributions as well.
### OS X
We recommend the homebrew [emacs-mac-port][] formula: