An excerpt is a (usually) brief, text-only post summary. It is used in various places of a theme when a summary of a post is needed, such as on your blog page and archive pages for terms.
Excerpts are either manually crafted or (usually poorly) automatically extracted from the main post content. Hand crafted ones are better because
This plugin will enforce the use of hand-crafted excerpts by your users by preventing a post without an excerpt from being published.
Classic editor support is based on the work done by Scott Walkinshaw and other contributors, found here.
Use the upgrade link in the Dashboard (Dashboard > Updates) to upgrade this plugin.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License 2 as published by
the Free Software Foundation.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
The license for this software can be found here: http://www.gnu.org/licenses/gpl-2.0.html