=== update  the excerpt ===
Contributors: ketanumretiya030
Donate link: https://www.paypal.me/KUmretiya
Tags: the_excerpt,get_the_excerpt
Requires at least: 4
Tested up to: 4.9.2
Requires PHP: 5.2.4
Stable tag: 4.3
License: GPLv2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html

plugin allow  html tag in the_exrpte update word length , Readmore text.