phpmyadmin/phpmyadmin — pull request #1441 by madhuracj (2014-12-30 12:37:21+00:00)
Title: Sever Variables Table UI Improvements

Implements https://sourceforge.net/p/phpmyadmin/feature-requests/1567/
However, I've set table width at 100%, otherwise the table does not fit into the page when there is a long value.