Graphics does not work correctly in Ubuntu 18.04.1 under X.org
Graphics are not invalidated/updated when using meld in Ubuntu in 18.04.1.
Reinstallation of Meld did not fix the issue.
Ubuntu version information
<pre>jdehn@ThinkPadT430:~/slask/repo2$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.1 LTS Release: 18.04 Codename: bionic </pre>