Description

When editing a General Link field and entering an external link and leaving the description value blank (or filled out with whitespace characters only), the link is not shown properly: The <a> tag is not rendered.

Solution

To resolve the issue, download and install the patch compatible with the affected product version:
https://github.com/SitecoreSupport/Sitecore.Support.95828/releases

To get a solution for other releases, contact Sitecore Support.