Having duplicated font names doesn’t help to read the font declaration and may be an indicator the author of the line was not sure how to configure
it. This rule raises an issue when
font-family properties contain a duplicated font name. This rule ignores
var(--custom-property) variable syntaxes.
Noncompliant Code Example
font-family: 'Georgia', Georgia, serif; /* Noncompliant; 'Georgia' is duplicated */
font-family: Georgia, serif;