Definition and Usage
bdi stands for Bi-directional Isolation.
The >bdi< tag isolates a part of text that might be formatted in a
different direction from other text outside it.
This element is useful when embedding user-generated content with an unknown
directionality. Browser Support
The numbers in the table specify the first browser version that fully
supports the element. Element >bdi< 16.0 Not supported 10.0 Not
supported Not supported
Differences Between HTML 4.01 and HTML5
The >bdi< tag is new in HTML5.