This probably isn't the same source that your'e thinking of, but here's a well-considered answer on SO to the question "Why are the <b> and <i> tags deprecated?

This probably isn't the same source that your'e thinking of, but here's a well-considered answer on SO to the question "Why are the <b> and <i> tags deprecated?". https://softwareengineering.stackexchange.com/a/255588 https://softwareengineering.stackexchange.com/a/255588