although nowadays there's HTML5, which isn't an SGML application. It allows (but...

detaro on June 26, 2019 | parent | context | favorite | on: HTML is the Web

although nowadays there's HTML5, which isn't an SGML application. It allows (but ignores) the closing slash for void elements (like <br>), and specifies error recovery for non-void elements that treats it as if the slash didn't exist.