### HTML comment example Source: https://w3c.github.io/html-reference/syntax.html Shows a valid HTML comment. The comment must start with , and the text must not start with '>' or '->', must not contain '--', and must not end with '-'. ```html ``` -------------------------------- ### Example of a document with implied start and end tags Source: https://w3c.github.io/html-reference/spec.html A minimal HTML document that omits the start and end tags for html, head, and body elements, yet is still a complete, valid document. The DOM tree constructed from this example includes the implied html, head, and body elements. ```html A relatively minimal HTML document

Hello World!

``` -------------------------------- ### Decimal numeric character reference example Source: https://w3c.github.io/html-reference/syntax.html Use this example to represent the dagger character (†, U+2020 DAGGER) with a decimal numeric character reference. The reference consists of an ampersand, a hash, one or more base-ten digits that are a Unicode code point, and a semicolon. ```html † ``` -------------------------------- ### Named character reference example: † Source: https://w3c.github.io/html-reference/syntax.html Use this example to represent the dagger character (†, U+2020 DAGGER) with a named character reference. The reference must start with an ampersand, use the exact case from the HTML5 named character references list, and end with a semicolon. ```html † ``` -------------------------------- ### Legacy-tool-compatible doctype: Source: https://w3c.github.io/html-reference/syntax.html A legacy-tool-compatible doctype consists of the case-insensitive string "" character. This example uses lowercase "doctype" and "system" and is conformant. ```html ```