The ESI(Edge Side Includes) language is conceptually similar in many ways to the Server Side Includes (SSI) function found in many webservers. It is an in-markup scripting language that is interpreted before the page is served to the client.
The attribute value type "color" (%Color;) refers to color definitions as specified in [SRGB]. (颜色的定义) A color value may either be a hexadecimal number (prefixed by a hash mark-#) or one of the following sixteen col…
How to read the HTML DTD (tenfyguo注:important!!,定义了HTML的元素包含关系以及元素允许和不允许的嵌套内容等规则, 符合DTD定义的html格式称为well-formed html) Each element and attribute declaration in …