Attribute Scripting Syntax

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The following syntax rules apply to attribute scripts and layout commands:

• Attribute scripts must be within an attribute named "editme".
• There can only be one editme attribute in a tag, and attributes cannot appear in closing tags. 
• Layout commands may accept one or more arguments separated by a space.
• The last Layout command argument may accept JavaScript code.
• Multiple Layout Commands are separated by two semi-colons (;;). 

Examples of correct syntax:

• Layout command with no arguments:
  <span editme="parse">Hello, {user.name}!</span>
• Single JavaScript argument:
  <p editme="text 'hello!'">will replace this text with hello!</p>
• Single JavaScript argument containing multiple JavaScript statements:
  <span editme="text  s=page.title; s.length>0 ? s : page.name">will replace this with the page title or page name if title is blank</span>
• Multiple commands in a single attribute:
  <div editme="if user.isLoggedIn ;; text user.name">will replace this with user name if user is logged in</div>

Examples of incorrect syntax:

• Attribute name must be editme:
  <p script="parse">Hello {user.name}!</p>
• Cannot have multiple editme attributes per tag:
  <p editme="if user.isLoggedIn" editme="parse">Hello {user.name}!</p>
• Cannot put attributes in closing tag:
  <p>Won't work</p editme="parse">
• Double semi-colons must be sequential:
  <p editme="if user.isLoggedIn ; ; parse">Hello {user.name}!</p>