Usage details:

• Arguments for fragment is case insensitive.
• If fragment variable get more than one value, the first value will be taken as the result by callback.

Examples:

• URI(without quotes) = 'http://abc.com/hello.xml#op=text'
  $(fragment:op) -> text
  $(fragment:OP) -> text
  $(fragment:oP) -> text
  $(fragment:Op) -> text
  
  
• URI(without quotes) = 'http://abc.com/hello.xml#op=text&op=1234'
  $(fragment:op) -> text
  $(fragment:OP) -> text
  $(fragment:oP) -> text
  $(fragment:Op) -> text
  
  
• URI(without quotes) = 'http://abc.com/hello.xml#op=1234&op=text'
  $(fragment:op) -> 1234
  $(fragment:OP) -> 1234
  $(fragment:oP) -> 1234
  $(fragment:Op) -> 1234
  
  
• URI(without quotes) = 'http://abc.com/hello.xml#op=1234&oP=text'
  $(fragment:op) -> 1234
  $(fragment:OP) -> 1234
  $(fragment:oP) -> 1234
  $(fragment:Op) -> 1234