Expression: /1/2/3 Object is a Node Set : Set contains 1 nodes: 1 ELEMENT image

ATTRIBUTE href
  TEXT
    content=linus.gif

Expression: element(/1/2/3) Object is a Node Set : Set contains 1 nodes: 1 ELEMENT image

ATTRIBUTE href
  TEXT
    content=linus.gif

Expression: element(foo)element(/1/2/3) Object is a Node Set : Set contains 1 nodes: 1 ELEMENT image

ATTRIBUTE href
  TEXT
    content=linus.gif

Expression: element(/1/2/3)element(foo) Object is a Node Set : Set contains 1 nodes: 1 ELEMENT image

ATTRIBUTE href
  TEXT
    content=linus.gif

Expression: chapter1/3 Object is a Node Set : Set contains 0 nodes:

Expression: element(chapter1/3) Object is empty (NULL)

Expression: element(foo)element(chapter1/3) Object is empty (NULL)

Expression: element(chapter1/3)element(foo) Object is empty (NULL)