========================
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)