example problem:
from: http://www.w3schools.com/xml/xml_namespaces.asp
HTML table
Furniture table
African Coffee Table
80
120
SOLUTION:
Apples
Bananas
African Coffee Table
80
120
SOLUTION using namespaces (where semantics are predefined, instead of
using arbitrary prefixes
Apples
Bananas
African Coffee Table
80
120
or
Apples
Bananas
African Coffee Table
80
120