Validacion de mi blog con w3 
hola, mi blog es http://espacio846.blogspot.com/ y tiene 13 errores, pero la mayoria en la linea 2.la valide aqui: http://validator.w3.org/
Eston son:
Line 2, Column 219: Attribute xmlns:b not allowed here.
…www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'>
Line 2, Column 219: Attribute with the local name xmlns:b is not serializable as XML 1.0.
…www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'>
Line 2, Column 219: Attribute xmlns:data not allowed here.
…www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'>
Line 2, Column 219: Attribute with the local name xmlns:data is not serializable as XML 1.0.
…www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'>
Line 2, Column 219: Attribute xmlns:expr not allowed here.
…www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'>
Line 2, Column 219: Attribute with the local name xmlns:expr is not serializable as XML 1.0.
…www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'>
Line 2, Column 219: Attribute b:version is not serializable as XML 1.0.
…www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'>
Line 2, Column 219: Attribute b:version not allowed on element html at this point.
…www.google.com/2005/gml/data' xmlns:expr='http://www.google.com/2005/gml/expr'>
Attributes for element html:
Global attributes
y todos en la linea 2 saben que pasa
