anchor.diff:  
   [source, JAVA, indent=0]
   ----
  -include::{validation-api-source-dir}javax/validation/constraints/NotBlank.java[lines=7..8;27..-1]
  +include::{validation-api-source-dir}javax/validation/constraints/NotBlank.java[lines=7..8;26..-1]
   ----
   
   ====
  
positive.code: 
  [source, JAVA, indent=0]
  ----
  include::{validation-api-source-dir}javax/validation/constraints/NotEmpty.java[lines=7..8;27..-1]
  ----
  
  ====
  
negative.code: 
  [source, JAVA, indent=0]
  ----
  include::{validation-api-source-dir}javax/validation/constraints/Email.java[lines=7..8;26..-1]
  ----
  
  ====
  