anchor.diff:  
   The files we used above cover multiple Red Hat products. If you only want to
   scan one product - for example a specific version of Red Hat Enterprise Linux -
  -we advise to download a smaller specialized file covering just that one version.
  -Using a smaller file will waste less bandwidth and make the evaluation quicker.
  +we advise to download a smaller specialized file covering just this one version.
  +Using a smaller file will utilitize less bandwidth and make the evaluation
  +quicker.
   
   For example for Red Hat Enterprise Linux 7 the plain OVAL file is located at:
   
  
positive.code: vulnerabilities (identified by CVE name) that affect Red Hat Enterprise
  Linux 3, 4, 5, 6 and 7. This enable users to perform a vulnerability scan
  and diagnose whether system is vulnerable or not. The data is provided in
  two formats -- OVAL file, OVAL + XCCDF and a Source DataStream.
  
  ==== OVAL + XCCDF
  
  
negative.code: Result  fail
  ------------------------------------------------------------------------------------
  
  Human readable report *report.html* is generated, as well as "machine"
  readable report **results.xml**. Both files hold information about
  vulnerability status of scanned system. They map RHSA to CVEs and report
  what security advisories are not applied to the scanned system. CVE identifiers
  are linked with National Vulnerability Databases where additional information
  like CVE description, CVSS score, CVSS vector, etc. are stored.
  
  ==== OVAL only
  
  1)  Download the content
  ---------------------------------------------------------------------------------
  