
sec:privilege-remove-roles( $action as xs:string, $kind as xs:string, $role-names as xs:string* ) as empty-sequence()
  Removes roles ($role-names) from the roles assigned to the privilege
  ($action,$kind).
  If a privilege identified by ($action,$kind) is not found, an error is 
  returned.
 
  If one of $role-names does not correspond to an existing role,
  an error is returned.
  If the current user is limited to granting only his/her roles,
  and $role is not a subset of the current user's roles, then an error
  is returned. 
  
http://marklogic.com/xdmp/privileges/privilege-remove-roles
	  http://marklogic.com/xdmp/privileges/grant-all-roles orhttp://marklogic.com/xdmp/privileges/grant-my-roles
  This function must be executed against the security database.
(: execute this against the security database :)
xquery version "1.0-ml";
import module namespace sec="http://marklogic.com/xdmp/security" at 
    "/MarkLogic/security.xqy";
 
sec:privilege-remove-roles(
    "http://marklogic.com/xdmp/privileges/mypriv", 
    "execute", "Contractor")
  
(: Removes the specified privilege from the "Contractor" role. :) 
  
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