Some @throws clauses have this extra dash after the exception name, which results in double dash in the generated HTML.

Examples:
src/java.base/share/classes/java/util/PropertyPermission.java: * @throws IllegalArgumentException - if the permission is not a
src/java.base/share/classes/java/util/PropertyPermission.java: * @throws SecurityException - if this PropertyPermissionCollection
src/java.base/share/classes/java/security/PermissionCollection.java: * @throws SecurityException - if this PermissionCollection object
src/java.base/share/classes/java/security/PermissionCollection.java: * @throws IllegalArgumentException - if this PermissionCollection
src/java.base/share/classes/java/security/AllPermission.java: * @throws IllegalArgumentException - if the permission is not a
src/java.base/share/classes/java/security/AllPermission.java: * @throws SecurityException - if this AllPermissionCollection object
src/java.base/share/classes/java/security/Policy.java: * @throws SecurityException - if this PermissionCollection object
src/java.base/share/classes/java/security/BasicPermission.java: * @throws IllegalArgumentException - if the permission is not a
src/java.base/share/classes/java/security/BasicPermission.java: * @throws SecurityException - if this BasicPermissionCollection object
src/java.base/share/classes/java/io/FilePermission.java: * @throws IllegalArgumentException - if the permission is not a
src/java.base/share/classes/java/io/FilePermission.java: * @throws SecurityException - if this FilePermissionCollection object