2.1.10 [HTML] Section 9.3.2, Controlling line breaks

V0010:

The specification states:

 With respect to bidirectional formatting, the BR element should behave the same way 
 the [ISO-10646] LINE SEPARATOR character behaves in the bidirectional algorithm.

Quirks Mode and IE7 Mode (All Versions)

The [ISO-10646] model for interwoven bidirectional text is not supported.