This section contains non-normative information, including topics about new features in DITA 1.3 and migrating from DITA 1.2 to DITA 1.3.
<foreign>
element can contain a mixture of DITA and non-DITA content. Non-DITA content that is contained within a <foreign>
element cannot be generalized. However, the <foreign>
element itself, as well as any DITA elements that it contains, can be generalized using normal rules.