Inset * inset = dit.nextInset();
LASSERT(inset && inset->lyxCode() == INCLUDE_CODE, continue);
InsetInclude * inset_inc = static_cast<InsetInclude *>(inset);
inset_inc->setChildBuffer(child_clone);
child_clone->d->setParent(buffer_clone);
Inset * inset = dit.nextInset();
LASSERT(inset && inset->lyxCode() == INCLUDE_CODE, continue);
InsetInclude * inset_inc = static_cast<InsetInclude *>(inset);
inset_inc->setChildBuffer(child_clone);
child_clone->d->setParent(buffer_clone);