DefDescriptor<LayoutsDef> parentDesc = ((LayoutsDefHandler) getParentHandler()).getDefDescriptor();
builder.setDescriptor(SubDefDescriptorImpl.getInstance(name, parentDesc, LayoutDef.class));
builder.setName(name);
builder.setMatch(getAttributeValue(ATTRIBUTE_MATCH));
TextTokenizer tt = TextTokenizer.tokenize(getAttributeValue(ATTRIBUTE_TITLE), getLocation());
tt.addExpressionRefs(getParentHandler());
builder.setTitle(tt.asValue(getParentHandler()));
builder.setDescription(getAttributeValue(RootTagHandler.ATTRIBUTE_DESCRIPTION));
}