That's not right... these are Fritzing's instructions; https://github.com/fritzing/fritzing-app/wiki/2.1-Part-file-format#split-schematic-symbols-optional
<g id="subpart1">
<g id="subpart2">
<g id="subpart3">
</g>
</g>
</g>
and the elements in that SVG must be redistributed to be children of those elements.
I don't think the elements should be embedded... unless this is for something else...
I checked the 4070 and they are not embedded... makes a lot more sense that way.
"See one, do one, teach one"... you can't do one if you can't see one...