doc/ref/api-data.texi from the current master branch contains: Additionally, if these checks see that the layout of the child vtable contains all the required fields of a vtable, in the correct order, then the child vtable will also be a meta-table, inheriting a magical bit from the parent.
As far as I understand, the following changes would be correct: Replace the second occurrence of "vtable" by "meta-vtable". (And maybe replace "meta-table" by "meta-vtable".)
