Assertion: parent's child | /r/CapableOf | read a block of data
Facets:
Source sentences:
text: On the other hand, once the buffered data is read, if the parent reads another buffer full, that moves the current file position for both the parent and the child, so the child won't then see the data that the parent just read (but if the child also reads a block of data, the parent won't see that).