Provider over a fully-resident source buffer — the default, and
bit-for-bit the historical behaviour: acquisitions are the source
buffer itself at offset 0, so view-relative cursors are absolute
addresses and nothing changes for existing extraction code.
Provider over a fully-resident source buffer — the default, and bit-for-bit the historical behaviour: acquisitions are the source buffer itself at offset 0, so view-relative cursors are absolute addresses and nothing changes for existing extraction code.