The 'tinderbox' tag wraps the overall data:
<tinderbox version="2" revision="9" savedBy="6.2.0" > [data] </tinderbox>
version. The (presumed) structural version of the TBX file: a number.
revision. The (presumed) revision version of file version: a number
savedBy. The app version number that created or last saved the current file: a version number.
The tinderbox object contains a number of standard tags: