vk_api 1.0.69

The Vulkan API XML exposed as a byte string constant
Documentation
# This script updates the valid usage IDs in the specification
# AsciiDoctor files.  If a valid usage entry already contains
# an ID, it skips that entry.  If it does not contain an ID,
# it will generate a new one.
./doc/specs/vulkan/reflow.py -overwrite -noflow -tagvu