rust-index: check that the entry bytes are the same in both indexes This is a temporary measure to show that both the Rust and C indexes are kept in sync. Comes with some related documentation precisions. For comparison of error cases, see `index_entry_binary()` in `revlog.c`.

[build-system]
requires = ["setuptools", "wheel"]

[tool.black]
line-length = 80
exclude = '''
build/
| wheelhouse/
| dist/
| packages/
| \.hg/
| \.mypy_cache/
| \.venv/
| mercurial/thirdparty/
'''
skip-string-normalization = true
quiet = true