caoyuan 29098ac5f1 tox: Keeping going with docs
Sphinx 1.8 introduced [1] the '--keep-going' argument which, as its name
suggests, keeps the build running when it encounters non-fatal errors.
This is exceptionally useful in avoiding a continuous edit-build loop
when undertaking large doc reworks where multiple errors may be
introduced.

[1] https://github.com/sphinx-doc/sphinx/commit/e3483e9b045

Change-Id: I91ed3b79467683cfca34ef7d79afeb3e6d966f86
2019-10-24 15:01:16 +08:00
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2019-10-24 15:01:16 +08:00