[New-bugs-announce] [issue39712] Doc for `-X dev` option should mention PYTHONDEVMODE

[Antoine Pitrou]

New submission from Antoine Pitrou <pitrou at free.fr>:

In the doc for `-X` options (https://docs.python.org/3/using/cmdline.html#id5), when an option can be triggered through an equivalent environment variable, that variable is mentioned.

An exception to that is `-X dev`, which can also be triggered by the PYTHONDEVMODE variable, but that isn't mentioned in the CLI doc.

Other missing environment variables in the CLI doc are PYTHONFAULTHANDLER and PYTHONTRACEMALLOC.

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assignee: docs at python
components: Documentation
keywords: easy, newcomer friendly
messages: 362414
nosy: docs at python, eric.araujo, ezio.melotti, mdk, pitrou, vstinner, willingc
priority: normal
severity: normal
stage: needs patch
status: open
title: Doc for `-X dev` option should mention PYTHONDEVMODE
type: enhancement
versions: Python 3.7, Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39712>
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