bpo-39429: Add a new "Python Development Mode" doc page (GH-18132)
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index 351a8e4..d28b356 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -428,9 +428,9 @@
The :term:`named tuple` *flags* exposes the status of command line
flags. The attributes are read only.
- ============================= =============================
+ ============================= ================================================================
attribute flag
- ============================= =============================
+ ============================= ================================================================
:const:`debug` :option:`-d`
:const:`inspect` :option:`-i`
:const:`interactive` :option:`-i`
@@ -444,9 +444,9 @@
:const:`bytes_warning` :option:`-b`
:const:`quiet` :option:`-q`
:const:`hash_randomization` :option:`-R`
- :const:`dev_mode` :option:`-X` ``dev``
- :const:`utf8_mode` :option:`-X` ``utf8``
- ============================= =============================
+ :const:`dev_mode` :option:`-X dev <-X>` (:ref:`Python Development Mode <devmode>`)
+ :const:`utf8_mode` :option:`-X utf8 <-X>`
+ ============================= ================================================================
.. versionchanged:: 3.2
Added ``quiet`` attribute for the new :option:`-q` flag.
@@ -461,8 +461,9 @@
Added ``isolated`` attribute for :option:`-I` ``isolated`` flag.
.. versionchanged:: 3.7
- Added ``dev_mode`` attribute for the new :option:`-X` ``dev`` flag
- and ``utf8_mode`` attribute for the new :option:`-X` ``utf8`` flag.
+ Added the ``dev_mode`` attribute for the new :ref:`Python Development
+ Mode <devmode>` and the ``utf8_mode`` attribute for the new :option:`-X`
+ ``utf8`` flag.
.. data:: float_info