Issue #18757: Improved cross-references in the concurrent package.
diff --git a/Doc/library/subprocess.rst b/Doc/library/subprocess.rst
index 3a30821..f115634 100644
--- a/Doc/library/subprocess.rst
+++ b/Doc/library/subprocess.rst
@@ -76,7 +76,7 @@
Run command with arguments. Wait for command to complete. If the return
code was zero then return, otherwise raise :exc:`CalledProcessError`. The
:exc:`CalledProcessError` object will have the return code in the
- :attr:`returncode` attribute.
+ :attr:`~CalledProcessError.returncode` attribute.
The arguments shown above are merely the most common ones, described below
in :ref:`frequently-used-arguments` (hence the use of keyword-only notation
@@ -122,8 +122,8 @@
If the return code was non-zero it raises a :exc:`CalledProcessError`. The
:exc:`CalledProcessError` object will have the return code in the
- :attr:`returncode` attribute and any output in the :attr:`output`
- attribute.
+ :attr:`~CalledProcessError.returncode` attribute and any output in the
+ :attr:`~CalledProcessError.output` attribute.
The arguments shown above are merely the most common ones, described below
in :ref:`frequently-used-arguments` (hence the use of keyword-only notation
@@ -607,14 +607,14 @@
.. method:: Popen.poll()
- Check if child process has terminated. Set and return :attr:`returncode`
- attribute.
+ Check if child process has terminated. Set and return
+ :attr:`~Popen.returncode` attribute.
.. method:: Popen.wait(timeout=None)
- Wait for child process to terminate. Set and return :attr:`returncode`
- attribute.
+ Wait for child process to terminate. Set and return
+ :attr:`~Popen.returncode` attribute.
If the process does not terminate after *timeout* seconds, raise a
:exc:`TimeoutExpired` exception. It is safe to catch this exception and
@@ -860,8 +860,8 @@
In addition, the replacements using :func:`check_output` will fail with a
:exc:`CalledProcessError` if the requested operation produces a non-zero
- return code. The output is still available as the ``output`` attribute of
- the raised exception.
+ return code. The output is still available as the
+ :attr:`~CalledProcessError.output` attribute of the raised exception.
In the following examples, we assume that the relevant functions have already
been imported from the :mod:`subprocess` module.