The doctest examples that illustrate the use of doctest option flags
independent of doctest directives should not display doctest directives.

Issue #12947: revert earlier workaround and use a monkey-patch to enable showing doctest directives only in the doctest docs.

Issue #12947: revert earlier workaround and use a monkey-patch to enable showing doctest directives only in the doctest docs.

This changeset also applies the rendering workaround to the last remaining
example in the file that has a doctest directive that should be displayed.

misleading error message stating that args[0] did not exist when
either the cwd or executable keyword arguments specified a path that
did not exist.

misleading error message stating that args[0] did not exist when
either the cwd or executable keyword arguments specified a path that
did not exist.

misleading error message stating that args[0] did not exist when
either the cwd or executable keyword arguments specified a path that
did not exist.

It now keeps track of if the child got as far as preexec and reports it if
not back to the parent via a special "noexec" error message value in
the error pipe so that the cwd can be blamed for a failed chdir
instead of the exec of the executable being blamed instead.

The executable is also always reported accurately when exec fails.

Unittests enhanced to cover these cases.

Patch from Serhiy Storchaka.

Patch from Serhiy Storchaka.

Closes #16082: clarify the documentation of tostring[list] saying that it may generate a bytestring, depending on the given encoding.

Issue #16082: clarify the documentation of tostring[list] saying that it may generate a bytestring, depending on the given encoding.

Issue #12322: clarify xpath reference for cases where the path reaches ancestors of the start element. Also add missing markup for a None. Thanks to patrick vrijlandt and Mike Hoy for the report and initial patches.

Issue #12322: clarify xpath reference for cases where the path reaches ancestors of the start element. Also add missing markup for a None. Thanks to patrick vrijlandt and Mike Hoy for the report and initial patches.

Patch by Berker Peksag.

Patch by Berker Peksag.

Patch by Berker Peksag.

Patch by Chris Jerdonek. Address Ezio's review comment.

Patch by Chris Jerdonek. Address Ezio's review comment.

Patch by Chris Jerdonek. Address Ezio's review comment.