bpo-92336: [doc] clarify that the dfile is read by the traceback display code (GH-94409)
(cherry picked from commit 68fb03249f3b17146db42b00a75718b823a2280c)
Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
diff --git a/Doc/library/py_compile.rst b/Doc/library/py_compile.rst
index 4fba4cb..69b93a3 100644
--- a/Doc/library/py_compile.rst
+++ b/Doc/library/py_compile.rst
@@ -35,8 +35,9 @@
in ``.pyc``.
For example, if *file* is ``/foo/bar/baz.py`` *cfile* will default to
``/foo/bar/__pycache__/baz.cpython-32.pyc`` for Python 3.2. If *dfile* is
- specified, it is used as the name of the source file in error messages
- instead of *file*. If *doraise* is true, a :exc:`PyCompileError` is raised
+ specified, it is used instead of *file* as the name of the source file from
+ which source lines are obtained for display in exception tracebacks.
+ If *doraise* is true, a :exc:`PyCompileError` is raised
when an error is encountered while compiling *file*. If *doraise* is false
(the default), an error string is written to ``sys.stderr``, but no exception
is raised. This function returns the path to byte-compiled file, i.e.
