MNT: Do not completely take over test collection ignore

CHANGES.rst

@@ -1,6 +1,8 @@
 0.12.2 (unreleased)
 ===================
 
+- Compatibility with pytest 7.4 w.r.t. norecursedirs handling. [#201]
+
 - Respect ``--doctest-continue-on-failure`` flag. [#197]
 
 - Report doctests raising skip exceptions as skipped. [#196]

pytest_doctestplus/plugin.py

@@ -554,7 +554,7 @@ def get_list_opt(name):
                     self._ignore_paths.append(path)
                     break
 
-        return False
+        # None = Let other plugins decide the outcome.
 
     def pytest_collect_file(self, path, parent):
         """Implements an enhanced version of the doctest module from py.test

tests/test_doctestplus.py

@@ -1142,3 +1142,26 @@ def foo():
 
     result = testdir.inline_run(build_dir, '--doctest-plus', '--doctest-modules', '--doctest-ufunc')
     result.assertoutcome(passed=2, failed=0)
+
+
+def test_norecursedirs(testdir):
+    testdir.makeini(
+        """
+        [pytest]
+        norecursedirs = \"bad_dir\"
+        doctestplus = enabled
+    """
+    )
+    subdir = testdir.mkdir("bad_dir")
+    badfile = subdir.join("test_foobar.py")
+    badfile.write_text("""
+        def f():
+            '''
+            >>> x = 1/3.
+            >>> x
+            0.333333
+            '''
+            fail
+    """, "utf-8")
+    reprec = testdir.inline_run(str(testdir), "--doctest-plus")
+    reprec.assertoutcome(failed=0, passed=0)