Added docstring

useblocks · Nov 3, 2023 · e1fe042 · e1fe042
1 parent a432648
commit e1fe042
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/sphinx/builders/__init__.py b/sphinx/builders/__init__.py
@@ -586,7 +586,9 @@ def write(
 
         if self.parallel_ok:
             # number of subprocesses is parallel-1 because the main process
-            # is busy loading doctrees and doing write_doc_serialized()
+            # is busy loading doctrees and doing write_doc_serialized();
+            # in case all extension support parallel_post_transform_safe
+            # the main process does nothing
             self._write_parallel(sorted(docnames),
                                  nproc=self.app.parallel - 1)
         else: