Index: sky/sdk/lib/rendering/README.md |
diff --git a/sky/sdk/lib/rendering/README.md b/sky/sdk/lib/rendering/README.md |
index 3570d0ac9b6246450191cf44d935d2015e671682..3d6fc1dc13f7ed132fe9bc45911cc9df39d9ed2f 100644 |
--- a/sky/sdk/lib/rendering/README.md |
+++ b/sky/sdk/lib/rendering/README.md |
@@ -85,6 +85,13 @@ preinitialise the `parentData` member to set its values before you add |
a node to its parent, you can preemptively call that future parent's |
`setParentData()` method with the future child as the argument. |
+TODO(ianh): Discuss putting per-child configuration information for |
+the parent on the child's parentData. |
+ |
+If you change a child's parentData dynamically, you must also call |
+markNeedsLayout() on the parent, otherwise the new information will |
+not take effect until something else triggers a layout. |
+ |
### Box Model |
#### Dimensions |