Note Soy alternateId is not ready yet to avoid usage for now.
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@@ -295,6 +295,8 @@ attribute to restore access for all translators.
### Alternate IDs
+NOTE: This feature is not fully supported yet. Stay tuned for Soy announcement.
+
If you migrate from another message management scheme to Soy, that will likely
cause all your message IDs to change. In this case, use the `alternateId`
attribute to leverage the existing translated message. Unlike the `fallbackmsg`
