Blanks are removed from the documentation during upgrade or Export import from V12 to V21
In the Export the blanks are still there, but once the object is imported most blanks are removed.
Example showing the issue, in version 12.x blanks are present:
But in version 21.x after being imported or upgraded they are lost:
Release : 21.x
Component: Automation Engine
Update to a fix version listed below or a newer version if available.
Component(s): Automation Engine
Automation.Engine 21.0.8 - Available
Bug ID: AE-31328
Public description: A problem in the "Import" functionality has been fixed where, if the XML to be imported contained blanks in its values, the blanks were not imported correctly.