The std_blank_layout layout weblet is a plain layout with no header or footer areas defined and no color scheme. That is, it is used for displaying a Webroutine with no layout/css.
The std_blank_layout layout weblet must never be modified.
A WAM layout that has been created using the std_blank_layout layout weblet looks like this when opened in the Editor:
With the introduction of this new blank layout, displaying a WebRoutine with no layout/css is simplified. Instead of selecting the layout weblet part of the design view, and changing the property no_layout to true
you simply drag the std_blank_layout weblet onto the webroutine. It will replace whatever layout it had previously.