 #-----------------------------------------------------------------------------------------------------------
 @layout_from_name = ( S, L, layout_name ) ->
   unless ( R = L.layout_events[ layout_name ] )?
-    throw new Error "#{badge}#µ4450 unknown layout #{rpr layout_name}"
+    throw new Error "#{badge} µ47753 unknown layout #{rpr layout_name}"
   return R[ 2 ]
 
 #-----------------------------------------------------------------------------------------------------------
 @push_layout_name = ( S, L, layout_name ) ->
   unless L.layout_events[ layout_name ]?
-    throw new Error "#{badge}#µ4445 unknown layout #{rpr layout_name}"
+    throw new Error "#{badge} µ42558 unknown layout #{rpr layout_name}"
   L.layout_name_stack.push layout_name
   return null
 

  unless ( R = L.selectors_and_content_events[ layout_name ] )?
    debug '88733', L.selectors_and_content_events
    debug '88733', Object.keys L.selectors_and_content_events
    throw new Error "#{badge}#µ5745 unknown layout #{rpr layout_name}"
  return R

#===========================================================================================================

      [ _, _, Q, _, ]       = event
      ### OBS attribute is named 'layout' but contains layout name ###
      unless Q.layout?
        throw new Error "#{badge} µ29245 missing required attribute `layout` for <mkts-table-content>: #{rpr event}"
      @push_layout_name S, L, Q.layout
      send stamp event
    #.......................................................................................................
