If the line b=4 is completed with "Enter", b appears in the list.
If only the mouse pointer is placed in the last line, b does not appear in the list!
Line b=4 is not recognized as complete.
If one of the unrecognized variables is subsequently completed with ENTER, all variables are updated
If only the mouse pointer is placed in the last line, b does not appear in the list!
Line b=4 is not recognized as complete.
If one of the unrecognized variables is subsequently completed with ENTER, all variables are updated