Test of all features involved in do_text() ========================================== Reverse video + red on yellow:  bing!  Yellow on red should look the same:  bong!  Basic attrs, combining chars, both widths: Bold blink under strike [Λ̊][チ][text] Wide char should be off by 1 narrow char: Bold blink under strike [Λ̊][チ][text] Double width, double height. Should be red top, magenta bottom, blue DW only: #3Bold blink under strike [Λ̊][チ][text] #4Bold blink under strike [Λ̊][チ][text] #6Bold blink under strike [Λ̊][チ][text]