Since the text cursor's " next " key ( viz ., the " n " key ) retained directional positioning information ( whether the " up " or " down " key was previously pressed ), the dot macro ( the " . " key ) could then be used to place the text cursor on the next brace, given an appropriate coding style.
22.
The ASCII control characters are almost entirely given new significance under MOS : known as the " VDU drivers ", because the documentation described them in relation to the VDU statement in BBC BASIC, they are interpreted as video control characters . ( i . e . ASCII 30 ) moves the cursor to ( 0, 0 ), VDU 4 and 5 select whether text should be drawn at the graphics or text cursor, VDU 12 clears the screen and VDU 14 and 15 turn scroll lock on and off.
23.
As I type, as long as I neither move the mouse nor move backward to edit what I'm writing, the mouse cursor stays where I put it, while a text cursor ( ? ) lies to the immediate right of what I'm typing . ( If I were instead typing Arabic, then I suppose to the immediate left . ) Precisely what I see depends on the particular browser; but in my experience, the former is an elaborated but non-winking vertical line whereas the latter is a winking and longer version of " | ".
