Function moveOnce

tools/pythonauto/static/codemirrorepl/codemirrorepl.js:1458–1464

(boundToLine)

                }
            }
            function moveOnce(boundToLine) {
                if (ch == (dir < 0 ? 0 : lineObj.text.length)) {
                    if (!boundToLine && findNextLine()) ch = dir < 0 ? lineObj.text.length : 0;
                    else return false;
                } else ch += dir;
                return true;
            }
            if (unit == "char") moveOnce();
            else if (unit == "column") moveOnce(true);
            else if (unit == "word") {