Of course it does, that was my mistake, but that must have been the rush this morning before going to work. I corrected it the way I normally do it, so with parenthesis before the 1 and a closing one before the semicolon.
Didn't change the effect (actually I programmed it correctly but posted it here incorrectly). I will use my scope to it to see the effects, but not before tonight. No matter what, I detect a high/low switch when I perform a drigitalWrite(x, HIGH). Not that it matters to me but I thought it would be interesting to you all. I use a recent rev. UNO b.t.w. it could be hardware related of course.
PORTB &= ~(1<<PINB5);
delay(1000);
PORTB |= (1<<PINB5);
delay(1000);
No offense, but I consider just exploring it myself and then just share it with my students 