Found in version 0133 on Windows XP, verified to also exist in 0124.
The following will cause the PDE to display "unexpected token: void"
PFont fontA;

//fontA = loadFont("it doesn't matter if loadFont is present");

textFont(fontA, 32);

void anything()
{
}

you cannot call functions outside of other setup() and draw() or other
methods. that's mixing "basic" and "continuous" mode. read help -> getting
started, and read more examples to get a better understanding of how it works.