Alternate scaling using GD is implemented now; images will be scaled with ImageMagick if enabled and working; else, GD will be used. No UI changes to speak of, but a check in the installer will be added in a later commit

<?php

class Text_Wiki_Render_Plain extends Text_Wiki_Render {
    
    function pre()
    {
        return;
    }
    
    function post()
    {
        return;
    }
    
}
?>