rem: void WMSetRulerMargins(WMRuler * rPtr, WMRulerMargins margins)
add: WMSetRulerMargins(WMRuler * rPtr, WMRulerMargins margins)
context: void WMSetRulerMargins(WMRuler * rPtr, WMRulerMargins margins){    if (!rPtr)    return;    rPtr->margins.left = margins.left + rPtr->offset;    rPtr->margins.right = margins.right + rPtr->offset;    rPtr->margins.first = margins.first + rPtr->offset;    rPtr->margins.body = margins.body + rPtr->offset;    rPtr->margins.tabs = margins.tabs;    /*for loop */    rPtr->flags.redraw = True;    paintRuler(rPtr);}