clarified state: node_required is guarded by PIDE.editor.document_active (e.g. open panel);
/***************************************************************************
Title: graphbrowser/Box.java
Author: Gerwin Klein, TU Muenchen
A box with width and height. Used instead of java.awt.Dimension for
batch mode.
***************************************************************************/
package isabelle.graphbrowser;
public class Box {
public int width;
public int height;
public Box(int w, int h) {
this.width = w;
this.height = h;
}
}