more frugal merge of markup trees: restrict to expected range before checking trivial cases, e.g. relevant for sporadic warnings (eval_exec) within big ML reports (print_exec);
/***************************************************************************
Title: GraphBrowser/AWTFontMetrics.java
Author: Gerwin Klein, TU Muenchen
AbstractFontMetrics avoids dependency on java.awt.FontMetrics in
batch mode.
***************************************************************************/
package GraphBrowser;
public interface AbstractFontMetrics {
public int stringWidth(String str);
public int getAscent();
public int getDescent();
}