diff -Nru src-orig/edu/stanford/nlp/parser/ui/TreeJPanel.java src/edu/stanford/nlp/parser/ui/TreeJPanel.java
--- src-orig/edu/stanford/nlp/parser/ui/TreeJPanel.java	2007-08-20 01:18:26.000000000 +0200
+++ src/edu/stanford/nlp/parser/ui/TreeJPanel.java	2007-12-02 18:52:56.000000000 +0100
@@ -201,6 +201,7 @@
   public void paintComponent(Graphics g) {
     super.paintComponent(g);
     Graphics2D g2 = (Graphics2D) g;
+    g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
     Dimension space = getSize();
     FontMetrics fM = pickFont(g2, tree, space);
     double width = width(tree, fM);
@@ -259,5 +260,19 @@
     frame.setVisible(true);
     frame.setVisible(true);
   }
+  
+  public Font pickFont() {
+      Font font = getFont();
+      String name = font.getName();
+      int style = font.getStyle();
+      int size = ( maxFontSize + minFontSize ) / 2;
+      return new Font(name, style, size);
+    }
 
-}
+  public Dimension getTreeDimension(Tree tree, Font font) {
+      FontMetrics fM = getFontMetrics(font);
+      double width = width(tree, fM);
+      double height = height(tree, fM);
+      return new Dimension((int)width, (int)height);
+  }
+}  
diff -Nru src-orig/edu/stanford/nlp/trees/GrammaticalRelation.java src/edu/stanford/nlp/trees/GrammaticalRelation.java
--- src-orig/edu/stanford/nlp/trees/GrammaticalRelation.java	2007-08-20 01:18:26.000000000 +0200
+++ src/edu/stanford/nlp/trees/GrammaticalRelation.java	2008-01-19 10:59:24.000000000 +0100
@@ -98,14 +98,14 @@
    */
   public static final GrammaticalRelation KILL = new GrammaticalRelation("KILL", "dummy relation kill", null, null, StringUtils.EMPTY_STRING_ARRAY);
 
-  private final String shortName;
-  private final String longName;
-  private GrammaticalRelation parent;
-  private List<GrammaticalRelation> children = new ArrayList<GrammaticalRelation>();
+  protected String shortName;
+  protected String longName;
+  protected GrammaticalRelation parent;
+  protected List<GrammaticalRelation> children = new ArrayList<GrammaticalRelation>();
   // a regexp for node values at which this relation can hold
-  private Pattern sourcePattern = null;
-  private List<TregexPattern> targetPatterns = new ArrayList<TregexPattern>();
-  private String specific = null; // to hold the specific prep or conjunction associated with the grammatical relation
+  protected Pattern sourcePattern = null;
+  protected List<TregexPattern> targetPatterns = new ArrayList<TregexPattern>();
+  protected String specific = null; // to hold the specific prep or conjunction associated with the grammatical relation
 
   public GrammaticalRelation(String shortName,
                       String longName,
@@ -136,7 +136,7 @@
     }
   }
 
-  private void addChild(GrammaticalRelation child) {
+  protected void addChild(GrammaticalRelation child) {
     children.add(child);
   }
 
@@ -212,6 +212,27 @@
     return parent;
   }
 
+  /**
+   * Returns the children of this <code>GrammaticalRelation</code>.
+   */
+  public List<GrammaticalRelation> children() {
+    return children;
+  }
+
+  /**
+   * Returns the source patterns of this <code>GrammaticalRelation</code>.
+   */
+  public Pattern getSourcePattern() {
+      return sourcePattern;
+  }
+
+  /**
+   * Returns the target patterns of this <code>GrammaticalRelation</code>.
+   */
+  public List<TregexPattern> getTargetPatterns() {
+      return targetPatterns;
+  }
+
   public boolean equals(GrammaticalRelation gr) {
     if(this.shortName.equals(gr.shortName) && this.specific == gr.specific) {
       return true;
diff -Nru src-orig/edu/stanford/nlp/trees/tregex/TregexParser.java src/edu/stanford/nlp/trees/tregex/TregexParser.java
--- src-orig/edu/stanford/nlp/trees/tregex/TregexParser.java	2007-08-20 01:18:26.000000000 +0200
+++ src/edu/stanford/nlp/trees/tregex/TregexParser.java	2008-02-19 07:32:42.000000000 +0100
@@ -467,6 +467,7 @@
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
+    underNegation = false;
     for (int i = 0; i < 22; i++) jj_la1[i] = -1;
   }
 
@@ -492,6 +493,7 @@
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
+    underNegation = false;
     for (int i = 0; i < 22; i++) jj_la1[i] = -1;
   }
 
@@ -515,6 +517,7 @@
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
+    underNegation = false;
     for (int i = 0; i < 22; i++) jj_la1[i] = -1;
   }