@@ -494,7 +494,7 @@ protected boolean checkCode() {
       if (problems.length == 0 && !editor.hasJavaTabs()) {
         //mainClassOffset++; // just a hack.
 
-        sourceCode = xqpreproc.doYourThing(sourceCode, programImports);
+        sourceCode = xqpreproc.handle(sourceCode, programImports);
         prepareCompilerClasspath();
 //        mainClassOffset = xqpreproc.mainClassOffset; // tiny, but
 //                                // significant
 
@@ -39,7 +39,6 @@
 import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import java.awt.image.BufferedImage;
-import java.util.ArrayList;
 import java.util.List;
 
 import javax.swing.text.BadLocationException;
 
@@ -31,7 +31,6 @@
 import org.eclipse.jdt.core.dom.MethodDeclaration;
 import org.eclipse.jdt.core.dom.Modifier;
 import org.eclipse.jdt.core.dom.NumberLiteral;
-import org.eclipse.jdt.core.dom.SimpleType;
 import org.eclipse.jdt.core.dom.rewrite.ASTRewrite;
 import org.eclipse.jface.text.BadLocationException;
 import org.eclipse.jface.text.Document;
@@ -44,9 +43,8 @@
 
 
 /**
- * Implementation of P5 preprocessor that uses Eclipse JDT features instead
- * of ANTLR. Performance gains mostly and full control over debug output,
- * but needs lots and lots of testing.
+ * Implementation of PdePreprocessor that uses Eclipse JDT features
+ * instead of ANTLR.
  */
 public class XQPreprocessor {
   private ASTRewrite rewrite = null;
@@ -56,8 +54,10 @@ public class XQPreprocessor {
   private String[] defaultImports;
 
 
-  public XQPreprocessor(ErrorCheckerService errorCheckerService) {
-    ecs = errorCheckerService;
+  public XQPreprocessor(ErrorCheckerService ecs) {
+    this.ecs = ecs;
+
+    // get parameters from the main preproc
     PdePreprocessor p = new PdePreprocessor(null);
     defaultImports = p.getDefaultImports();
     coreImports = p.getCoreImports();
@@ -67,8 +67,8 @@ public XQPreprocessor(ErrorCheckerService errorCheckerService) {
   /**
    * The main preprocessing method that converts code into compilable Java.
    */
-  public String doYourThing(String source,
-                            List<ImportStatement> programImports) {
+  protected String handle(String source,
+                          List<ImportStatement> programImports) {
     this.extraImports = programImports;
     Document doc = new Document(source);
 
@@ -77,15 +77,15 @@ public String doYourThing(String source,
     parser.setKind(ASTParser.K_COMPILATION_UNIT);
 
     @SuppressWarnings("unchecked")
-      Map<String, String> options = JavaCore.getOptions();
+    Map<String, String> options = JavaCore.getOptions();
 
     JavaCore.setComplianceOptions(JavaCore.VERSION_1_8, options);
     options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_8);
     parser.setCompilerOptions(options);
     CompilationUnit cu = (CompilationUnit) parser.createAST(null);
     cu.recordModifications();
     rewrite = ASTRewrite.create(cu.getAST());
-    cu.accept(new XQASTVisitor());
+    cu.accept(new XQVisitor());
 
     TextEdit edits = cu.rewrite(doc, null);
     try {
@@ -99,7 +99,7 @@ public String doYourThing(String source,
   }
 
 
-  String prepareImports(List<ImportStatement> programImports) {
+  protected String prepareImports(List<ImportStatement> programImports) {
     this.extraImports = programImports;
 
     StringList imports = new StringList();
@@ -139,11 +139,8 @@ String prepareImports(List<ImportStatement> programImports) {
    * <LI>Converts doubles into floats, i.e. 12.3 becomes 12.3f so that people
    * don't have to add f after their numbers all the time since it's confusing
    * for beginners. Also, most functions of p5 core deal with floats only.
-   *
-   * @author Manindra Moharana
-   *
    */
-  private class XQASTVisitor extends ASTVisitor {
+  private class XQVisitor extends ASTVisitor {
     @SuppressWarnings({ "unchecked", "rawtypes" })
     public boolean visit(MethodDeclaration node) {
       if (node.getReturnType2() != null) {
 
@@ -101,7 +101,7 @@ X   https://github.com/processing/processing/issues/3608
 X "update all" button appears to do nothing in library manager
 X   https://github.com/processing/processing/issues/3837
 X   https://github.com/processing/processing/pull/3842
-_ All contributions listed after install button is clicked
+_ contributions filter is ignored after clicking Install
 _   https://github.com/processing/processing/issues/3826
 
 jakub
@@ -114,6 +114,10 @@ X   https://github.com/processing/processing/pull/3845
 X Red error underline is sometimes at wrong location
 X   https://github.com/processing/processing/issues/3759
 X   https://github.com/processing/processing/pull/3848
+X using "new color()" instead of "color()" results in "color type detected" 
+X   happens when user does 'new color' instead of 'color'
+X   https://github.com/processing/processing/issues/3739
+X   https://github.com/processing/processing/pull/3850
 
 
 known issues
@@ -554,11 +558,6 @@ _   http://i.msdn.microsoft.com/Aa511273.Confirmations03(en-us,MSDN.10).png
 
 PDE / Compiler & Preprocessor
 
-live error checker
-_ using "new color()" instead of "color()" results in "color type detected" 
-_   happens when user does 'new color' instead of 'color'
-_   https://github.com/processing/processing/issues/3739
-
 medium (bugs/features)
 _ preprocessor throws error when calling color() on a PGraphics
 _   https://github.com/processing/processing/issues/3762