Index: lucene/analysis/icu/build.xml
===================================================================
--- lucene/analysis/icu/build.xml	(revision 1506176)
+++ lucene/analysis/icu/build.xml	(working copy)
@@ -150,4 +150,6 @@
     </compile>
   </target>
 
+  <target name="regenerate" depends="gen-html-strip-charfilter-supp-macros,gen-uax29-supp-macros,gen-utr30-data-files,gennorm2"/>
+
 </project>
Index: lucene/analysis/icu/src/tools/java/org/apache/lucene/analysis/icu/GenerateJFlexSupplementaryMacros.java
===================================================================
--- lucene/analysis/icu/src/tools/java/org/apache/lucene/analysis/icu/GenerateJFlexSupplementaryMacros.java	(revision 1506176)
+++ lucene/analysis/icu/src/tools/java/org/apache/lucene/analysis/icu/GenerateJFlexSupplementaryMacros.java	(working copy)
@@ -74,8 +74,7 @@
   
   static void outputHeader() {
     System.out.print(APACHE_LICENSE);
-    System.out.print("// Generated using ICU4J " + VersionInfo.ICU_VERSION.toString() + " on ");
-    System.out.println(DATE_FORMAT.format(new Date()));
+    System.out.println("// Generated using ICU4J " + VersionInfo.ICU_VERSION.toString());
     System.out.println("// by " + GenerateJFlexSupplementaryMacros.class.getName());
     System.out.print(NL + NL);
   }
Index: lucene/analysis/icu/src/tools/java/org/apache/lucene/analysis/icu/GenerateHTMLStripCharFilterSupplementaryMacros.java
===================================================================
--- lucene/analysis/icu/src/tools/java/org/apache/lucene/analysis/icu/GenerateHTMLStripCharFilterSupplementaryMacros.java	(revision 1506176)
+++ lucene/analysis/icu/src/tools/java/org/apache/lucene/analysis/icu/GenerateHTMLStripCharFilterSupplementaryMacros.java	(working copy)
@@ -60,8 +60,7 @@
 
   static void outputHeader() {
     System.out.print(APACHE_LICENSE);
-    System.out.print("// Generated using ICU4J " + VersionInfo.ICU_VERSION.toString() + " on ");
-    System.out.println(DATE_FORMAT.format(new Date()));
+    System.out.println("// Generated using ICU4J " + VersionInfo.ICU_VERSION.toString());
     System.out.println("// by " + GenerateHTMLStripCharFilterSupplementaryMacros.class.getName());
     System.out.print(NL + NL);
   }
Index: lucene/analysis/icu/src/resources/org/apache/lucene/analysis/icu/utr30.nrm
===================================================================
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream
Index: lucene/analysis/common/src/java/org/apache/lucene/analysis/charfilter/HTMLStripCharFilter.SUPPLEMENTARY.jflex-macro
===================================================================
--- lucene/analysis/common/src/java/org/apache/lucene/analysis/charfilter/HTMLStripCharFilter.SUPPLEMENTARY.jflex-macro	(revision 1506176)
+++ lucene/analysis/common/src/java/org/apache/lucene/analysis/charfilter/HTMLStripCharFilter.SUPPLEMENTARY.jflex-macro	(working copy)
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-// Generated using ICU4J 49.1.0.0 on Sunday, July 15, 2012 5:42:00 AM UTC
+// Generated using ICU4J 49.1.0.0
 // by org.apache.lucene.analysis.icu.GenerateHTMLStripCharFilterSupplementaryMacros
 
 
Index: lucene/analysis/common/src/java/org/apache/lucene/analysis/charfilter/HTMLStripCharFilter.java
===================================================================
--- lucene/analysis/common/src/java/org/apache/lucene/analysis/charfilter/HTMLStripCharFilter.java	(revision 1506176)
+++ lucene/analysis/common/src/java/org/apache/lucene/analysis/charfilter/HTMLStripCharFilter.java	(working copy)
@@ -1,4 +1,4 @@
-/* The following code was generated by JFlex 1.5.0-SNAPSHOT on 9/19/12 6:24 PM */
+/* The following code was generated by JFlex 1.5.0-SNAPSHOT on 7/23/13 3:28 PM */
 
 package org.apache.lucene.analysis.charfilter;
 
@@ -40,8 +40,8 @@
 /**
  * This class is a scanner generated by 
  * <a href="http://www.jflex.de/">JFlex</a> 1.5.0-SNAPSHOT
- * on 9/19/12 6:24 PM from the specification file
- * <tt>C:/svn/lucene/dev/trunk/lucene/analysis/common/src/java/org/apache/lucene/analysis/charfilter/HTMLStripCharFilter.jflex</tt>
+ * on 7/23/13 3:28 PM from the specification file
+ * <tt>/l/trunk/lucene/analysis/common/src/java/org/apache/lucene/analysis/charfilter/HTMLStripCharFilter.jflex</tt>
  */
 public final class HTMLStripCharFilter extends BaseCharFilter {
 
Index: lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/SUPPLEMENTARY.jflex-macro
===================================================================
--- lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/SUPPLEMENTARY.jflex-macro	(revision 1506176)
+++ lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/SUPPLEMENTARY.jflex-macro	(working copy)
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-// Generated using ICU4J 49.1.0.0 on Wednesday, September 19, 2012 10:23:34 PM UTC
+// Generated using ICU4J 49.1.0.0
 // by org.apache.lucene.analysis.icu.GenerateJFlexSupplementaryMacros
 
 
Index: lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/UAX29URLEmailTokenizerImpl.java
===================================================================
--- lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/UAX29URLEmailTokenizerImpl.java	(revision 1506176)
+++ lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/UAX29URLEmailTokenizerImpl.java	(working copy)
@@ -1,4 +1,4 @@
-/* The following code was generated by JFlex 1.5.0-SNAPSHOT on 9/19/12 6:23 PM */
+/* The following code was generated by JFlex 1.5.0-SNAPSHOT on 7/23/13 3:28 PM */
 
 package org.apache.lucene.analysis.standard;
 
@@ -4033,7 +4033,6 @@
   
   public static final int URL_TYPE = UAX29URLEmailTokenizer.URL;
 
-  @Override
   public final int yychar()
   {
     return yychar;
@@ -4042,7 +4041,6 @@
   /**
    * Fills CharTermAttribute with the current token text.
    */
-  @Override
   public final void getText(CharTermAttribute t) {
     t.copyBuffer(zzBuffer, zzStartRead, zzMarkedPos-zzStartRead);
   }
@@ -4157,7 +4155,6 @@
    *
    * @param reader   the new input stream 
    */
-  @Override
   public final void yyreset(java.io.Reader reader) {
     zzReader = reader;
     zzAtBOL  = true;
@@ -4217,7 +4214,6 @@
   /**
    * Returns the length of the matched text region.
    */
-  @Override
   public final int yylength() {
     return zzMarkedPos-zzStartRead;
   }
@@ -4273,7 +4269,6 @@
    * @return      the next token
    * @exception   java.io.IOException  if any I/O-Error occurs
    */
-  @Override
   public int getNextToken() throws java.io.IOException {
     int zzInput;
     int zzAction;
Index: lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/ClassicTokenizerImpl.java
===================================================================
--- lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/ClassicTokenizerImpl.java	(revision 1506176)
+++ lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/ClassicTokenizerImpl.java	(working copy)
@@ -1,4 +1,4 @@
-/* The following code was generated by JFlex 1.5.0-SNAPSHOT on 9/19/12 6:23 PM */
+/* The following code was generated by JFlex 1.5.0-SNAPSHOT on 7/23/13 3:28 PM */
 
 package org.apache.lucene.analysis.standard;
 
@@ -33,8 +33,8 @@
 /**
  * This class is a scanner generated by 
  * <a href="http://www.jflex.de/">JFlex</a> 1.5.0-SNAPSHOT
- * on 9/19/12 6:23 PM from the specification file
- * <tt>C:/svn/lucene/dev/trunk/lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/ClassicTokenizerImpl.jflex</tt>
+ * on 7/23/13 3:28 PM from the specification file
+ * <tt>/l/trunk/lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/ClassicTokenizerImpl.jflex</tt>
  */
 class ClassicTokenizerImpl implements StandardTokenizerInterface {
 
@@ -359,7 +359,6 @@
 
 public static final String [] TOKEN_TYPES = StandardTokenizer.TOKEN_TYPES;
 
-@Override
 public final int yychar()
 {
     return yychar;
@@ -368,7 +367,6 @@
 /**
  * Fills CharTermAttribute with the current token text.
  */
-@Override
 public final void getText(CharTermAttribute t) {
   t.copyBuffer(zzBuffer, zzStartRead, zzMarkedPos-zzStartRead);
 }
@@ -484,7 +482,6 @@
    *
    * @param reader   the new input stream 
    */
-  @Override
   public final void yyreset(java.io.Reader reader) {
     zzReader = reader;
     zzAtBOL  = true;
@@ -544,7 +541,6 @@
   /**
    * Returns the length of the matched text region.
    */
-  @Override
   public final int yylength() {
     return zzMarkedPos-zzStartRead;
   }
@@ -600,7 +596,6 @@
    * @return      the next token
    * @exception   java.io.IOException  if any I/O-Error occurs
    */
-  @Override
   public int getNextToken() throws java.io.IOException {
     int zzInput;
     int zzAction;
Index: lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/StandardTokenizerImpl.java
===================================================================
--- lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/StandardTokenizerImpl.java	(revision 1506176)
+++ lucene/analysis/common/src/java/org/apache/lucene/analysis/standard/StandardTokenizerImpl.java	(working copy)
@@ -1,4 +1,4 @@
-/* The following code was generated by JFlex 1.5.0-SNAPSHOT on 9/19/12 6:23 PM */
+/* The following code was generated by JFlex 1.5.0-SNAPSHOT on 7/23/13 3:28 PM */
 
 package org.apache.lucene.analysis.standard;
 
@@ -843,7 +843,6 @@
   
   public static final int HANGUL_TYPE = StandardTokenizer.HANGUL;
 
-  @Override
   public final int yychar()
   {
     return yychar;
@@ -852,7 +851,6 @@
   /**
    * Fills CharTermAttribute with the current token text.
    */
-  @Override
   public final void getText(CharTermAttribute t) {
     t.copyBuffer(zzBuffer, zzStartRead, zzMarkedPos-zzStartRead);
   }
@@ -967,7 +965,6 @@
    *
    * @param reader   the new input stream 
    */
-  @Override
   public final void yyreset(java.io.Reader reader) {
     zzReader = reader;
     zzAtBOL  = true;
@@ -1027,7 +1024,6 @@
   /**
    * Returns the length of the matched text region.
    */
-  @Override
   public final int yylength() {
     return zzMarkedPos-zzStartRead;
   }
@@ -1083,7 +1079,6 @@
    * @return      the next token
    * @exception   java.io.IOException  if any I/O-Error occurs
    */
-  @Override
   public int getNextToken() throws java.io.IOException {
     int zzInput;
     int zzAction;
Index: lucene/analysis/common/src/java/org/apache/lucene/analysis/wikipedia/WikipediaTokenizerImpl.java
===================================================================
--- lucene/analysis/common/src/java/org/apache/lucene/analysis/wikipedia/WikipediaTokenizerImpl.java	(revision 1506176)
+++ lucene/analysis/common/src/java/org/apache/lucene/analysis/wikipedia/WikipediaTokenizerImpl.java	(working copy)
@@ -1,4 +1,4 @@
-/* The following code was generated by JFlex 1.5.0-SNAPSHOT on 9/19/12 6:23 PM */
+/* The following code was generated by JFlex 1.5.0-SNAPSHOT on 7/23/13 3:28 PM */
 
 package org.apache.lucene.analysis.wikipedia;
 
@@ -25,8 +25,8 @@
 /**
  * This class is a scanner generated by 
  * <a href="http://www.jflex.de/">JFlex</a> 1.5.0-SNAPSHOT
- * on 9/19/12 6:23 PM from the specification file
- * <tt>C:/svn/lucene/dev/trunk/lucene/analysis/common/src/java/org/apache/lucene/analysis/wikipedia/WikipediaTokenizerImpl.jflex</tt>
+ * on 7/23/13 3:28 PM from the specification file
+ * <tt>/l/trunk/lucene/analysis/common/src/java/org/apache/lucene/analysis/wikipedia/WikipediaTokenizerImpl.jflex</tt>
  */
 class WikipediaTokenizerImpl {
 
Index: lucene/analysis/common/build.xml
===================================================================
--- lucene/analysis/common/build.xml	(revision 1506176)
+++ lucene/analysis/common/build.xml	(working copy)
@@ -143,4 +143,6 @@
   </target>
 
   <target name="javadocs" depends="module-build.javadocs"/>
+
+  <target name="regenerate" depends="jflex"/>
 </project>
Index: lucene/analysis/build.xml
===================================================================
--- lucene/analysis/build.xml	(revision 1506176)
+++ lucene/analysis/build.xml	(working copy)
@@ -134,5 +134,9 @@
   <target name="-ecj-javadoc-lint">
     <forall-analyzers target="-ecj-javadoc-lint"/>
   </target>
+
+  <target name="regenerate">
+    <forall-analyzers target="regenerate"/>
+  </target>
 	
 </project>
Index: lucene/analysis/kuromoji/build.xml
===================================================================
--- lucene/analysis/kuromoji/build.xml	(revision 1506176)
+++ lucene/analysis/kuromoji/build.xml	(working copy)
@@ -139,4 +139,6 @@
   <!-- TODO: not until we properly make 'test-tools' work with clover etc
   <target name="test" depends="module-build.test, test-tools"/> -->
 
+  <target name="regenerate" depends="build-dict"/>
+
 </project>
Index: lucene/analysis/kuromoji/src/resources/org/apache/lucene/analysis/ja/dict/TokenInfoDictionary$fst.dat
===================================================================
Cannot display: file marked as a binary type.
svn:mime-type = application/octet-stream
Index: lucene/core/build.xml
===================================================================
--- lucene/core/build.xml	(revision 1506176)
+++ lucene/core/build.xml	(working copy)
@@ -141,4 +141,7 @@
       <arg value="${moman.rev}"/>
     </exec>
   </target>
+
+  <target name="regenerate" depends="createLevAutomata,createPackedIntSources"/>
+
 </project>
Index: lucene/build.xml
===================================================================
--- lucene/build.xml	(revision 1506176)
+++ lucene/build.xml	(working copy)
@@ -610,4 +610,8 @@
     <jar-checksum-macro srcdir="${common.dir}" dstdir="${common.dir}/licenses"/>
   </target>
 
+  <target name="regenerate">
+    <modules-crawl target="regenerate"/>
+  </target>
+
 </project>
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/CharStream.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/CharStream.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/CharStream.java	(working copy)
@@ -112,4 +112,4 @@
   void Done();
 
 }
-/* JavaCC - OriginalChecksum=c95f1720d9b38046dc5d294b741c44cb (do not edit this line) */
+/* JavaCC - OriginalChecksum=53b2ec7502d50e2290e86187a6c01270 (do not edit this line) */
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/ParseException.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/ParseException.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/ParseException.java	(working copy)
@@ -187,4 +187,4 @@
    }
 
 }
-/* JavaCC - OriginalChecksum=81401c29cf6f9909761c636b4778ccc0 (do not edit this line) */
+/* JavaCC - OriginalChecksum=4263a02db9988d7a863aa97ad2f6dc67 (do not edit this line) */
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/TokenMgrError.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/TokenMgrError.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/TokenMgrError.java	(working copy)
@@ -144,4 +144,4 @@
     this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
   }
 }
-/* JavaCC - OriginalChecksum=3ca7fbf7de9f2424b131a5499b0a78d0 (do not edit this line) */
+/* JavaCC - OriginalChecksum=be88283d82a985d82a34dda46bcf42d5 (do not edit this line) */
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/Token.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/Token.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/flexible/standard/parser/Token.java	(working copy)
@@ -128,4 +128,4 @@
   }
 
 }
-/* JavaCC - OriginalChecksum=30bbd23e0dec26f141130dc62a4f6e9d (do not edit this line) */
+/* JavaCC - OriginalChecksum=ea8b1e55950603be28e2f63dcd544ab4 (do not edit this line) */
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/Token.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/Token.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/Token.java	(working copy)
@@ -128,4 +128,4 @@
   }
 
 }
-/* JavaCC - OriginalChecksum=c1e1418b35aa9e47ef8dc98b87423d70 (do not edit this line) */
+/* JavaCC - OriginalChecksum=405bb5d2fcd84e94ac1c8f0b12c1f914 (do not edit this line) */
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/CharStream.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/CharStream.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/CharStream.java	(working copy)
@@ -112,4 +112,4 @@
   void Done();
 
 }
-/* JavaCC - OriginalChecksum=c847dd1920bf7901125a7244125682ad (do not edit this line) */
+/* JavaCC - OriginalChecksum=30b94cad7b10d0d81e3a59a1083939d0 (do not edit this line) */
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/ParseException.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/ParseException.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/ParseException.java	(working copy)
@@ -184,4 +184,4 @@
    }
 
 }
-/* JavaCC - OriginalChecksum=61602edcb3a15810cbc58f5593eba40d (do not edit this line) */
+/* JavaCC - OriginalChecksum=b187d97d5bb75c3fc63d642c1c26ac6e (do not edit this line) */
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/TokenMgrError.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/TokenMgrError.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/classic/TokenMgrError.java	(working copy)
@@ -144,4 +144,4 @@
     this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
   }
 }
-/* JavaCC - OriginalChecksum=0c275864a1972d9a01601ab81426872d (do not edit this line) */
+/* JavaCC - OriginalChecksum=f433e1a52b8eadbf12f3fbbbf87fd140 (do not edit this line) */
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/Token.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/Token.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/Token.java	(working copy)
@@ -128,4 +128,4 @@
   }
 
 }
-/* JavaCC - OriginalChecksum=db38f23b3674db52ff034369707a0ac3 (do not edit this line) */
+/* JavaCC - OriginalChecksum=f2df701e24da1cf2d025118ce6efdd2f (do not edit this line) */
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/CharStream.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/CharStream.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/CharStream.java	(working copy)
@@ -112,4 +112,4 @@
   void Done();
 
 }
-/* JavaCC - OriginalChecksum=5ca20c9145f29a0f8909470a7f949fe4 (do not edit this line) */
+/* JavaCC - OriginalChecksum=242ae59b965491e225a44534cbc73b42 (do not edit this line) */
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/ParseException.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/ParseException.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/ParseException.java	(working copy)
@@ -184,4 +184,4 @@
    }
 
 }
-/* JavaCC - OriginalChecksum=be6f55e3bf157e8c96b4c06cca5ec81b (do not edit this line) */
+/* JavaCC - OriginalChecksum=bd8163f41bf2fd1bb00f025fce3dcaaf (do not edit this line) */
Index: lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/TokenMgrError.java
===================================================================
--- lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/TokenMgrError.java	(revision 1506176)
+++ lucene/queryparser/src/java/org/apache/lucene/queryparser/surround/parser/TokenMgrError.java	(working copy)
@@ -144,4 +144,4 @@
     this(LexicalError(EOFSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
   }
 }
-/* JavaCC - OriginalChecksum=dcdd5ccde13b91bcd8f76a86ca618852 (do not edit this line) */
+/* JavaCC - OriginalChecksum=8c69a370d9a9893140562c8bb911678c (do not edit this line) */
Index: lucene/queryparser/build.xml
===================================================================
--- lucene/queryparser/build.xml	(revision 1506176)
+++ lucene/queryparser/build.xml	(working copy)
@@ -152,4 +152,6 @@
     </sequential>
   </macrodef>
 
+  <target name="regenerate" depends="javacc"/>
+
 </project>
Index: build.xml
===================================================================
--- build.xml	(revision 1506176)
+++ build.xml	(working copy)
@@ -33,7 +33,7 @@
   <property name="tests.heap-dump-dir" location="heapdumps"/>
   
   <target name="precommit" description="Run basic checks before committing"
-          depends="check-svn-working-copy,validate,documentation-lint"/>
+          depends="regenerate,check-svn-working-copy,validate,documentation-lint"/>
 
   <target name="test" description="Test both Lucene and Solr">
     <subant target="test" inheritall="false" failonerror="true">
@@ -423,4 +423,12 @@
     </antcall>
   </target>
   
+  <target name="regenerate" description="Run all code generators">
+    <subant target="regenerate" inheritall="false" failonerror="false">
+      <fileset dir="lucene" includes="build.xml" />
+      <!-- todo:
+      <fileset dir="solr" includes="build.xml" />-->
+    </subant>
+  </target>
+
 </project>