???? 2003 - 1.3:
Fixed bug 782246 - FinalFieldCouldBeStatic no longer flags fields in interfaces.
Fixed bug 782235 - "ant -version" now prints more details when a file errors out.
Fixed bug 779874 - LooseCouplingRule no longer triggers on ArrayList
Fixed bug 781393 - VariableNameDeclaration no longer throws ClassCastExpression since ASTLocalVariableDeclaration now subclasses AccessNode
Fixed bug 797243 - CPD XML report can no longer contain ]]> (CDEnd)
Fixed bug - Specifying a non-existing rule format on the command line no longer results in a ClassNotFoundException.
XPath rules may now include pluggable parameters.  This feature is very limited.  For now.
Tweaked CPD time display field
Made CPD text fields uneditable
Added more error checking to CPD GUI input
Added "dialog cancelled" check to CPD "Save" function
ASTType now has an isArray() method.
TODO - fix it so tests and rules don't duplicate the xpath expressions

August 1, 2003 - 1.2.1:
Fixed bug 781077 - line number "-1" no longer appears for nodes with siblings.

July 30, 2003 - 1.2:
Added new rules: VariableNamingConventionsRule, MethodNamingConventionsRule, ClassNamingConventionsRule, AvoidCatchingThrowable, ExceptionSignatureDeclaration, ExceptionTypeChecking, BooleanInstantiation
Fixed bug 583047 - ASTName column numbers are now correct
Fixed bug 761048 - Symbol table now creates a scope level for anonymous inner classes
Fixed bug 763529 - AccessorClassGenerationRule no longer crashes when given a final inner class
Fixed bug 771943 - AtLeastOneConstructorRule and UnnecessaryConstructorRule no longer reports false positives on inner classes.
Applied patch from Chris Webster to fix another UnnecessaryConstructorRule problem.
Added ability to accept a comma-delimited string of files and directories on the command line.
Added a CSVRenderer.
Added a "-shortfilenames" argument to the PMD command line interface.
Modified grammer to provide information on whether an initializer block is static.
ASTViewer now shows node images and modifiers
ASTViewer now saves last edited text to ~/.pmd_astviewer
Moved the PMD Swing UI into a separate module - pmd-swingui.
Updated license.txt to point to new location.

June 19, 2003 - 1.1:
Added new rules: FinalizeShouldBeProtected, FinalFieldCouldBeStatic, BeanMembersShouldSerializeRule
Removed "verbose" attribute from PMD and CPD Ant tasks; now they use built in logging so you can do a "ant -verbose cpd" or "ant -verbose pmd".  Thanks to Philippe T'Seyen for the code.
Added "excludes" feature to rulesets; thanks to Gael Marziou for the suggestion.
Removed "LinkedList" from LooseCouplingRule checks; thx to Randall Schulz for the suggestion.
CPD now processes PHP code.
Added VBHTMLRenderer; thanks to Vladimir Bossicard for the code.
Added "Save" item to CPD GUI; thanks to mcclain looney for the patch.
Fixed bug 732592 - Ant task now accepts a nested classpath element.
Fixed bug 744915 - UseSingletonRule no longer fires on abstract classes, thanks to Pablo Casado for the bug report.
Fixed bugs 735396 and 735399 - false positives from ConstructorCallsOverridableMethodRule
Fixed bug 752809 - UnusedPrivateMethodRule now catches unused private static methods, thanks to Conrad Roche for the bug report.

April 17, 2003 - 1.05:
Added new rules: ReturnFromFinallyBlock, SimplifyBooleanExpressions
Added a new Ant task for CPD; thanks to Andy Glover for the code.
Added ability to specify a class name as a renderer on the command line or in the formatter "type" attribute of the Ant task.
Brian Ewins completely rewrote CPD using a portion of the Burrows-Wheeler Transform - it's much, much, much faster now.
Rebuilt parser with JavaCC 3.0; made several parser optimizations.
The Ant task now accepts a <classpath> element to aid in loading custom rulesets.  Thanks to Luke Francl for the suggestion.
Fixed several bugs in UnnecessaryConstructorRule; thanks to Adam Nemeth for the reports and fixes.
All test-data classes have been inlined into their respective JUnit tests.

March 21, 2003 - 1.04
Added new rules: ConstructorCallsOverridableMethodRule, AtLeastOneConstructorRule, JUnitAssertionsShouldIncludeMessageRule, DoubleCheckedLockingRule, ExcessivePublicCountRule, AccessorClassGenerationRule
The Ant task has been updated; if you set "verbose=true" full stacktraces are printed.  Thx to Paul Roebuck for the suggestion.
Moved JUnit rules into their own package - "net.sourceforge.pmd.rules.junit".
Incorporated new ResourceLoader; thanks to Dave Fuller
Incorporated new XPath-based rule definitions; thanks to Dan Sheppard for the excellent work.
Fixed bug 697187 - Problem with nested ifs
Fixed bug 699287 - Grammar bug; good catch by David Whitmore

February 11, 2003 - 1.03
Added new rules: CyclomaticComplexityRule, AssignmentInOperandRule
Added numbering to the HTMLRenderer; thx to Luke Francl for the code.
Added an optional Ant task attribute 'failOnRuleViolation'.  This stops the build if any rule violations are found.
Added an XSLT script for processing the PMD XML report; thx to Mats for the code.
The Ant task now determines whether the formatter toFile attribute is absolute or relative and routes the report appropriately.
Moved several rules into a new "controversial" ruleset.
Fixed bug 672742 - grammar typo was hosing up ASTConstructorDeclaration which was hosing up UseSingletonRule
Fixed bug 674393 - OnlyOneReturn rule no longer counts returns that are inside anonymous inner classes as being inside the containing method.  Thx to C. Lamont Gilbert for the bug report.
Fixed bug 674420 - AvoidReassigningParametersRule no longer counts parameter field reassignment as a violation.  Thx to C. Lamont Gilbert for the bug report.
Fixed bug 673662 - The Ant task's "failOnError" attribute works again.  Changed the semantics of this attribute, though, so it fails the build if errors occurred.  A new attribute 'failOnRuleViolation' serves the purpose of stopping the build if rule violations are found.
Fixed bug 676340 - Symbol table now creates new scope level when it encounters a switch statement.  See the bug for code details; generally, this bug would have triggered runtime exceptions on certain blocks of code.
Fixed bug 683465 - JavaCC parser no longer has ability to throw java.lang.Error; now it only throws java.lang.RuntimeExceptions.  Thx to Gunnlaugur Thor Briem for a good discussion on this topic.
Fixed bug in OverrideBothEqualsAndHashcodeRule - it no longer bails out with a NullPtrException on interfaces that declare a method signature "equals(Object)".  Thx to Don Leckie for catching that.

January 22, 2003 - 1.02:
Added new rules: ImportFromSamePackageRule, SwitchDensityRule, NullAssignmentRule, UnusedModifierRule, ForLoopShouldBeWhileLoopRule
Updated LooseCouplingRule to check for usage of Vector; thx to Vladimir for the good catch.
Updated AvoidDuplicateLiteralsRule to report the line number of the first occurrence of the duplicate String.
Modified Ant task to use a formatter element; this lets you render a report in several formats without having to rerun PMD.
Added a new Ant task attribute - shortFilenames.
Modified Ant task to ignore whitespace in the ruleset attribute
Added rule priority settings.
Added alternate row colorization to HTML renderer.
Fixed bug 650623 - the Ant task now uses relative directories for the report file
Fixed bug 656944 - PMD no longer prints errors to System.out, instead it just rethrows any exceptions
Fixed bug 660069 - this was a symbol table bug; thanks to mcclain looney for the report.
Fixed bug 668119 - OverrideBothEqualsAndHashcodeRule now checks the signature on equals(); thanks to mcclain looney for the report.

November 07 2002 - 1.01:
Fixed bug 633879: EmptyFinallyBlockRule now handles multiple catch blocks followed by a finally block.
Fixed bug 633892: StringToStringRule false positive exposed problem in symbol table usage to declaration code.
Fixed bug 617971: Statistical rules no longer produce tons of false positives due to accumulated results.
Fixed bug 633209: OnlyOneReturn rule no longer requires the return stmt to be the last statement.
Enhanced EmptyCatchBlockRule to flag multiple consecutive empty catch blocks.
Renamed AvoidStringLiteralsRule to AvoidDuplicateLiteralsRule.
Modified Ant task to truncate file paths to make the HTML output neater.

November 04 2002 - 1.0:
Added new rules: StringToStringRule, AvoidReassigningParametersRule, UnnecessaryConstructorRule, AvoidStringLiteralsRule
Fixed bug 631010: AvoidDeeplyNestedIfStmtsRule works correctly with if..else stmts now
Fixed bug 631605: OnlyOneReturn handles line spillover now.
Moved AvoidDeeplyNestedIfStmts from the braces ruleset to the design ruleset.
Moved several rules from the design ruleset to the codesize ruleset.
Added a new "favorites" ruleset.

October 04 2002 - 1.0rc3:
Added new rules: OnlyOneReturnRule, JumbledIncrementerRule, AvoidDeeplyNestedIfStmtsRule
PMD is now built and tested with JUnit 3.8.1 and Ant 1.5.
Added support for IntelliJ's IDEAJ.
Fixed bug 610018 - StringInstantiationRule now allows for String(byte[], int, int) usage.
Fixed bug 610693 - UnusedPrivateInstanceVariable handles parameter shadowing better.
Fixed bug 616535 - Command line interface input checking is better now.
Fixed bug 616615 - Command line interface allows the text renderer to be used now
Fixed a bug - the statistics rules now handle interfaces better.

September 12 2002 - 1.0rc2:
Added new rules: JUnitSpellingRule, JUnitStaticSuiteRule, StringInstantiationRule
Added new rulesets - junit, strings.
Added a printToConsole attribute to the Ant task so that you can see the report right there in the Ant output.
Fixed bug in PMD GUI - rules are now saved correctly.
Fixed bug 597916 - CPD line counts are accurate now.

September 09 2002 - 1.0rc1:
Added new rules: UnusedImportsRule, EmptySwitchStmtRule, SwitchStmtsShouldHaveDefaultRule, IfStmtsMustUseBracesRule
Fixed bug 597813 - Rule properties are now parsed correctly
Fixed bug 597905 - UseSingletonRule now resets its state correctly
Moved several rules into a new ruleset - braces.
Improved CPD by removing import statements and package statements from the token set.
Added Metrics API to the Report.
Updated PMD GUI.

August 16 2002 - 0.9:
Added new rules: LongParameterListRule, SimplifyBooleanReturnsRule
Enhanced statistics rules to support various ways of triggering rule violations
Added rule customization via XML parameters
Enhanced CopyAndPasteDetector; added a GUI
Fixed bug 592060 - UnusedPrivateInstanceVariable handles explicitly referenced statics correctly
Fixed bug 593849 - UnusedPrivateInstanceVariable handles nested classes better

July 30 2002 - 0.8:
Added new rule: UnusedFormalParameterRule
Fixed bug 588083 - ForLoopsNeedBraces rule correctly handles a variety of for statement formats
Added prototype of the copy and paste detector

July 25 2002 - 0.7:
Added new rules: UnusedPrivateMethodRule, WhileLoopsMustUseBracesRule, ForLoopsMustUseBracesRule, LooseCouplingRule
Fixed bug 583482 - EmptyCatchBlock and EmptyFinallyBlock no longer report an incorrect line number.

July 18 2002 - 0.6:
Added new rules: ExcessiveClassLength, ExcessiveMethodLength
DuplicateImportsRule now reports the correct line number.
Fixed bug 582639 - Rule violations are now reported on the proper line
Fixed bug 582509 - Removed unneeded throws clause
Fixed bug 583009 - Now rulesets.properties is in the jar file

July 15 2002 - 0.5:
Added new rules: DontImportJavaLangRule, DuplicateImportsRule
Added new ruleset: rulesets/imports.xml
Changed sorting of RuleViolations to group Files together.
Changed XML Renderer to improved format.
Created DVSL Stylesheet for the new format.
Moved the Cougaar rules out of the PMD core.
Fixed bug 580093 - OverrideBothEqualsAndHashcodeRule reports a more correct line number.
Fixed bug 581853 - UnusedLocalVariableRule now handles anonymous inner classes correctly.
Fixed bug 580278 - this was a side effect of bug 581853.
Fixed bug 580123 - UnusedPrivateInstanceVariable now checks for instance variable usage in inner classes.

July 10 2002 - 0.4:
Added new rules: OverrideBothEqualsAndHashcodeRule, EmptyTryBlock, EmptyFinallyBlock
Reports are now sorted by line number
RuleSets can now reference rules in other RuleSets
Fixed bug 579718 - made 'ruleset not found' error message clearer.

July 03 2002 - 0.3:
Added new rules: UseSingletonRule, ShortVariableRule, LongVariableRule, ShortMethodNameRule
Moved rules into RuleSets which are defined in XML files in the ruleset directory
Ant task:
-Added a 'failonerror' attribute
-Changed 'rulesettype' to 'rulesetfiles'
-Removed 'text' report format; only 'html' and 'xml' are available now

June 27 2002 - 0.2:
Added new rules: IfElseStmtsMustUseBracesRule, EmptyWhileStmtRule
Modified command line interface to accept a rule set
Fixed bug in EmptyCatchBlockRule
Fixed typo in UnnecessaryConversionTemporaryRule
Moved Ant task to the net.sourceforge.pmd.ant package
Added new HTML report format

June 25 2002 - 0.1:
Initial release