From 9077669a87fe1af1115e72972328ffc023f22010 Mon Sep 17 00:00:00 2001
From: "Travis CI (pmd-bot)" <andreas.dangel+pmd-bot@adangel.org>
Date: Sat, 7 Sep 2019 15:14:16 +0000
Subject: [PATCH] Update documentation

TRAVIS_JOB_NUMBER=4155.2
TRAVIS_COMMIT_RANGE=f449cc72e394...5ba724d221bf
---
 404.html                                      |    2 +-
 feed.xml                                      |    4 +-
 index.html                                    |   39 +-
 js/mydoc_scroll.html                          |    2 +-
 license.html                                  |    2 +-
 news.html                                     |    2 +-
 news_archive.html                             |    2 +-
 pmd_about_help.html                           |    2 +-
 pmd_apex_metrics_index.html                   |    2 +-
 pmd_devdocs_building.html                     |    2 +-
 pmd_devdocs_development.html                  |    2 +-
 pmd_devdocs_how_pmd_works.html                |    2 +-
 ...devdocs_major_adding_new_cpd_language.html |    2 +-
 pmd_devdocs_major_adding_new_language.html    |    2 +-
 ...cs_major_adding_new_metrics_framework.html |    2 +-
 pmd_devdocs_pmdtester.html                    |    2 +-
 pmd_devdocs_roadmap.html                      |    2 +-
 pmd_devdocs_writing_documentation.html        |    2 +-
 pmd_java_metrics_index.html                   |    2 +-
 pmd_languages_jsp.html                        |    2 +-
 pmd_next_major_development.html               |    2 +-
 ...docs_committers_merging_pull_requests.html |    2 +-
 pmd_projectdocs_committers_releasing.html     |    2 +-
 pmd_projectdocs_credits.html                  |    2 +-
 pmd_projectdocs_faq.html                      |    2 +-
 pmd_projectdocs_trivia_meaning.html           |    2 +-
 pmd_projectdocs_trivia_news.html              |    2 +-
 pmd_projectdocs_trivia_products.html          |    2 +-
 pmd_projectdocs_trivia_similarprojects.html   |    2 +-
 pmd_release_notes.html                        |   14 +-
 pmd_release_notes_old.html                    |    2 +-
 pmd_rules_apex.html                           |    2 +-
 pmd_rules_apex_bestpractices.html             |    2 +-
 pmd_rules_apex_codestyle.html                 |    2 +-
 pmd_rules_apex_design.html                    |    2 +-
 pmd_rules_apex_documentation.html             |    2 +-
 pmd_rules_apex_errorprone.html                |    2 +-
 pmd_rules_apex_performance.html               |    2 +-
 pmd_rules_apex_security.html                  |    2 +-
 pmd_rules_ecmascript.html                     |    2 +-
 pmd_rules_ecmascript_bestpractices.html       |    2 +-
 pmd_rules_ecmascript_codestyle.html           |    2 +-
 pmd_rules_ecmascript_errorprone.html          |    2 +-
 pmd_rules_java.html                           |    2 +-
 pmd_rules_java_bestpractices.html             |    2 +-
 pmd_rules_java_codestyle.html                 |    2 +-
 pmd_rules_java_design.html                    |    2 +-
 pmd_rules_java_documentation.html             |    2 +-
 pmd_rules_java_errorprone.html                |    2 +-
 pmd_rules_java_multithreading.html            |    2 +-
 pmd_rules_java_performance.html               |    2 +-
 pmd_rules_java_security.html                  |    2 +-
 pmd_rules_jsp.html                            |    2 +-
 pmd_rules_jsp_bestpractices.html              |    2 +-
 pmd_rules_jsp_codestyle.html                  |    2 +-
 pmd_rules_jsp_design.html                     |    2 +-
 pmd_rules_jsp_errorprone.html                 |    2 +-
 pmd_rules_jsp_security.html                   |    2 +-
 pmd_rules_plsql.html                          |    2 +-
 pmd_rules_plsql_bestpractices.html            |    2 +-
 pmd_rules_plsql_codestyle.html                |    2 +-
 pmd_rules_plsql_design.html                   |    2 +-
 pmd_rules_plsql_errorprone.html               |    2 +-
 pmd_rules_pom.html                            |    2 +-
 pmd_rules_pom_errorprone.html                 |    2 +-
 pmd_rules_scala.html                          | 1334 +++++++++++++++++
 pmd_rules_vf.html                             |    2 +-
 pmd_rules_vf_security.html                    |    2 +-
 pmd_rules_vm.html                             |    2 +-
 pmd_rules_vm_bestpractices.html               |    2 +-
 pmd_rules_vm_design.html                      |    2 +-
 pmd_rules_vm_errorprone.html                  |    2 +-
 pmd_rules_xml.html                            |    2 +-
 pmd_rules_xml_errorprone.html                 |    2 +-
 pmd_rules_xsl.html                            |    2 +-
 pmd_rules_xsl_codestyle.html                  |    2 +-
 pmd_rules_xsl_performance.html                |    2 +-
 pmd_userdocs_best_practices.html              |    2 +-
 pmd_userdocs_cli_reference.html               |    3 +-
 pmd_userdocs_configuring_rules.html           |    2 +-
 pmd_userdocs_cpd.html                         |    2 +-
 ...serdocs_extending_defining_properties.html |    2 +-
 ...userdocs_extending_designer_reference.html |    2 +-
 pmd_userdocs_extending_metrics_howto.html     |    2 +-
 pmd_userdocs_extending_rule_guidelines.html   |    2 +-
 pmd_userdocs_extending_testing.html           |    2 +-
 pmd_userdocs_extending_writing_pmd_rules.html |    2 +-
 ...serdocs_extending_writing_xpath_rules.html |    2 +-
 pmd_userdocs_incremental_analysis.html        |    2 +-
 pmd_userdocs_installation.html                |    2 +-
 pmd_userdocs_making_rulesets.html             |    2 +-
 pmd_userdocs_suppressing_warnings.html        |    2 +-
 pmd_userdocs_tools.html                       |    2 +-
 pmd_userdocs_tools_ant.html                   |    2 +-
 pmd_userdocs_tools_ci.html                    |    2 +-
 pmd_userdocs_tools_maven.html                 |    2 +-
 search.json                                   |   16 +
 sitemap.xml                                   |    6 +
 tag_devdocs.html                              |    8 +-
 tag_extending.html                            |    8 +-
 tag_getting_started.html                      |    8 +-
 tag_languages.html                            |    8 +-
 tag_metrics.html                              |    8 +-
 tag_release_notes.html                        |    8 +-
 tag_rule_references.html                      |   14 +-
 tag_tools.html                                |    8 +-
 tag_troubleshooting.html                      |    8 +-
 tag_userdocs.html                             |    8 +-
 titlepage/index.html                          |    4 +-
 tocpage/index.html                            |    2 +-
 110 files changed, 1580 insertions(+), 110 deletions(-)
 create mode 100644 pmd_rules_scala.html

diff --git a/404.html b/404.html
index b8c09a1953..70454f2744 100644
--- a/404.html
+++ b/404.html
@@ -1303,7 +1303,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/feed.xml b/feed.xml
index da987111c6..c5bf14c2cf 100644
--- a/feed.xml
+++ b/feed.xml
@@ -5,8 +5,8 @@
         <description>Intended as a documentation theme based on Jekyll for technical writers documenting software and other technical products, this theme has all the elements you would need to handle multiple products with both multi-level sidebar navigation, tags, and other documentation features.</description>
         <link>https://pmd.github.io/pmd/</link>
         <atom:link href="https://pmd.github.io/pmd/feed.xml" rel="self" type="application/rss+xml"/>
-        <pubDate>Fri, 06 Sep 2019 15:39:01 +0000</pubDate>
-        <lastBuildDate>Fri, 06 Sep 2019 15:39:01 +0000</lastBuildDate>
+        <pubDate>Sat, 07 Sep 2019 15:13:09 +0000</pubDate>
+        <lastBuildDate>Sat, 07 Sep 2019 15:13:09 +0000</lastBuildDate>
         <generator>Jekyll v3.7.4</generator>
         
     </channel>
diff --git a/index.html b/index.html
index 8d640f583b..ad9f751146 100644
--- a/index.html
+++ b/index.html
@@ -1955,6 +1955,11 @@ you may also use the search bar in the top right, or the sidebar on the left.</p
                     
 
                     
+                
+                    
+                    
+
+                    
                 
                     
                     
@@ -2516,6 +2521,13 @@ you may also use the search bar in the top right, or the sidebar on the left.</p
                     
 
                     
+                        <li><a href="pmd_rules_scala.html">Scala</a></li>
+                    
+                
+                    
+                    
+
+                    
                 
                     
                     
@@ -3203,6 +3215,11 @@ you may also use the search bar in the top right, or the sidebar on the left.</p
                     
 
                     
+                
+                    
+                    
+
+                    
                 
                     
                     
@@ -3829,6 +3846,11 @@ you may also use the search bar in the top right, or the sidebar on the left.</p
                     
 
                     
+                
+                    
+                    
+
+                    
                 
                     
                     
@@ -4452,6 +4474,11 @@ you may also use the search bar in the top right, or the sidebar on the left.</p
                     
 
                     
+                
+                    
+                    
+
+                    
                 
                     
                     
@@ -5065,6 +5092,11 @@ you may also use the search bar in the top right, or the sidebar on the left.</p
                     
 
                     
+                
+                    
+                    
+
+                    
                 
                     
                     
@@ -5674,6 +5706,11 @@ you may also use the search bar in the top right, or the sidebar on the left.</p
                     
 
                     
+                
+                    
+                    
+
+                    
                 
                     
                     
@@ -5851,7 +5888,7 @@ $('#filter a').click(function (e) {
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> August 2017<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> August 2017<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/js/mydoc_scroll.html b/js/mydoc_scroll.html
index fb238abe17..37222f292f 100644
--- a/js/mydoc_scroll.html
+++ b/js/mydoc_scroll.html
@@ -1537,7 +1537,7 @@ $('#small-box-links').localScroll({
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> November 30, 2015<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> November 30, 2015<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/license.html b/license.html
index 3bb377fe9c..dcf40c009a 100644
--- a/license.html
+++ b/license.html
@@ -1547,7 +1547,7 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/news.html b/news.html
index a86459f0e8..c022f4905a 100644
--- a/news.html
+++ b/news.html
@@ -1298,7 +1298,7 @@
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/news_archive.html b/news_archive.html
index de29dd9336..fc5659af57 100644
--- a/news_archive.html
+++ b/news_archive.html
@@ -1299,7 +1299,7 @@
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_about_help.html b/pmd_about_help.html
index ec24bb390c..65aa003807 100644
--- a/pmd_about_help.html
+++ b/pmd_about_help.html
@@ -1323,7 +1323,7 @@ through the archives (<a href="http://java-pmd.30631.n5.nabble.com/">archive1</a
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> September 2017<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> September 2017<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_apex_metrics_index.html b/pmd_apex_metrics_index.html
index 6f68d35a8a..a1bd51a234 100644
--- a/pmd_apex_metrics_index.html
+++ b/pmd_apex_metrics_index.html
@@ -1377,7 +1377,7 @@ flow statement.</li>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> July 20, 2017<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> July 20, 2017<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_devdocs_building.html b/pmd_devdocs_building.html
index 2323950953..1990bc7ba3 100644
--- a/pmd_devdocs_building.html
+++ b/pmd_devdocs_building.html
@@ -1393,7 +1393,7 @@ please post <a href="http://sourceforge.net/p/pmd/discussion/188192">here</a> an
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_devdocs_development.html b/pmd_devdocs_development.html
index 29dd44b138..640ca124ba 100644
--- a/pmd_devdocs_development.html
+++ b/pmd_devdocs_development.html
@@ -1341,7 +1341,7 @@ every push. Each pull request is built as well.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> August 2017<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> August 2017<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_devdocs_how_pmd_works.html b/pmd_devdocs_how_pmd_works.html
index b656bf24df..b691d00821 100644
--- a/pmd_devdocs_how_pmd_works.html
+++ b/pmd_devdocs_how_pmd_works.html
@@ -1357,7 +1357,7 @@ type resolution information and DFA nodes.</li>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> September 2017<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> September 2017<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_devdocs_major_adding_new_cpd_language.html b/pmd_devdocs_major_adding_new_cpd_language.html
index f9b2468faa..087d2fd109 100644
--- a/pmd_devdocs_major_adding_new_cpd_language.html
+++ b/pmd_devdocs_major_adding_new_cpd_language.html
@@ -1387,7 +1387,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> March 18, 2019 (6.13.0)<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> March 18, 2019 (6.13.0)<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_devdocs_major_adding_new_language.html b/pmd_devdocs_major_adding_new_language.html
index b3fe90e013..6a8d7d4ec5 100644
--- a/pmd_devdocs_major_adding_new_language.html
+++ b/pmd_devdocs_major_adding_new_language.html
@@ -1436,7 +1436,7 @@ This will load all rulesets and verify, that all required attributes are provide
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> July 3, 2016<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> July 3, 2016<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_devdocs_major_adding_new_metrics_framework.html b/pmd_devdocs_major_adding_new_metrics_framework.html
index 9f115efe66..9b12f517ff 100644
--- a/pmd_devdocs_major_adding_new_metrics_framework.html
+++ b/pmd_devdocs_major_adding_new_metrics_framework.html
@@ -1419,7 +1419,7 @@ build a <code class="highlighter-rouge">Signature&lt;N&gt;</code> from a <code c
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> December 2017<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> December 2017<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_devdocs_pmdtester.html b/pmd_devdocs_pmdtester.html
index 605dc27a13..b6ae35ca5d 100644
--- a/pmd_devdocs_pmdtester.html
+++ b/pmd_devdocs_pmdtester.html
@@ -1325,7 +1325,7 @@ Regression difference reports are commented back to the PR for the reviewer’s
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_devdocs_roadmap.html b/pmd_devdocs_roadmap.html
index b58af0d5fa..b854fc754e 100644
--- a/pmd_devdocs_roadmap.html
+++ b/pmd_devdocs_roadmap.html
@@ -1446,7 +1446,7 @@ This should be configurable on per Rule basis similar to TR and SymbolTable.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_devdocs_writing_documentation.html b/pmd_devdocs_writing_documentation.html
index f9dd87ec7c..ff0fe2ffd9 100644
--- a/pmd_devdocs_writing_documentation.html
+++ b/pmd_devdocs_writing_documentation.html
@@ -1562,7 +1562,7 @@ by specifying <code class="highlighter-rouge">-Dpmd.doc.checkExternalLinks=true<
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_java_metrics_index.html b/pmd_java_metrics_index.html
index 17e6db73f0..92960ab738 100644
--- a/pmd_java_metrics_index.html
+++ b/pmd_java_metrics_index.html
@@ -1616,7 +1616,7 @@ In Proceedings ACM Symposium on Software Reusability, 1995.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> July 20, 2017<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> July 20, 2017<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_languages_jsp.html b/pmd_languages_jsp.html
index 694686f87d..0486e37e84 100644
--- a/pmd_languages_jsp.html
+++ b/pmd_languages_jsp.html
@@ -1356,7 +1356,7 @@ contains only “.java” files, JSP files obviously will not be checked.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_next_major_development.html b/pmd_next_major_development.html
index c0d59078f9..00cd98db66 100644
--- a/pmd_next_major_development.html
+++ b/pmd_next_major_development.html
@@ -1876,7 +1876,7 @@ will be removed with PMD 7.0.0. The rule is replaced by the more general
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_projectdocs_committers_merging_pull_requests.html b/pmd_projectdocs_committers_merging_pull_requests.html
index 9041ddb6df..a8993fa92b 100644
--- a/pmd_projectdocs_committers_merging_pull_requests.html
+++ b/pmd_projectdocs_committers_merging_pull_requests.html
@@ -1474,7 +1474,7 @@ integrated (e.g. gitk and github show the branches, from which the specific comm
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> August 2017<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> August 2017<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_projectdocs_committers_releasing.html b/pmd_projectdocs_committers_releasing.html
index 686d25468a..d071dd4ab7 100644
--- a/pmd_projectdocs_committers_releasing.html
+++ b/pmd_projectdocs_committers_releasing.html
@@ -1512,7 +1512,7 @@ and <code class="highlighter-rouge">mvn versions:set -DnewVersion=5.7.0-SNAPSHOT
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_projectdocs_credits.html b/pmd_projectdocs_credits.html
index e0f06d311b..de9f750442 100644
--- a/pmd_projectdocs_credits.html
+++ b/pmd_projectdocs_credits.html
@@ -1817,7 +1817,7 @@ PMD scoreboard formulas, pmd-dcpd optimizations</li>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_projectdocs_faq.html b/pmd_projectdocs_faq.html
index 1299af6615..3638037ed0 100644
--- a/pmd_projectdocs_faq.html
+++ b/pmd_projectdocs_faq.html
@@ -1350,7 +1350,7 @@ You must take this into account for certain rules.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_projectdocs_trivia_meaning.html b/pmd_projectdocs_trivia_meaning.html
index 5eb5fe55df..37b2279fe3 100644
--- a/pmd_projectdocs_trivia_meaning.html
+++ b/pmd_projectdocs_trivia_meaning.html
@@ -1319,7 +1319,7 @@ really know.  We just think the letters sound good together.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_projectdocs_trivia_news.html b/pmd_projectdocs_trivia_news.html
index efb1ef5463..3a7549f684 100644
--- a/pmd_projectdocs_trivia_news.html
+++ b/pmd_projectdocs_trivia_news.html
@@ -1431,7 +1431,7 @@ interview with Ole-Martin and Tom</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_projectdocs_trivia_products.html b/pmd_projectdocs_trivia_products.html
index f1cfd4c973..b74d2504cf 100644
--- a/pmd_projectdocs_trivia_products.html
+++ b/pmd_projectdocs_trivia_products.html
@@ -1366,7 +1366,7 @@ to catch web app security problems.  Thanks to Joseph Hemler for the props!</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_projectdocs_trivia_similarprojects.html b/pmd_projectdocs_trivia_similarprojects.html
index 1788a1e23b..bd1d22cd12 100644
--- a/pmd_projectdocs_trivia_similarprojects.html
+++ b/pmd_projectdocs_trivia_similarprojects.html
@@ -1374,7 +1374,7 @@ only for maven project.</li>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_release_notes.html b/pmd_release_notes.html
index 6e6b725a90..96f9b31756 100644
--- a/pmd_release_notes.html
+++ b/pmd_release_notes.html
@@ -1292,6 +1292,14 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
 
 <h3 id="new-and-noteworthy">New and noteworthy</h3>
 
+<h4 id="full-support-for-scala">Full support for Scala</h4>
+
+<p>Thanks to <a href="https://github.com/tophersmith">Chris Smith</a> PMD now fully supports Scala. Now rules for analyzing Scala
+code can be developed in addition to the Copy-Pase-Detection (CPD) functionality. There are no rules yet, so
+contributions are welcome.</p>
+
+<p>Additionally Scala support has been upgraded from 2.12.4 to 2.13.</p>
+
 <h4 id="new-rule-designer-documentation">New rule designer documentation</h4>
 
 <p>The documentation for the rule designer is now available on the main PMD documentation page:
@@ -1382,7 +1390,8 @@ exists and returns just the filename without the full path.</li>
 deprecated. It was used to determine a “short name” of the file being analyzed, so that the report
 can use short names. However, this logic has been moved to the renderers.</li>
   <li>The method <a href="https://javadoc.io/page/net.sourceforge.pmd/pmd-core/6.18.0/net/sourceforge/pmd/Report.html#metrics()"><code class="highlighter-rouge">Report#metrics</code></a> and <a href="https://javadoc.io/page/net.sourceforge.pmd/pmd-core/6.18.0/net/sourceforge/pmd/Report.html#"><code class="highlighter-rouge">Report</code></a> have
-been deprecated. They were leftovers from a previous deprecation round targeting <a href="https://javadoc.io/page/net.sourceforge.pmd/pmd-core/6.18.0/net/sourceforge/pmd/lang/rule/StatisticalRule.html#"><code class="highlighter-rouge">StatisticalRule</code></a>.</li>
+been deprecated. They were leftovers from a previous deprecation round targeting
+<a href="https://javadoc.io/page/net.sourceforge.pmd/pmd-core/6.18.0/net/sourceforge/pmd/lang/rule/stat/StatisticalRule.html#"><code class="highlighter-rouge">StatisticalRule</code></a>.</li>
 </ul>
 
 <h5 id="internal-apis">Internal APIs</h5>
@@ -1394,6 +1403,7 @@ been deprecated. They were leftovers from a previous deprecation round targeting
 <h3 id="external-contributions">External Contributions</h3>
 
 <ul>
+  <li><a href="https://github.com/pmd/pmd/pull/1965">#1965</a>: [scala] Use Scalameta for parsing - <a href="https://github.com/tophersmith">Chris Smith</a></li>
   <li><a href="https://github.com/pmd/pmd/pull/1970">#1970</a>: [java] DoubleBraceInitialization: Fix example - <a href="https://github.com/tweimer">Tobias Weimer</a></li>
   <li><a href="https://github.com/pmd/pmd/pull/1971">#1971</a>: [java] 1862 - Message Digest should not be used as class field - <a href="https://github.com/AnthonyKot">AnthonyKot</a></li>
   <li><a href="https://github.com/pmd/pmd/pull/1994">#1994</a>: [core] Resolve pmd-report failure when java folder in filepath - <a href="https://github.com/shahamish150294">Amish Shah</a></li>
@@ -1415,7 +1425,7 @@ been deprecated. They were leftovers from a previous deprecation round targeting
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_release_notes_old.html b/pmd_release_notes_old.html
index 5cd2fbcc5e..66446a5b24 100644
--- a/pmd_release_notes_old.html
+++ b/pmd_release_notes_old.html
@@ -10431,7 +10431,7 @@ Added new HTML report format
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_apex.html b/pmd_rules_apex.html
index 760906456a..a424afddcb 100644
--- a/pmd_rules_apex.html
+++ b/pmd_rules_apex.html
@@ -1509,7 +1509,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_apex_bestpractices.html b/pmd_rules_apex_bestpractices.html
index a1beecc96c..113e0b99e9 100644
--- a/pmd_rules_apex_bestpractices.html
+++ b/pmd_rules_apex_bestpractices.html
@@ -1679,7 +1679,7 @@ Therefore delegate the triggers work to a regular class (often called Trigger ha
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_apex_codestyle.html b/pmd_rules_apex_codestyle.html
index dde88ec8b8..b3f5a50dbb 100644
--- a/pmd_rules_apex_codestyle.html
+++ b/pmd_rules_apex_codestyle.html
@@ -2329,7 +2329,7 @@ controlled from the rest.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_apex_design.html b/pmd_rules_apex_design.html
index 401400b0e5..3baa3e4a35 100644
--- a/pmd_rules_apex_design.html
+++ b/pmd_rules_apex_design.html
@@ -2226,7 +2226,7 @@ city/state/zip fields could park them within a single Address field.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_apex_documentation.html b/pmd_rules_apex_documentation.html
index 56f973f1af..dabe0b9794 100644
--- a/pmd_rules_apex_documentation.html
+++ b/pmd_rules_apex_documentation.html
@@ -1376,7 +1376,7 @@ order as the method signature.</li>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_apex_errorprone.html b/pmd_rules_apex_errorprone.html
index ff77f6cd9b..5b3cf24c5c 100644
--- a/pmd_rules_apex_errorprone.html
+++ b/pmd_rules_apex_errorprone.html
@@ -1861,7 +1861,7 @@ a while loop that does a lot in the exit expression, rewrite it to make it clear
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_apex_performance.html b/pmd_rules_apex_performance.html
index 19caa7cab5..fc37fde14c 100644
--- a/pmd_rules_apex_performance.html
+++ b/pmd_rules_apex_performance.html
@@ -1479,7 +1479,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_apex_security.html b/pmd_rules_apex_security.html
index e0f0bf5489..490942b6d5 100644
--- a/pmd_rules_apex_security.html
+++ b/pmd_rules_apex_security.html
@@ -1965,7 +1965,7 @@ to avoid XSS attacks.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_ecmascript.html b/pmd_rules_ecmascript.html
index 8db43810fd..150104448c 100644
--- a/pmd_rules_ecmascript.html
+++ b/pmd_rules_ecmascript.html
@@ -1392,7 +1392,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_ecmascript_bestpractices.html b/pmd_rules_ecmascript_bestpractices.html
index 6999f37781..7199af0088 100644
--- a/pmd_rules_ecmascript_bestpractices.html
+++ b/pmd_rules_ecmascript_bestpractices.html
@@ -1514,7 +1514,7 @@ It also improves readability, if the base is given.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_ecmascript_codestyle.html b/pmd_rules_ecmascript_codestyle.html
index 77bc2e0586..03db2d4bcb 100644
--- a/pmd_rules_ecmascript_codestyle.html
+++ b/pmd_rules_ecmascript_codestyle.html
@@ -1656,7 +1656,7 @@ will never execute.  This is a bug, or extremely poor style.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_ecmascript_errorprone.html b/pmd_rules_ecmascript_errorprone.html
index d3c5b56bc6..c5cc209567 100644
--- a/pmd_rules_ecmascript_errorprone.html
+++ b/pmd_rules_ecmascript_errorprone.html
@@ -1438,7 +1438,7 @@ precision in a floating point number.  This may result in numeric calculations b
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_java.html b/pmd_rules_java.html
index ccb0e25d4c..2f4c4d06d0 100644
--- a/pmd_rules_java.html
+++ b/pmd_rules_java.html
@@ -1948,7 +1948,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_java_bestpractices.html b/pmd_rules_java_bestpractices.html
index ee76f6544c..6b51b5179b 100644
--- a/pmd_rules_java_bestpractices.html
+++ b/pmd_rules_java_bestpractices.html
@@ -3336,7 +3336,7 @@ a block <code class="highlighter-rouge">{}</code> is sufficient.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_java_codestyle.html b/pmd_rules_java_codestyle.html
index 8f22902e13..684e34f570 100644
--- a/pmd_rules_java_codestyle.html
+++ b/pmd_rules_java_codestyle.html
@@ -4435,7 +4435,7 @@ by the rule <a href="pmd_rules_java_codestyle.html#controlstatementbraces"><code
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_java_design.html b/pmd_rules_java_design.html
index de306a0d60..e7b4e2b481 100644
--- a/pmd_rules_java_design.html
+++ b/pmd_rules_java_design.html
@@ -3843,7 +3843,7 @@ remember to add a private constructor to prevent instantiation.
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_java_documentation.html b/pmd_rules_java_documentation.html
index f73b85690a..0ba6127e93 100644
--- a/pmd_rules_java_documentation.html
+++ b/pmd_rules_java_documentation.html
@@ -1618,7 +1618,7 @@ empty methods.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_java_errorprone.html b/pmd_rules_java_errorprone.html
index f1fbd03edf..6d1a243814 100644
--- a/pmd_rules_java_errorprone.html
+++ b/pmd_rules_java_errorprone.html
@@ -5047,7 +5047,7 @@ Thread.currentThread().getContextClassLoader() instead.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_java_multithreading.html b/pmd_rules_java_multithreading.html
index 1673f830dc..a019209b02 100644
--- a/pmd_rules_java_multithreading.html
+++ b/pmd_rules_java_multithreading.html
@@ -1770,7 +1770,7 @@ one is chosen.  The thread chosen is arbitrary; thus its usually safer to call n
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_java_performance.html b/pmd_rules_java_performance.html
index e0d3bec63e..3f18a5df64 100644
--- a/pmd_rules_java_performance.html
+++ b/pmd_rules_java_performance.html
@@ -2318,7 +2318,7 @@ or StringBuffer.toString().length() == …</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_java_security.html b/pmd_rules_java_security.html
index d92ff6ebc9..63f30e03dc 100644
--- a/pmd_rules_java_security.html
+++ b/pmd_rules_java_security.html
@@ -1363,7 +1363,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_jsp.html b/pmd_rules_jsp.html
index aba041676a..92f1a59e04 100644
--- a/pmd_rules_jsp.html
+++ b/pmd_rules_jsp.html
@@ -1374,7 +1374,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_jsp_bestpractices.html b/pmd_rules_jsp_bestpractices.html
index 6657e27113..60c64a7624 100644
--- a/pmd_rules_jsp_bestpractices.html
+++ b/pmd_rules_jsp_bestpractices.html
@@ -1405,7 +1405,7 @@ little other purpose. Consider switching to JSP comments.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_jsp_codestyle.html b/pmd_rules_jsp_codestyle.html
index 7b1043af89..f800fd9ecd 100644
--- a/pmd_rules_jsp_codestyle.html
+++ b/pmd_rules_jsp_codestyle.html
@@ -1322,7 +1322,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_jsp_design.html b/pmd_rules_jsp_design.html
index 3807daf75e..8cfbeb71f3 100644
--- a/pmd_rules_jsp_design.html
+++ b/pmd_rules_jsp_design.html
@@ -1413,7 +1413,7 @@ response.setHeader("Pragma", "No-cache");
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_jsp_errorprone.html b/pmd_rules_jsp_errorprone.html
index c13054a23a..1d5905b26a 100644
--- a/pmd_rules_jsp_errorprone.html
+++ b/pmd_rules_jsp_errorprone.html
@@ -1334,7 +1334,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_jsp_security.html b/pmd_rules_jsp_security.html
index d3dccc0a40..19896a1c75 100644
--- a/pmd_rules_jsp_security.html
+++ b/pmd_rules_jsp_security.html
@@ -1355,7 +1355,7 @@ ${fn:escapeXml(expression)}      &lt;!-- instead, escape it --&gt;
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_plsql.html b/pmd_rules_plsql.html
index 0777c67abe..2d578695ae 100644
--- a/pmd_rules_plsql.html
+++ b/pmd_rules_plsql.html
@@ -1403,7 +1403,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_plsql_bestpractices.html b/pmd_rules_plsql_bestpractices.html
index a7a0e6e67b..f6836fe83b 100644
--- a/pmd_rules_plsql_bestpractices.html
+++ b/pmd_rules_plsql_bestpractices.html
@@ -1363,7 +1363,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_plsql_codestyle.html b/pmd_rules_plsql_codestyle.html
index 0c507dbd7d..5a0cb84bfa 100644
--- a/pmd_rules_plsql_codestyle.html
+++ b/pmd_rules_plsql_codestyle.html
@@ -1647,7 +1647,7 @@ https://docs.oracle.com/cd/B28359_01/appdev.111/b28370/static.htm#BABIIHBJ</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_plsql_design.html b/pmd_rules_plsql_design.html
index 8bcebf1aa9..4474790630 100644
--- a/pmd_rules_plsql_design.html
+++ b/pmd_rules_plsql_design.html
@@ -2287,7 +2287,7 @@ have more fine grained objects.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_plsql_errorprone.html b/pmd_rules_plsql_errorprone.html
index d598446ab5..9fdcb075e9 100644
--- a/pmd_rules_plsql_errorprone.html
+++ b/pmd_rules_plsql_errorprone.html
@@ -1432,7 +1432,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_pom.html b/pmd_rules_pom.html
index e5bd9100fb..db27208f82 100644
--- a/pmd_rules_pom.html
+++ b/pmd_rules_pom.html
@@ -1336,7 +1336,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_pom_errorprone.html b/pmd_rules_pom_errorprone.html
index 5e29a47670..b2d158a299 100644
--- a/pmd_rules_pom_errorprone.html
+++ b/pmd_rules_pom_errorprone.html
@@ -1403,7 +1403,7 @@ By far the most common problem is the use of ${project.version} in a BOM or pare
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_scala.html b/pmd_rules_scala.html
new file mode 100644
index 0000000000..df03a6734f
--- /dev/null
+++ b/pmd_rules_scala.html
@@ -0,0 +1,1334 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="utf-8">
+<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<meta name="description" content="Index of all built-in rules available for Scala">
+<meta name="keywords" content="rule_referencesscala,  ">
+<title>Scala Rules | PMD Source Code Analyzer</title>
+<link rel="stylesheet" href="css/syntax.css">
+
+
+<link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.5.0/css/font-awesome.min.css">
+<!--<link rel="stylesheet" type="text/css" href="css/bootstrap.min.css">-->
+<link rel="stylesheet" href="css/modern-business.css">
+<link rel="stylesheet" href="css/lavish-bootstrap.css">
+<link rel="stylesheet" href="css/customstyles.css">
+<link rel="stylesheet" href="css/theme-blue.css">
+<link rel="stylesheet" href="css/pmd-customstyles.css">
+
+<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-cookie/1.4.1/jquery.cookie.min.js"></script>
+<script src="js/jquery.navgoco.min.js"></script>
+
+
+<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/anchor-js/2.0.0/anchor.min.js"></script>
+<script src="js/toc.js"></script>
+<script src="js/customscripts.js"></script>
+
+<link rel="shortcut icon" href="images/favicon.ico" type="image/x-icon">
+<link rel="icon" href="images/favicon.ico" type="image/x-icon">
+
+<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
+<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
+<!--[if lt IE 9]>
+<script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
+<script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
+<![endif]-->
+
+<link rel="alternate" type="application/rss+xml" title="" href="https://pmd.github.io/pmd/feed.xml">
+
+    <script>
+        $(document).ready(function() {
+            // Initialize navgoco with default options
+            $("#mysidebar").navgoco({
+                caretHtml: '',
+                accordion: true,
+                openClass: 'active', // open
+                save: false, // leave false or nav highlighting doesn't work right
+                cookie: {
+                    name: 'navgoco',
+                    expires: false,
+                    path: '/'
+                },
+                slide: {
+                    duration: 400,
+                    easing: 'swing'
+                }
+            });
+
+            $("#collapseAll").click(function(e) {
+                e.preventDefault();
+                $("#mysidebar").navgoco('toggle', false);
+            });
+
+            $("#expandAll").click(function(e) {
+                e.preventDefault();
+                $("#mysidebar").navgoco('toggle', true);
+            });
+
+        });
+
+    </script>
+    <script>
+        $(function () {
+            $('[data-toggle="tooltip"]').tooltip()
+        })
+    </script>
+    <script>
+        $(document).ready(function() {
+            $("#tg-sb-link").click(function() {
+                $("#tg-sb-sidebar").toggle();
+                $("#tg-sb-content").toggleClass('col-md-9');
+                $("#tg-sb-content").toggleClass('col-md-12');
+                $("#tg-sb-icon").toggleClass('fa-toggle-on');
+                $("#tg-sb-icon").toggleClass('fa-toggle-off');
+            });
+        });
+    </script>
+    
+
+</head>
+<body>
+<!-- Content is offset by the height of the topnav bar. -->
+<!-- There's already a padding-top rule in modern-business.css, but it apparently doesn't work on Firefox 60 and Chrome 67 -->
+<div id="topbar-content-offset">
+<!-- Navigation -->
+<nav class="navbar navbar-inverse navbar-fixed-top">
+    <div class="container topnavlinks">
+        <div class="navbar-header">
+            <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
+                <span class="sr-only">Toggle navigation</span>
+                <span class="icon-bar"></span>
+                <span class="icon-bar"></span>
+                <span class="icon-bar"></span>
+            </button>
+            <a class="fa fa-home fa-lg navbar-brand" href="index.html">&nbsp;<span class="projectTitle"> PMD Source Code Analyzer Project</span></a>
+        </div>
+        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
+            <ul class="nav navbar-nav navbar-right">
+                <!-- toggle sidebar button -->
+                <li><a id="tg-sb-link" href="#"><i id="tg-sb-icon" class="fa fa-toggle-on"></i> Nav</a></li>
+                <!-- entries without drop-downs appear here -->
+                
+                
+                
+                <li><a href="https://github.com/pmd/pmd/releases/latest" target="_blank">Download</a></li>
+                
+                
+                
+                <li><a href="https://github.com/pmd/pmd" target="_blank">Fork us on github</a></li>
+                
+                
+                
+                <!-- entries with drop-downs appear here -->
+                <!-- conditional logic to control which topnav appears for the audience defined in the configuration file.-->
+                
+                
+                <!--comment out this block if you want to hide search-->
+                <li>
+                    <!--start search-->
+                    <div id="search-demo-container">
+                        <input type="text" id="search-input" placeholder="search...">
+                        <ul id="results-container"></ul>
+                    </div>
+                    <script src="js/jekyll-search.js" type="text/javascript"></script>
+                    <script type="text/javascript">
+                            SimpleJekyllSearch.init({
+                                searchInput: document.getElementById('search-input'),
+                                resultsContainer: document.getElementById('results-container'),
+                                dataSource: 'search.json',
+                                searchResultTemplate: '<li><a href="{url}" title="Scala Rules">{title}</a></li>',
+                    noResultsText: 'No results found.',
+                            limit: 10,
+                            fuzzy: true,
+                    })
+                    </script>
+                    <!--end search-->
+                </li>
+            </ul>
+        </div>
+        </div>
+        <!-- /.container -->
+</nav>
+
+<!-- Page Content -->
+<div class="container">
+    <div class="col-lg-12">&nbsp;</div>
+    <!-- Content Row -->
+    <div class="row">
+        
+        
+        <!-- Sidebar Column -->
+        <div class="col-md-3" id="tg-sb-sidebar">
+            
+
+
+
+
+
+
+
+
+<ul id="mysidebar" class="nav">
+    <li class="sidebarTitle">PMD 6.18.0</li>
+    
+    
+    
+        
+    
+    <li>
+        
+        <a href="#">About</a>
+        
+        <ul>
+            
+            
+
+            
+
+                
+                <li><a href="index.html">Home</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_release_notes.html">Release notes</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_next_major_development.html">PMD 7.0.0 development</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_about_help.html">Getting help</a></li>
+                
+
+            
+
+            
+            
+        </ul>
+     </li>
+       
+        
+    
+    <li>
+        
+        <a href="#">User Documentation</a>
+        
+        <ul>
+            
+            
+
+            
+
+                
+                <li><a href="pmd_userdocs_installation.html">Installation and basic CLI usage</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_userdocs_making_rulesets.html">Making rulesets</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_userdocs_configuring_rules.html">Configuring rules</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_userdocs_best_practices.html">Best practices</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_userdocs_suppressing_warnings.html">Suppressing warnings</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_userdocs_incremental_analysis.html">Incremental analysis</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_userdocs_cli_reference.html">PMD CLI reference</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">Extending PMD</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_userdocs_extending_writing_pmd_rules.html">Writing a rule</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_userdocs_extending_writing_xpath_rules.html">Writing XPath rules</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_userdocs_extending_designer_reference.html">Rule designer reference</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_userdocs_extending_defining_properties.html">Defining rule properties</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_userdocs_extending_metrics_howto.html">Using and defining code metrics</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_userdocs_extending_rule_guidelines.html">Rule guidelines</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_userdocs_extending_testing.html">Testing your rules</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_userdocs_cpd.html">Copy-paste detection</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">Tools / Integrations</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_userdocs_tools_maven.html">Maven PMD plugin</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_userdocs_tools_ant.html">Ant</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_userdocs_tools_ci.html">CI integrations</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_userdocs_tools.html">Other Tools / Integrations</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+        </ul>
+     </li>
+       
+        
+    
+    <li>
+        
+        <a href="#">Rule Reference</a>
+        
+        <ul>
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">Apex Rules</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_rules_apex.html">Index</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_apex_bestpractices.html">Best Practices</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_apex_codestyle.html">Code Style</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_apex_design.html">Design</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_apex_documentation.html">Documentation</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_apex_errorprone.html">Error Prone</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_apex_performance.html">Performance</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_apex_security.html">Security</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">Ecmascript Rules</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_rules_ecmascript.html">Index</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_ecmascript_bestpractices.html">Best Practices</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_ecmascript_codestyle.html">Code Style</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_ecmascript_errorprone.html">Error Prone</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">Java Rules</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_rules_java.html">Index</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_java_bestpractices.html">Best Practices</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_java_codestyle.html">Code Style</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_java_design.html">Design</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_java_documentation.html">Documentation</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_java_errorprone.html">Error Prone</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_java_multithreading.html">Multithreading</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_java_performance.html">Performance</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_java_security.html">Security</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">Java Server Pages Rules</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_rules_jsp.html">Index</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_jsp_bestpractices.html">Best Practices</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_jsp_codestyle.html">Code Style</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_jsp_design.html">Design</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_jsp_errorprone.html">Error Prone</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_jsp_security.html">Security</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">Maven POM Rules</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_rules_pom.html">Index</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_pom_errorprone.html">Error Prone</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">PLSQL Rules</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_rules_plsql.html">Index</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_plsql_bestpractices.html">Best Practices</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_plsql_codestyle.html">Code Style</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_plsql_design.html">Design</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_plsql_errorprone.html">Error Prone</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">Salesforce VisualForce Rules</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_rules_vf.html">Index</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_vf_security.html">Security</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">VM Rules</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_rules_vm.html">Index</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_vm_bestpractices.html">Best Practices</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_vm_design.html">Design</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_vm_errorprone.html">Error Prone</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">XML Rules</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_rules_xml.html">Index</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_xml_errorprone.html">Error Prone</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">XSL Rules</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_rules_xsl.html">Index</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_xsl_codestyle.html">Code Style</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_rules_xsl_performance.html">Performance</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+        </ul>
+     </li>
+       
+        
+    
+    <li>
+        
+        <a href="#">Language Specific Documentation</a>
+        
+        <ul>
+            
+            
+
+            
+
+                
+                <li><a href="pmd_languages_jsp.html">JSP Support</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_java_metrics_index.html">Java code metrics</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_apex_metrics_index.html">Apex code metrics</a></li>
+                
+
+            
+
+            
+            
+        </ul>
+     </li>
+       
+        
+    
+    <li>
+        
+        <a href="#">Developer Documentation</a>
+        
+        <ul>
+            
+            
+
+            
+
+                
+                <li><a href="pmd_devdocs_development.html">Developer resources</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_devdocs_building.html">Building PMD from source</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="https://github.com/pmd/pmd/blob/master/CONTRIBUTING.md" target="_blank">Contributing</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_devdocs_writing_documentation.html">Writing documentation</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_devdocs_roadmap.html">Roadmap</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_devdocs_how_pmd_works.html">How PMD works</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_devdocs_pmdtester.html">Pmdtester</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">Major contributions</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_devdocs_major_adding_new_language.html">Adding a new language</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_devdocs_major_adding_new_cpd_language.html">Adding a new CPD language</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_devdocs_major_adding_new_metrics_framework.html">Adding metrics support to a language</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+        </ul>
+     </li>
+       
+        
+    
+    <li>
+        
+        <a href="#">Project documentation</a>
+        
+        <ul>
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">Trivia about PMD</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_projectdocs_trivia_news.html">PMD in the press</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_projectdocs_trivia_products.html">Products & books related to PMD</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_projectdocs_trivia_similarprojects.html">Similar projects</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_projectdocs_trivia_meaning.html">What does 'PMD' mean?</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_projectdocs_faq.html">FAQ</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="license.html">License</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_projectdocs_credits.html">Credits</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                <li><a href="pmd_release_notes_old.html">Old release notes</a></li>
+                
+
+            
+
+            
+            
+            
+
+            
+
+                
+                
+                <li class="subfolders">
+                    <a href="#">Project management</a>
+                    <ul>
+                        
+                        
+                        
+                        <li><a href="pmd_projectdocs_committers_releasing.html">Release process</a></li>
+                        
+                        
+                        
+                        
+                        
+                        <li><a href="pmd_projectdocs_committers_merging_pull_requests.html">Merging pull requests</a></li>
+                        
+                        
+                        
+                    </ul>
+                </li>
+                
+                
+
+            
+
+            
+            
+        </ul>
+     </li>
+       
+        
+        
+        <!-- if you aren't using the accordion, uncomment this block:
+           <p class="external">
+               <a href="#" id="collapseAll">Collapse All</a> | <a href="#" id="expandAll">Expand All</a>
+           </p>
+           -->
+</ul>
+
+<!-- this highlights the active parent class in the navgoco sidebar. this is critical so that the parent expands when you're viewing a page. This must appear below the sidebar code above. Otherwise, if placed inside customscripts.js, the script runs before the sidebar code runs and the class never gets inserted.-->
+<script>$("li.active").parents('li').toggleClass("active");</script>
+
+        </div>
+        
+        
+
+        <!-- Content Column -->
+        <div class="col-md-9" id="tg-sb-content">
+            <div class="post-header">
+   <h1 class="post-title-main">Scala Rules</h1>
+</div>
+
+
+
+<div class="post-content">
+
+   
+    <div class="summary">Index of all built-in rules available for Scala</div>
+   
+
+    
+    
+<!-- this handles the automatic toc. use ## for subheads to auto-generate the on-page minitoc. if you use html tags, you must supply an ID for the heading element in order for it to appear in the minitoc. -->
+<script>
+$( document ).ready(function() {
+  // Handler for .ready() called.
+
+$('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3,h4' });
+
+});
+</script>
+
+<div id="toc"></div>
+
+    
+
+
+    
+
+        
+        
+
+    <a target="_blank" href="https://github.com/pmd/pmd/blob/master/docs/pages/pmd/rules/scala.md" class="btn btn-default githubEditButton" role="button"><i class="fa fa-github fa-lg"></i> Edit me</a>
+
+    
+
+  <p>Currently there are no built-in rules yet for Scala.</p>
+
+<p>Contributions are welcome!</p>
+
+
+
+    <div class="tags">
+        
+        <b>Tags: </b>
+        
+        
+        
+        <a href="tag_rule_references.html" class="btn btn-default navbar-btn cursorNorm" role="button">rule_references</a>
+        
+        
+        
+        
+        
+    </div>
+
+
+
+</div>
+
+<hr class="shaded"/>
+
+<footer>
+            <div class="row">
+                <div class="col-lg-12 footer">
+               &copy;2019 PMD Open Source Project. All rights reserved. <br />
+ Site last generated: Sep 7, 2019 <br />
+<p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
+                </div>
+            </div>
+</footer>
+
+
+        </div>
+        <!-- /.row -->
+    </div>
+    <!-- /.container -->
+</div>
+</div>
+</body>
+
+</html>
diff --git a/pmd_rules_vf.html b/pmd_rules_vf.html
index ce8471b59f..404c18ab7b 100644
--- a/pmd_rules_vf.html
+++ b/pmd_rules_vf.html
@@ -1336,7 +1336,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_vf_security.html b/pmd_rules_vf_security.html
index 69727a53f5..957261c22a 100644
--- a/pmd_rules_vf_security.html
+++ b/pmd_rules_vf_security.html
@@ -1341,7 +1341,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_vm.html b/pmd_rules_vm.html
index b0e4e9bf4e..ef26ad9cb1 100644
--- a/pmd_rules_vm.html
+++ b/pmd_rules_vm.html
@@ -1357,7 +1357,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_vm_bestpractices.html b/pmd_rules_vm_bestpractices.html
index 348cbf621d..ce9745562a 100644
--- a/pmd_rules_vm_bestpractices.html
+++ b/pmd_rules_vm_bestpractices.html
@@ -1331,7 +1331,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_vm_design.html b/pmd_rules_vm_design.html
index 478668f9a3..46f1cb6695 100644
--- a/pmd_rules_vm_design.html
+++ b/pmd_rules_vm_design.html
@@ -1445,7 +1445,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_vm_errorprone.html b/pmd_rules_vm_errorprone.html
index 416aebc63e..3c52363055 100644
--- a/pmd_rules_vm_errorprone.html
+++ b/pmd_rules_vm_errorprone.html
@@ -1331,7 +1331,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_xml.html b/pmd_rules_xml.html
index c91eb3d052..1ce817e6b2 100644
--- a/pmd_rules_xml.html
+++ b/pmd_rules_xml.html
@@ -1335,7 +1335,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_xml_errorprone.html b/pmd_rules_xml_errorprone.html
index b30db96149..ea2e63a4d5 100644
--- a/pmd_rules_xml_errorprone.html
+++ b/pmd_rules_xml_errorprone.html
@@ -1335,7 +1335,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_xsl.html b/pmd_rules_xsl.html
index ba9c89742c..b13da2f349 100644
--- a/pmd_rules_xsl.html
+++ b/pmd_rules_xsl.html
@@ -1343,7 +1343,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_xsl_codestyle.html b/pmd_rules_xsl_codestyle.html
index 4b96eeb028..a1daaa1479 100644
--- a/pmd_rules_xsl_codestyle.html
+++ b/pmd_rules_xsl_codestyle.html
@@ -1326,7 +1326,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_rules_xsl_performance.html b/pmd_rules_xsl_performance.html
index 72ca644a1d..c4d35cb192 100644
--- a/pmd_rules_xsl_performance.html
+++ b/pmd_rules_xsl_performance.html
@@ -1369,7 +1369,7 @@ cutting through 100% of the document.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_best_practices.html b/pmd_userdocs_best_practices.html
index d30f0cb1e4..c9f7dd4bc8 100644
--- a/pmd_userdocs_best_practices.html
+++ b/pmd_userdocs_best_practices.html
@@ -1338,7 +1338,7 @@ and soon you’ll be fixing problems much faster.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> November 2017<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> November 2017<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_cli_reference.html b/pmd_userdocs_cli_reference.html
index 362211a318..496055073e 100644
--- a/pmd_userdocs_cli_reference.html
+++ b/pmd_userdocs_cli_reference.html
@@ -1897,6 +1897,7 @@ This behavior has been introduced to ease PMD integration into scripts or hooks,
   <li><a href="pmd_rules_ecmascript.html">ecmascript</a> (JavaScript)</li>
   <li><a href="pmd_rules_jsp.html">jsp</a></li>
   <li><a href="pmd_rules_plsql.html">plsql</a></li>
+  <li><a href="pmd_rules_scala.html">scala</a></li>
   <li><a href="pmd_rules_vf.html">vf</a> (Salesforce VisualForce)</li>
   <li><a href="pmd_rules_vm.html">vm</a> (Apache Velocity)</li>
   <li><a href="pmd_rules_xml.html">xml and xsl</a></li>
@@ -2034,7 +2035,7 @@ which can be specified with the <code class="highlighter-rouge">-property</code>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_configuring_rules.html b/pmd_userdocs_configuring_rules.html
index 5fe5c68c7f..e5c9a56275 100644
--- a/pmd_userdocs_configuring_rules.html
+++ b/pmd_userdocs_configuring_rules.html
@@ -1364,7 +1364,7 @@ will cause the rule to be ignored.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> May 2018 (6.4.0)<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> May 2018 (6.4.0)<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_cpd.html b/pmd_userdocs_cpd.html
index e3d7bd832d..f10e6345a1 100644
--- a/pmd_userdocs_cpd.html
+++ b/pmd_userdocs_cpd.html
@@ -2317,7 +2317,7 @@ the comment based approach will be extended to those of them that can support it
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_extending_defining_properties.html b/pmd_userdocs_extending_defining_properties.html
index a9d865c0b2..3b124a7d21 100644
--- a/pmd_userdocs_extending_defining_properties.html
+++ b/pmd_userdocs_extending_defining_properties.html
@@ -1567,7 +1567,7 @@ There are several things to notice here:</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> December 2017 (6.0.0)<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> December 2017 (6.0.0)<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_extending_designer_reference.html b/pmd_userdocs_extending_designer_reference.html
index 096226a36c..609f27b740 100644
--- a/pmd_userdocs_extending_designer_reference.html
+++ b/pmd_userdocs_extending_designer_reference.html
@@ -1553,7 +1553,7 @@ The available language modules are those on the classpath of the app’s JVM. Th
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> August 2019 (6.18.0)<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> August 2019 (6.18.0)<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_extending_metrics_howto.html b/pmd_userdocs_extending_metrics_howto.html
index 578f2e5519..07de143ab2 100644
--- a/pmd_userdocs_extending_metrics_howto.html
+++ b/pmd_userdocs_extending_metrics_howto.html
@@ -1639,7 +1639,7 @@ classes. Here’s the default behaviour by language and type of metric:</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> December 18, 2017<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> December 18, 2017<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_extending_rule_guidelines.html b/pmd_userdocs_extending_rule_guidelines.html
index e1101338b3..193c0a4ad0 100644
--- a/pmd_userdocs_extending_rule_guidelines.html
+++ b/pmd_userdocs_extending_rule_guidelines.html
@@ -1381,7 +1381,7 @@ the category and add the XML test data in the correct xml subpackage.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> July 3, 2016<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> July 3, 2016<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_extending_testing.html b/pmd_userdocs_extending_testing.html
index f82f142cb4..01409dab04 100644
--- a/pmd_userdocs_extending_testing.html
+++ b/pmd_userdocs_extending_testing.html
@@ -1610,7 +1610,7 @@ will be executed twice.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> November 2018<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> November 2018<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_extending_writing_pmd_rules.html b/pmd_userdocs_extending_writing_pmd_rules.html
index 7855c24675..fde3662236 100644
--- a/pmd_userdocs_extending_writing_pmd_rules.html
+++ b/pmd_userdocs_extending_writing_pmd_rules.html
@@ -1629,7 +1629,7 @@ of the component type. These can be repeated for arrays of arrays
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> July 3, 2016<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> July 3, 2016<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_extending_writing_xpath_rules.html b/pmd_userdocs_extending_writing_xpath_rules.html
index b7ec7ed5d7..2e1dffee21 100644
--- a/pmd_userdocs_extending_writing_xpath_rules.html
+++ b/pmd_userdocs_extending_writing_xpath_rules.html
@@ -1497,7 +1497,7 @@ public class ExampleCode {
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> July 3, 2016<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> July 3, 2016<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_incremental_analysis.html b/pmd_userdocs_incremental_analysis.html
index 4e2c6d6ae3..24dc01f147 100644
--- a/pmd_userdocs_incremental_analysis.html
+++ b/pmd_userdocs_incremental_analysis.html
@@ -1333,7 +1333,7 @@ few runs, you can use the <a href="pmd_userdocs_cli_reference.html#no-cache"><co
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_installation.html b/pmd_userdocs_installation.html
index 9421c70cef..255f7f1c94 100644
--- a/pmd_userdocs_installation.html
+++ b/pmd_userdocs_installation.html
@@ -1471,7 +1471,7 @@ directory or a jar or zip file containing the sources.</li>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_making_rulesets.html b/pmd_userdocs_making_rulesets.html
index 7c8cdc5c85..29c007966c 100644
--- a/pmd_userdocs_making_rulesets.html
+++ b/pmd_userdocs_making_rulesets.html
@@ -1411,7 +1411,7 @@ category, then PMD would fail before starting the analysis.</li>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> May 2018 (6.4.0)<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> May 2018 (6.4.0)<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_suppressing_warnings.html b/pmd_userdocs_suppressing_warnings.html
index 4fbe20872a..62d56ed88a 100644
--- a/pmd_userdocs_suppressing_warnings.html
+++ b/pmd_userdocs_suppressing_warnings.html
@@ -1522,7 +1522,7 @@ violations you wish to suppress.  XPath queries are explained in
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_tools.html b/pmd_userdocs_tools.html
index 2aa89a5f11..ce0b7dc39d 100644
--- a/pmd_userdocs_tools.html
+++ b/pmd_userdocs_tools.html
@@ -1762,7 +1762,7 @@ the (blank Command Results) document, and then confirming that, “yes, I do rea
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_tools_ant.html b/pmd_userdocs_tools_ant.html
index 14dd7edfb1..26ab98b8e2 100644
--- a/pmd_userdocs_tools_ant.html
+++ b/pmd_userdocs_tools_ant.html
@@ -1722,7 +1722,7 @@ To prevent this from happening, increase the maximum memory usable by ant using
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_tools_ci.html b/pmd_userdocs_tools_ci.html
index e6bfa7f19e..ab886bda8d 100644
--- a/pmd_userdocs_tools_ci.html
+++ b/pmd_userdocs_tools_ci.html
@@ -1328,7 +1328,7 @@ result of the PMD maven plugin.</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/pmd_userdocs_tools_maven.html b/pmd_userdocs_tools_maven.html
index e9e6899a71..919d8cfd2b 100644
--- a/pmd_userdocs_tools_maven.html
+++ b/pmd_userdocs_tools_maven.html
@@ -1549,7 +1549,7 @@ the previous paragraph. Add the following property to your project now:</p>
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
-<span>Page last updated:</span> August 2017<br/> Site last generated: Sep 6, 2019 <br />
+<span>Page last updated:</span> August 2017<br/> Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/search.json b/search.json
index 1d83e43f72..682d575e4e 100644
--- a/search.json
+++ b/search.json
@@ -5026,6 +5026,22 @@
 
 
 
+{
+"title": "Scala Rules",
+"tags": "rule_referencesscala",
+"keywords": "",
+"url": "pmd_rules_scala.html",
+"summary": "Index of all built-in rules available for Scala"
+}
+
+
+
+,
+
+
+
+
+
 
 
 
diff --git a/sitemap.xml b/sitemap.xml
index c493d3aa1f..1590cb4a47 100644
--- a/sitemap.xml
+++ b/sitemap.xml
@@ -479,6 +479,12 @@
   
   
   
+  <url>
+    <loc>https://pmd.github.io/pmd/pmd_rules_scala.html</loc>
+  </url>
+  
+  
+  
   
   
   <url>
diff --git a/tag_devdocs.html b/tag_devdocs.html
index ee3b5794f8..daae112499 100644
--- a/tag_devdocs.html
+++ b/tag_devdocs.html
@@ -1610,6 +1610,12 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
      
    
     
+        
+     
+        
+     
+   
+    
    
     
    
@@ -1736,7 +1742,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/tag_extending.html b/tag_extending.html
index ef3ca532b2..826d9a61e8 100644
--- a/tag_extending.html
+++ b/tag_extending.html
@@ -1616,6 +1616,12 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
      
    
     
+        
+     
+        
+     
+   
+    
    
     
    
@@ -1754,7 +1760,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/tag_getting_started.html b/tag_getting_started.html
index b6694fde2a..d0531da72a 100644
--- a/tag_getting_started.html
+++ b/tag_getting_started.html
@@ -1580,6 +1580,12 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
      
    
     
+        
+     
+        
+     
+   
+    
    
     
    
@@ -1700,7 +1706,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/tag_languages.html b/tag_languages.html
index 32134e479c..e373b207fa 100644
--- a/tag_languages.html
+++ b/tag_languages.html
@@ -1562,6 +1562,12 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
      
    
     
+        
+     
+        
+     
+   
+    
    
     
    
@@ -1682,7 +1688,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/tag_metrics.html b/tag_metrics.html
index 01a4345bd4..7299b950c2 100644
--- a/tag_metrics.html
+++ b/tag_metrics.html
@@ -1586,6 +1586,12 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
      
    
     
+        
+     
+        
+     
+   
+    
    
     
    
@@ -1706,7 +1712,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/tag_release_notes.html b/tag_release_notes.html
index 35c18b4628..db94e4d69e 100644
--- a/tag_release_notes.html
+++ b/tag_release_notes.html
@@ -1562,6 +1562,12 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
      
    
     
+        
+     
+        
+     
+   
+    
    
     
    
@@ -1682,7 +1688,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/tag_rule_references.html b/tag_rule_references.html
index a5f99706c9..cefdb17485 100644
--- a/tag_rule_references.html
+++ b/tag_rule_references.html
@@ -1598,6 +1598,18 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
      
    
     
+        
+
+        <tr><td><a href="pmd_rules_scala.html">Scala Rules</a></td>
+            <td><span class="label label-default">Page</span></td>
+          <td> Index of all built-in rules available for Scala </td>
+        </tr>
+        
+     
+        
+     
+   
+    
    
     
    
@@ -1742,7 +1754,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/tag_tools.html b/tag_tools.html
index db39249787..de0fbccba0 100644
--- a/tag_tools.html
+++ b/tag_tools.html
@@ -1580,6 +1580,12 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
      
    
     
+        
+     
+        
+     
+   
+    
    
     
    
@@ -1706,7 +1712,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/tag_troubleshooting.html b/tag_troubleshooting.html
index 6b478c4f5a..0842f1b7fd 100644
--- a/tag_troubleshooting.html
+++ b/tag_troubleshooting.html
@@ -1562,6 +1562,12 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
      
    
     
+        
+     
+        
+     
+   
+    
    
     
    
@@ -1682,7 +1688,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/tag_userdocs.html b/tag_userdocs.html
index 2b6f8b2372..77d70f4e2e 100644
--- a/tag_userdocs.html
+++ b/tag_userdocs.html
@@ -1646,6 +1646,12 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
      
    
     
+        
+     
+        
+     
+   
+    
    
     
    
@@ -1796,7 +1802,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/titlepage/index.html b/titlepage/index.html
index 7d2aa87453..b96be72307 100644
--- a/titlepage/index.html
+++ b/titlepage/index.html
@@ -1287,7 +1287,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
   <div class="printTitleArea">
     <div class="printTitle"></div>
     <div class="printSubtitle"></div>
-    <div class="lastGeneratedDate">Last generated: September 06, 2019</div>
+    <div class="lastGeneratedDate">Last generated: September 07, 2019</div>
     <hr />
 
     <div class="printTitleImage">
@@ -1317,7 +1317,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>
diff --git a/tocpage/index.html b/tocpage/index.html
index e7c7e34b18..11ec1b67e4 100644
--- a/tocpage/index.html
+++ b/tocpage/index.html
@@ -1317,7 +1317,7 @@ $('#toc').toc({ minimumHeaders: 0, listType: 'ul', showSpeed: 0, headers: 'h2,h3
             <div class="row">
                 <div class="col-lg-12 footer">
                &copy;2019 PMD Open Source Project. All rights reserved. <br />
- Site last generated: Sep 6, 2019 <br />
+ Site last generated: Sep 7, 2019 <br />
 <p><img src="images/pmd-logo-small.png" alt="Company logo"/></p>
                 </div>
             </div>