Experiment with workflow_dispatch
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 698d6c6..f20252f 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -4,6 +4,7 @@
     pull_request:
     push:
         branches: [ master ]
+    workflow_dispatch:
 
 env:
     MAVEN_OPTS: -Xmx4g -Xms1g
diff --git a/tools/SketchesCheckstyle.xml b/tools/SketchesCheckstyle.xml
index 03a69c3..a51083d 100644
--- a/tools/SketchesCheckstyle.xml
+++ b/tools/SketchesCheckstyle.xml
@@ -39,7 +39,7 @@
   <property name="fileExtensions" value="java"/>
 
   <module name="BeforeExecutionExclusionFileFilter">
-    <property name="fileNamePattern" value="src/test/java/.+$"/> 
+    <property name="fileNamePattern" value="src/test/java/.+$"/>
   </module>
 
   <module name="FileTabCharacter">