As historical reason, the following properties files from jdk and langtools are missing the license & copyright header.

```
# GPL
src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/resources/standard.properties
src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/resources/doclets.properties
src/jdk.jdeps/share/classes/com/sun/tools/javap/resources/javap.properties
src/jdk.jdeps/share/classes/com/sun/tools/jdeps/resources/jdeps.properties
src/jdk.jdeps/share/classes/com/sun/tools/jdeprscan/resources/jdeprscan.properties

src/java.desktop/share/classes/com/sun/accessibility/internal/resources/accessibility.properties
src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/resources/gtk.properties
src/java.desktop/share/classes/com/sun/java/swing/plaf/motif/resources/motif.properties
src/java.desktop/windows/classes/com/sun/java/swing/plaf/windows/resources/windows.properties
src/java.desktop/share/classes/com/sun/swing/internal/plaf/basic/resources/basic.properties
src/java.desktop/share/classes/com/sun/swing/internal/plaf/metal/resources/metal.properties
src/java.desktop/share/classes/com/sun/swing/internal/plaf/synth/resources/synth.properties
src/java.desktop/share/classes/sun/awt/resources/awt.properties
src/java.desktop/share/classes/sun/print/resources/serviceui.properties
src/java.desktop/windows/classes/sun/awt/windows/awtLocalization.properties
src/jdk.compiler/share/classes/sun/tools/serialver/resources/serialver.properties
src/jdk.jconsole/share/classes/sun/tools/jconsole/resources/messages.properties
src/jdk.jdi/share/classes/com/sun/tools/jdi/resources/jdi.properties

# BSD
src/demo/share/jfc/CodePointIM/resources/codepoint.properties
src/demo/share/jfc/Notepad/resources/Notepad.properties
src/demo/share/jfc/Stylepad/resources/Stylepad.properties
src/demo/share/jfc/SwingSet2/resources/swingset.properties
```