[javadoc] Generating Javadoc
  [javadoc] Javadoc execution
  [javadoc] Loading source files for package org.realityforge.extension...
  [javadoc] Constructing Javadoc information...
  [javadoc] Standard Doclet version 1.4.0
  [javadoc] 
  [javadoc] Generating /opt/projects/spice/components/extension/target/docs/apidocs/constant-values.html...
  [javadoc] Copying file /home/peter/.maven/plugins/maven-javadoc-plugin-1.3-SNAPSHOT/plugin-resources/stylesheet.css to file /opt/projects/spice/components/extension/target/docs/apidocs/stylesheet.css...
  [javadoc] Building tree for all the packages and classes...
  [javadoc] Building index for all the packages and classes...
  [javadoc] Generating /opt/projects/spice/components/extension/target/docs/apidocs/index-all.html...
  [javadoc] "Enum indicating that extension is incompatible with
  [javadoc]  other Package Specification in ways other than other enums
  [javadoc]  indicate)."
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Specification.java:103: warning - The first sentence is interpreted to be:
  [javadoc] This sentence is different from what will be interpreted as the first sentence in the
  [javadoc] next major release (when that interpretation will be internationalized), which is:
  [javadoc] "Enum indicating that extension is incompatible with
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Extension.java:137: warning - The first sentence is interpreted to be:
  [javadoc]  other Package Specification in ways other than other enums
  [javadoc]  indicate). ie For example the other Package Specification
  [javadoc]  may have a different ID."
  [javadoc] To avoid this note, change the doc comment to make this a proper first sentence, then
  [javadoc] use -breakiterator from that point forward, which will output this new sentence.
  [javadoc] "Enum indicating that extension is incompatible with
  [javadoc]  other extension in ways other than other enums
  [javadoc]  indicate)."
  [javadoc] This sentence is different from what would be generated using -breakiterator: 
  [javadoc] "Enum indicating that extension is incompatible with
  [javadoc]  other extension in ways other than other enums
  [javadoc]  indicate). ie For example the other extension may have
  [javadoc]  a different ID."
  [javadoc] Building index for all classes...
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Extension.java:137: warning - The first sentence is interpreted to be:
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Extension.java:40: warning - Tag @see: reference not found: Attributes.Name#EXTENSION_LIST
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Extension.java:59: warning - Tag @see: reference not found: Attributes.Name#EXTENSION_NAME
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Extension.java:66: warning - Tag @see: reference not found: Attributes.Name#SPECIFICATION_VERSION
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Extension.java:73: warning - Tag @see: reference not found: Attributes.Name#SPECIFICATION_VENDOR
  [javadoc] Generating /opt/projects/spice/components/extension/target/docs/apidocs/org/realityforge/extension/Extension.html...
  [javadoc] "Enum indicating that extension is incompatible with
  [javadoc]  other extension in ways other than other enums
  [javadoc]  indicate)."
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Extension.java:80: warning - Tag @see: reference not found: Attributes.Name#IMPLEMENTATION_VERSION
  [javadoc] This sentence is different from what would be generated using -breakiterator: 
  [javadoc] "Enum indicating that extension is incompatible with
  [javadoc]  other extension in ways other than other enums
  [javadoc]  indicate). ie For example the other extension may have
  [javadoc]  a different ID."
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Extension.java:87: warning - Tag @see: reference not found: Attributes.Name#IMPLEMENTATION_VENDOR
  [javadoc] Generating /opt/projects/spice/components/extension/target/docs/apidocs/org/realityforge/extension/Specification.html...
  [javadoc] "Enum indicating that extension is incompatible with
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Extension.java:94: warning - Tag @see: reference not found: Attributes.Name#IMPLEMENTATION_URL
  [javadoc]  other Package Specification in ways other than other enums
  [javadoc]  indicate)."
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Extension.java:101: warning - Tag @see: reference not found: Attributes.Name#IMPLEMENTATION_VENDOR_ID
  [javadoc] This sentence is different from what would be generated using -breakiterator: 
  [javadoc] "Enum indicating that extension is incompatible with
  [javadoc]  other Package Specification in ways other than other enums
  [javadoc]  indicate). ie For example the other Package Specification
  [javadoc]  may have a different ID."
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Specification.java:103: warning - The first sentence is interpreted to be:
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Specification.java:37: warning - Tag @see: reference not found: Attributes.Name#SPECIFICATION_TITLE
  [javadoc] Generating /opt/projects/spice/components/extension/target/docs/apidocs/help-doc.html...
  [javadoc] Note: Custom tags that were not seen:  @phoenix.component, @phoenix.dependency, @phoenix.service, @phoenix.entry, @phoenix.context
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Specification.java:43: warning - Tag @see: reference not found: Attributes.Name#SPECIFICATION_VERSION
  [javadoc] 18 warnings
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Specification.java:49: warning - Tag @see: reference not found: Attributes.Name#SPECIFICATION_VENDOR
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Specification.java:55: warning - Tag @see: reference not found: Attributes.Name#IMPLEMENTATION_TITLE
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Specification.java:61: warning - Tag @see: reference not found: Attributes.Name#IMPLEMENTATION_VERSION
  [javadoc] /opt/projects/spice/components/extension/src/java/org/realityforge/extension/Specification.java:67: warning - Tag @see: reference not found: Attributes.Name#IMPLEMENTATION_VENDOR