Actully YAML is supported. You may add the following code to ribbon.xml and it'll work: <button id="buttonYAML" label="YAML" size="large" screentip="Enter YAMLCode" onAction="AddInButtonClicked" tag="YAML" keytip="YA" image="Other.png" visible="true"/>
Actully YAML is supported. You may add the following code to ribbon.xml and it'll work:
<button id="buttonYAML" label="YAML" size="large" screentip="Enter YAMLCode" onAction="AddInButtonClicked" tag="YAML" keytip="YA" image="Other.png" visible="true"/>