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The 'loc' bindings have some optional arguments that you can use. The only required argument is the name of the key you want a localised value for (as shown above), but you may also like to provide a default String to display in the absence of a localised version. Here's an example of how you can do this:

   <wo:WOString value="[loc: message, 'Default StringMessage']" />

Footnote

• The support for the new 'loc:' binding has been added as a custom WOAssociation. WebObjects 5.4 introduced a public API for writing and registering custom WOAssocations, so you too can modify the WebObjects component parsing and introduce new binding prefixes. For more information about how this is done, refer to the Registering Custom WOAssociations page.