Used to render out all informal parameters, at the end of the {@link org.apache.tapestry5.annotations.BeginRender}phase.
This mixin can be used with components that render a single tag inside the {@link BeginRender} phase. RenderInformalswill activate during the PostBeginRender phase to write additional attributes, from the informal parameters, into the active element.
If you want this behavior, but need to render more than a single tag, then implement render phase methods for the {@link BeforeRenderTemplate} and {@link AfterRenderTemplate} phases. Use those phases to write the additionalelements and close them.
This is often used as a base class, for cases where a component doesn't have other mixins.
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