History for ZRenderer

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ZRenderer Proposal

  Poster Children::

    <img src="images/larch" z-render=absolute_image>
    <frame name="main" src="browse_main" z-render=frame_pass_query>
    <input name="is_larch" type="checkbox" z-render=check_var var="tree">

  Goals

    o Allow HTML to be marked up in such a way that it behaves correctly
    in both a Zope context and in a non-Zope aware HTML editor/composer.

    o Support creation of &quot;styles&quot; or &quot;behaviors&quot;,
    implemented in Zope, which can be applied to HTML tags in order to
    control their rendering on the server.

  Proposed Changes

    Add to DTML Documents and Methods a processing step which recognizes
    SGML tags with a 'z-render' attribute.  Parse and replace these tags
    with ZRender objects.

  Result

    We could develop libraries of methods which transform or replace tags
    in any way we like.  Specifically, it would be simple to develop methods
    like ZRenderAbsImage, ZRenderFrameQueryString, or ZRenderCheckbox.  More
    complex methods like ZRenderQuickTable could be essentially user-defined
    tags.