Hey,

Yes, it should assume a file of the same type, and raise if there
isn't.

i.e.

index.html.erb  renders  'example'  , should find example.html.erb or
raise

Same with xml:

index.xml.erb  renders  'example' , should find example.xml.erb or
raise

But overwrites should be allowed:

index.html.erb  renders  'example.xml.erb' , should work

Regards
Kieran



On Aug 9, 3:19 pm, Yehuda Katz <[email protected]> wrote:
> In Rails 2.x, if you have an XML template, and try to render a template
> that does not have an XML version, but does have an HTML version, it
> will be rendered. XML and HTML are just examples; this is true for any
> two mime types.
>
> Is this behavior important? First of all, I'm not sure this is the right
> behavior, since it's possible to be explicit about the format you wish
> to use and rendering a template from a different MIME seems likely to be
> a mistake. Second of all, it requires us to widen our search criteria
> when looking for subsidiary templates (like partials), and prevents us
> from efficiently caching the template for a given format (instead, we
> need to cache the template for a given Array of formats, which is much
> less efficient).
>
> I also think that restricting subsidiary templates would be consistent
> with other (non-breaking) fixes we've done to ensure that layouts match
> the MIME type of the template they are wrapping (which allowed us to
> eliminate the exempt_from_layout hacks).
>
> Thanks for your attention,
>
> -- Yehuda

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