[ic] Tags inside tags

[Kevin Walsh]

> 
> Is there any way to do something like this:
>      [item-field [scratch var]]
> where var holds the name of the field wanted.
> 
Due to the "looping tag" parsing order and other syntax-related rules,
you cannot use [item-field] in this way.  Try the following instead:

    [data table="products" column="[scratch var]" key="[item-code]"]

Of course, this will use the "products" table, or whatever you specify,
instead of following the rules documented for the [PREFIX-field] tag.

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