Rebol and Web Forms Reconsidered

I’ve been considering changing the behaviour of my AltWebForm module. Currently the script extrapolates meaning from keys to produce deeper data structures:

post.title=Something&post.tag=one&post.tag=two

Becomes:

post [
    title "Something"
    tag ["one" "two"]
]

The first consideration is that a repetitive tag implies a block instead of a single value. This causes a problem in validation as any value can become a block:

post.title=First&post.title=Second

My first proposed change then is that a repetitive value overwrites the previous value, so the above becomes:

post [title "Second"]

The second consideration is how then to handle values that are legitimate collections?

My second proposed change then is that a key that represents a block of values end in a period:

post.tag.=one
post.tag.=one&post.tag.=two

Becomes:

post [tag ["one"]]
post [tag ["one" "two"]]

Respectively.

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