tracker issue : CF-3822362

See http://cfmlblog.adamcameron.me/2014/09/cfscript-20.html:

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GaryF mentioned this in a comment:
I believe a solution has to be creating a new, clean syntax which can be used within tags like this: <cfscript version="2"> </cfscript> Adobe would have to create a new interpreter but it just kicks in if version=2 is specified.
Yes. This strikes me as quite a nice idea. One could either specify the version in the tag, or have some compilation options somewhere which tell CF to which version to default. This way, there doesn't need to be any backwards compat considerations: one just picks which level to run on.

Also both vendors can get rid of their shitty generic CFScript solutions, plus fix other things that have crept in over the years (writeDump() instead of dump(); writeOutput() instead of just output() even); implement everything that looks like a function as as a function ("ColdFusion: some built-in functions aren't actually functions. It seems."), and - really - implement the scripting side of CFML the way it should always have been implemented: comprehensively, carefully, thoughtfully and thoroughly.

Another upside here is that they could implement an annotation at the start of a CFM file along the lines of @scriptversion = 2 or something, and have script-only CFM files too. That said, CFMs should be for views; most code should only be in CFCs I guess, but the CFC would need the same annotation too.

The could even extend this to the entire language: have a <cfprocessingdirective version="2"> or some other sort of annotation in a CFM file to flag which version of the tag compiler to use. This way we could get rid of most of the tags and only continue to maintain view-appropriate ones, and fix up some stuff that's never been great but we've been stuck with because of backwards-compat excuses.

Rakshith indicated that ColdFusion 12 would be less cautious with backwards compatibility issues... this might be the way to go with this.
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----------------------------- Additional Watson Details -----------------------------

Watson Bug ID:	3822362

External Customer Info:
External Company:  
External Customer Name: Adam Cameron.
External Customer Email:  
External Test Config: My Hardware and Environment details:

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