Newly revised Section 10 for ES3.1.

[Brendan Eich]

On Jul 9, 2008, at 10:05 PM, Allen Wirfs-Brock wrote:
> I’m also confused about this.  My understanding was, other than  
> perhaps some of the details I was specifically looking for feedback  
> on, that what I specified was generally what ES4 was planning on  
> doing.
>

See my reply to Mark citing

http://wiki.ecmascript.org/doku.php? 
id=meetings:minutes_mar_27_2008#technical_notes

"[W]hat ES4 was planning on doing" needs to be qualified with "under  
the default version" of JS, or under opt-in versioning. Again since  
default versions get differing function statement semantics depending  
on browser, unless all browsers can afford to break existing browser- 
specific content, the change to unify on proposed ES4 semantics may  
need to be under opt-in version selection only.

If some browsers implemented in a way that happens to work for most  
browser-specific content (it's hard to be sure), then perhaps those  
implementations could just make the change. But for cross-browser  
portability, web scripts would want to select the explicit version  
that guarantees the new semantics (and syntax, for that matter) in  
all browsers that support that version.

/be

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