>I got word back that the SpiderMonkey implementation of E4X does NOT
> treat \u as an escape sequence in an XML literal, so I've filed it as an
> AS3 bug that we do. However, whoever gets assigned this bug will have to
> consult the E4X spec carefully to determine whether it has anything to
> say about this.
>
Considering that every other major implementation of XPATH uses the HTML
character code replacements and/or supports the full unicode character set
directly, it probably wouldn't make sense to support a special escape
sequence that only works for Flash front ends; it would make any middle tier
developed for a Flash-based front end less compatible with other
implementations. I don't believe it is written into the specs *not* to
support special escape sequences, but in the interest of maintaining
standards, it makes sense to stick to the way other major implementations
have gone unless there is a compelling reason to do otherwise. Especially
since the intended purpose in this situation is to display the resulting
character as HTML.
What might make more sense is a conversion function. Other
implementations, such as XSL interpreters in browsers or on servers, allow
for extensions to be added, but since this isn't possible in the FLash
player, a pair of conversion functions (like fromCharCode and toCharCode)
would allow conversions to and from unicode without causing
incompatibilities.
ryanm
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