Streaming XML

[Rick Jelliffe]

From: Tim Bray <tbray at textuality.com>

>True - and to be pedantic, ^C (&#03;) is probably a better choice,
>since its name is ETX, for End-of-text, and it was actually defined
>for this kind of use.  It's in Unicode too, but, just like ^L, not
>in XML.  -Tim

Tim isnt being pedantic: the control characters are provided
specifically to
allow in-band comms signalling. However, implementation is often
OS-dependent
and ratty.

Whatever you use, make sure its not ^D,^Q,^S, or ~Z. I am not really
sure
that ^C would not also cause problems, because of its use as an abort
character.
In particular, control signals are often associated with DCE/DTE
point-to-point
signalling, and not end-to-end. You might send a ^C, but how that
propogates
to the other end is anyone's business. So a vacant tty control character
like ^L
might be useful. I'd love to hear the results of anyone testing this
with XML
over PPP.

Rick Jelliffe


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