Quiz: is this XML well-formed?

[Roger L Costello <costello@mitre.org>]

Hi Folks,

Is the following XML well-formed?

<altitude units="meters"reference="AGL">1000</altitude>

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No! It is not well-formed. There must be a space before reference="AGL" like so:

<altitude units="meters" reference="AGL">1000</altitude>

But, but, but, ... Why is space required between attributes? Surely a parser can recognize the start of the next attribute given the end-delimiter of the previous attribute's value, yes?

/Roger