[Bug 29817] Typo in reluctant qualifiers example

https://www.w3.org/Bugs/Public/show_bug.cgi?id=29817

--- Comment #1 from Michael Kay <mike@saxonica.com> ---
The example is correct.

X?? does matches X occurring zero or one times, just as X? does. The difference
between the two, as explained in the text below the example, as that X? matches
the longest possible substring, while X?? matches the shortest possible.

For example, the result of

replace("AAA", "(A?)(A+)", "1=$1 2=$2")

is "1=A 2=AA"

while the result of 

replace("AAA", "(A??)(A+)", "1=$1 2=$2")

is "1= 2=AAA"

Michael Kay

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