<?xml version="1.0"?>
<foo
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:noNamespaceSchemaLocation="decimal-2.xsd">
    <!-- The good ones. -->
    <val>0.1</val>
    <val>0.001</val>
    <val>0.0</val>
    <val>-0.0</val>
    <val>1</val>
    <!-- The bad ones. -->
    <val>-0.1</val>
    <val>-1</val>
</foo>