>>===== MODE =====>>
citation
<<===== MODE =====<<


>>===== ABBREVIATIONS =====>>
{
    "default": {
        "number": {
            "2nd volume": "2ND"
        }
    }
}
<<===== ABBREVIATIONS =====<<

The second test would test true for is-numeric, but the content is
rescued before the test by the abbreviations engine.

>>===== RESULT =====>>
Numeric false: Volume 2
Numeric true: 2ND
Numeric false: Second vol.
<<===== RESULT =====<<

>>===== CITATION-ITEMS =====>>
[
    [
        {
            "id": "ITEM-1"
        }
    ], 
    [
        {
            "id": "ITEM-2"
        }
    ], 
    [
        {
            "id": "ITEM-3"
        }
    ]
]
<<===== CITATION-ITEMS =====<<


>>===== CSL =====>>
<style 
      xmlns="http://purl.org/net/xbiblio/csl"
      class="note"
      version="1.0">
  <info>
    <id />
    <title />
    <updated>2009-08-10T04:49:00+09:00</updated>
  </info>
  <citation>
    <layout>
      <choose>
        <if is-numeric="volume">
          <text value="Numeric true:" suffix=" "/>
          <number variable="volume"/>
        </if>
        <else>
          <text value="Numeric false:" suffix=" "/>
          <number variable="volume"/>
        </else>
      </choose>
    </layout>
  </citation>
</style>
<<===== CSL =====<<


>>===== INPUT =====>>
[
    {
        "id": "ITEM-1", 
        "title": "Work 1", 
        "volume": "Volume 2",
        "type": "book"
    }, 
    {
        "id": "ITEM-2", 
        "title": "Work 2", 
        "volume": "2nd volume",
        "type": "book"
    },
    {
        "id": "ITEM-3", 
        "title": "Work 3", 
        "volume": "Second vol.",
        "type": "book"
    }
]
<<===== INPUT =====<<