Execution example::

  table_create Entries TABLE_NO_KEY
  #[[0,0.0,0.0],true]
  column_create Entries body COLUMN_SCALAR ShortText
  #[[0,0.0,0.0],true]
  table_create Terms TABLE_PAT_KEY ShortText   --default_tokenizer 'TokenNgram("report_source_location", true)'   --normalizer 'NormalizerNFKC100'
  #[[0,0.0,0.0],true]
  column_create Terms document_index COLUMN_INDEX|WITH_POSITION Entries body
  #[[0,0.0,0.0],true]
  load --table Entries
  [
  {"body": "ア㌕Ａz"}
  ]
  #[[0,0.0,0.0],1]
  select Entries   --match_columns body   --query 'グラム'   --output_columns 'highlight_html(body, Terms)'
  #[
  #  [
  #    0,
  #    0.0,
  #    0.0
  #  ],
  #  [
  #    [
  #      [
  #        1
  #      ],
  #      [
  #        [
  #          "highlight_html",
  #          null
  #        ]
  #      ],
  #      [
  #        "ア<span class=\"keyword\">㌕</span>Ａz"
  #      ]
  #    ]
  #  ]
  #]
