SET NAMES utf8mb4;
CREATE TABLE terms (
term VARCHAR(64) NOT NULL PRIMARY KEY
) COMMENT='normalizer "NormalizerNFKC130(''unify_kana'', true)"'
  DEFAULT CHARSET=utf8mb4
COLLATE=utf8mb4_unicode_ci;
SELECT mroonga_snippet_html('これはMroonga（ムルンガ）です。',
'terms' as lexicon_name,
'index' as index_name,
'むるんが') as snippet;
ERROR HY000: Can't initialize function 'mroonga_snippet_html'; mroonga_snippet_html(): can't specify index_name with lexicon_name
