table_createで存在しないトークンフィルターを指定したらエラーを報告してテーブルを作らない about groonga HOT 1 CLOSED

$ groonga --version
Groonga 7.1.0-13-g25d0bf4 [linux-gnu,x86_64,utf8,match-escalation-threshold=0,nfkc,mecab,msgpack,mruby,onigmo,zlib,lz4,zstd,epoll]

configure options: < 'CFLAGS=-g -O0' 'CXXFLAGS=-g -O0' '--with-ruby' '--enable-mruby'>

$ groonga -n /tmp/db/db
> table_create tbl TABLE_PAT_KEY ShortText --token_filters NoSuchTokenFilter --output_pretty yes
[
  [
    -22,
    1515645476.565119,
    0.002340078353881836,
    "[table][create][token-filter] nonexistent token filter: <NoSuchTokenFilter>",
    [
      [
        "grn_proc_table_set_token_filters_put",
        "proc_table.c",
        88
      ]
    ]
  ],
  false
]

> select tbl
[[0,1515645479.285052,0.001311540603637695],[[[0],[["_id","UInt32"],["_key","ShortText"]]]]]

> object_inspect tbl --output_pretty yes
[
  [
    0,
    1515645589.94816,
    0.0001924037933349609
  ],
  {
    "id": 256,
    "name": "tbl",
    "type": {
      "id": 49,
      "name": "table:pat_key"
    },
    "key": {
      "type": {
        "id": 14,
        "name": "ShortText",
        "type": {
          "id": 32,
          "name": "type"
        },
        "size": 4096
      },
      "total_size": 0,
      "max_total_size": 4294967294
    },
    "value": {
      "type": null
    },
    "n_records": 0,
    "disk_usage": 4243456
  }
]