ES synonym failure on 0.17.8

gistfile1.txt

# Here are the contents of the synonym file that is located here: analysis/synonym_test.txt
test1, a+b
test2, b+c
test3, d/c
work, business

# Create the index
curl -XPOST localhost:9200/es-syntest -d '{
    "settings" : {
        "number_of_shards" : 1,
	"analysis" : {"analyzer":{"synonym_test_analyzer":{"type":"custom","tokenizer":"standard","filter":["standard","lowercase","synonym_test","stop"]}},"filter":{"synonym_test":{"type":"synonym","synonyms_path":"analysis/synonym_test.txt","ignore_case":true,"expand":true}}}
    },
    "mappings" : {
        "es-syntest" : {
            "properties" : {
                "attachmentcontent" : { "type" : "string", "omit_norms" : true, "include_in_all" : false, "analyzer" :  "synonym_test_analyzer", "term_vector" : "with_positions_offsets"}
            }
        }
    }
}'

# Add some docs
curl -XPUT 'http://localhost:9200/es-syntest/es-syntest/1' -d '{
    "attachmentcontent" : "test1"
}'

curl -XPUT 'http://localhost:9200/es-syntest/es-syntest/2' -d '{
    "attachmentcontent" : "test2"
}'

curl -XPUT 'http://localhost:9200/es-syntest/es-syntest/3' -d '{
    "attachmentcontent" : "test3"
}'

curl -XPUT 'http://localhost:9200/es-syntest/es-syntest/4' -d '{
    "attachmentcontent" : "a+b"
}'

curl -XPUT 'http://localhost:9200/es-syntest/es-syntest/5' -d '{
    "attachmentcontent" : "b+c"
}'

curl -XPUT 'http://localhost:9200/es-syntest/es-syntest/6' -d '{
    "attachmentcontent" : "d/c"
}'

curl -XPUT 'http://localhost:9200/es-syntest/es-syntest/7' -d '{
    "attachmentcontent" : "work"
}'

curl -XPUT 'http://localhost:9200/es-syntest/es-syntest/8' -d '{
    "attachmentcontent" : "business"
}'


# Run facet query
curl -XGET http://localhost:9200/es-syntest/es-syntest/_search?pretty=true -d '
{"query": {"match_all": {}}, "facets": {"tag": {"terms": {"field": "attachmentcontent", "size": 10000}}}, "size": 0}
'


# Results on 0.16.5
{
  "took" : 68,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "failed" : 0
  },
  "hits" : {
    "total" : 8,
    "max_score" : 1.0,
    "hits" : [ ]
  },
  "facets" : {
    "tag" : {
      "_type" : "terms",
      "missing" : 0,
      "terms" : [ {
        "term" : "work",
        "count" : 2
      }, {
        "term" : "c",
        "count" : 2
      }, {
        "term" : "busi",
        "count" : 2
      }, {
        "term" : "b",
        "count" : 2
      }, {
        "term" : "test3",
        "count" : 1
      }, {
        "term" : "test2",
        "count" : 1
      }, {
        "term" : "test1",
        "count" : 1
      }, {
        "term" : "d/c",
        "count" : 1
      }, {
        "term" : "d",
        "count" : 1
      }, {
        "term" : "b+c",
        "count" : 1
      }, {
        "term" : "a+b",
        "count" : 1
      } ]
    }
  }
}


# Results on 0.17.8
{
  "took" : 20,
  "timed_out" : false,
  "_shards" : {
    "total" : 1,
    "successful" : 1,
    "failed" : 0
  },
  "hits" : {
    "total" : 8,
    "max_score" : 1.0,
    "hits" : [ ]
  },
  "facets" : {
    "tag" : {
      "_type" : "terms",
      "missing" : 0,
      "total" : 10,
      "other" : 0,
      "terms" : [ {
        "term" : "c",
        "count" : 2
      }, {
        "term" : "b",
        "count" : 2
      }, {
        "term" : "work",
        "count" : 1
      }, {
        "term" : "test3",
        "count" : 1
      }, {
        "term" : "test2",
        "count" : 1
      }, {
        "term" : "test1",
        "count" : 1
      }, {
        "term" : "d",
        "count" : 1
      }, {
        "term" : "busi",
        "count" : 1
      } ]
    }
  }
}