stripping accents in auto-complete analysis

gistfile1.txt

{
    "index" : { 
        "analysis" : { 
            "filter" : { 
              "my_ngram" : { 
                "max_gram" : 20, 
                "min_gram" : 2,
                "type" : "nGram"
              },  
              "my_snow" : { 
                "type" : "stemmer",
                "language" : "light_french"
              }   
            },  
            "analyzer" : { 
                "lowercase_keyword" : { 
                   "filter" : [ 
                     "standard",
                     "lowercase",
                     "asciifolding",
                     "my_snow"                                                                                                              
                    ],  
                   "type" : "custom",
                   "tokenizer" : "keyword"
                },  
                "lowercase_keyword_ngram" : { 
                  "filter" : [ 
                    "standard",
                    "lowercase",
                    "asciifolding",
                    "my_ngram",
                    "my_snow"
                  ],  
                  "type" : "custom",
                  "tokenizer" : "keyword"
                }   
            }   
       }   
    }   
}