don't make ascii normalization the default

config/config.ini

@@ -48,6 +48,9 @@ language =
 # Modernize language if modernization is available for your language: currently only French is supported.
 modernize = yes
 
+# Transliterate characters to closest ascii representation.
+ascii = no
+
 # Stem words using the Porter Stemmer
 stemmer = yes
 

lib/textpair/generate_ngrams.py

@@ -37,6 +37,7 @@ def __init__(
         minimum_word_length=2,
         word_order=True,
         modernize=True,
+        ascii=False,
         pos_to_keep=[],
         debug=False,
     ):
@@ -55,6 +56,7 @@ def __init__(
             "stopwords": stopwords,  # TODO: generate error if file not found
             "text_object_level": text_object_level,
             "pos_to_keep": set(pos_to_keep),
+            "ascii": ascii,
         }
         self.debug = debug
         self.input_path = ""
@@ -153,7 +155,7 @@ def process_file(self, input_file):
             ngram_gap=self.config["gap"],
             text_object_type=self.config["text_object_level"],
             min_word_length=self.config["minimum_word_length"],
-            ascii=True,
+            ascii=self.config["ascii"],
         )
         doc_ngrams = []
         metadata = {}

lib/textpair/parse_config.py

@@ -28,7 +28,7 @@ def parse_config(textpair_config, output_path="./output", skip_web_app=False):
             tei_parsing[key] = value
     for key, value in dict(config["PREPROCESSING"]).items():
         if value:
-            if key == "skipgram" or key == "numbers" or key == "word_order" or key == "modernize":
+            if key in ["skipgram", "numbers", "word_order", "modernize", "ascii"]:
                 if value.lower() == "yes" or value.lower() == "true":
                     value = True
                 else: