Expand character class for language names

Lib/gflanguages/data/languages/bdh_Latn.textproto

@@ -1,7 +1,7 @@
 id: "bdh_Latn"
 language: "bdh"
 script: "Latn"
-name: "Baka (DRC/South Sudan)"
+name: "Baka, DRC/South Sudan"
 autonym: "Tara Baká"
 population: 60000
 region: "CD"

Lib/gflanguages/data/languages/bkc_Latn.textproto

@@ -1,7 +1,7 @@
 id: "bkc_Latn"
 language: "bkc"
 script: "Latn"
-name: "Baka (Cameroon/Gabon)"
+name: "Baka, Cameroon/Gabon"
 population: 71000
 region: "CM"
 region: "GA"

Lib/gflanguages/data/languages/bm_Nkoo.textproto

@@ -1,6 +1,6 @@
 id: "bm_Nkoo"
 language: "bm"
 script: "Nkoo"
-name: "Bambara (Nko)"
+name: "Bambara (N’Ko)"
 population: 16000000
 region: "ML"

Lib/gflanguages/data/languages/bsq_Bass.textproto

@@ -1,7 +1,7 @@
 id: "bsq_Bass"
 language: "bsq"
 script: "Bass"
-name: "Bassa (Vah)"
+name: "Bassa (Bassa Vah)"
 population: 410000
 region: "LR"
 region: "SL"

Lib/gflanguages/data/languages/cbk_Latn.textproto

@@ -1,7 +1,7 @@
 id: "cbk_Latn"
 language: "cbk"
 script: "Latn"
-name: "Chavacano, Latin, Philippines"
+name: "Chavacano, Philippines (Latin)"
 region: "PH"
 sample_text {
   masthead_full: "TtOo"

Lib/gflanguages/data/languages/chn_Dupl.textproto

@@ -1,6 +1,6 @@
 id: "chn_Dupl"
 language: "chn"
 script: "Dupl"
-name: "Chinook Jargon (Duployan shorthand)"
+name: "Chinook Jargon (Duployan)"
 region: "US"
 region: "CA"

Lib/gflanguages/data/languages/de_Dupl.textproto

@@ -1,5 +1,5 @@
 id: "de_Dupl"
 language: "de"
 script: "Dupl"
-name: "German (Duployan shorthand)"
+name: "German (Duployan)"
 region: "DE"

Lib/gflanguages/data/languages/dyu_Nkoo.textproto

@@ -1,5 +1,5 @@
 id: "dyu_Nkoo"
 language: "dyu"
 script: "Nkoo"
-name: "Dyula (Nko)"
+name: "Dyula (N’Ko)"
 region: "CI"

Lib/gflanguages/data/languages/eto_Latn.textproto

@@ -1,7 +1,7 @@
 id: "eto_Latn"
 language: "eto"
 script: "Latn"
-name: "Eton (Cameroon)"
+name: "Eton, Cameroon"
 population: 400000
 region: "CM"
 exemplar_chars {

Lib/gflanguages/data/languages/fr_Dupl.textproto

@@ -1,5 +1,5 @@
 id: "fr_Dupl"
 language: "fr"
 script: "Dupl"
-name: "French (Duployan shorthand)"
+name: "French (Duployan)"
 historical: true

Lib/gflanguages/data/languages/gcf_Latn.textproto

@@ -1,7 +1,7 @@
 id: "gcf_Latn"
 language: "gcf"
 script: "Latn"
-name: "Guadeloupean Creole French, Latin, Martinique"
+name: "Guadeloupean Creole French, Martinique (Latin)"
 region: "GP"
 region: "MQ"
 sample_text {

Lib/gflanguages/data/languages/man_Nkoo.textproto

@@ -1,5 +1,5 @@
 id: "man_Nkoo"
 language: "man"
 script: "Nkoo"
-name: "Mandingo (Nko)"
+name: "Mandingo (N’Ko)"
 region: "GN"

Lib/gflanguages/data/scripts/Beng.textproto

@@ -1,3 +1,2 @@
 id: "Beng"
-name: "Bangla"
-
+name: "Bengali"

tests/test_data_languages.py

@@ -84,7 +84,15 @@
 }
 
 # "ʼ" allowed as last character in language name for Metaʼ
-LANGUAGE_NAME_REGEX = "^[-A-Za-zÀ-ÿ ]+(ʼ)?(, [-A-Za-zÀ-ÿ ]+)?( [(][-A-Za-zÀ-ÿ ]+[)])?$"
+LANGUAGE_NAME_REGEX = "^[-’A-Za-zÀ-ÿ ]+(ʼ)?(, [-’A-Za-zÀ-ÿ/ ]+)?( [(][-’A-Za-zÀ-ÿ ]+[)])?$"
+# Some scripts have abbreviated names for reference in language names that are
+# sufficient in context. If an alternate is listed here, it should be used
+# universally and consistently across all language names.
+ALTERNATE_SCRIPT_NAMES = {
+    "Dupl": "Duployan",
+    "Hans": "Simplified",
+    "Hant": "Traditional",
+}
 
 
 @pytest.mark.parametrize("lang_code", LANGUAGES)
@@ -291,7 +299,7 @@ def test_language_uniqueness():
 def test_language_name_structure():
     languages_with_bad_name_structure = {}
     for lang in LANGUAGES.values():
-        script_name = SCRIPTS[lang.script].name
+        script_name = SCRIPTS[lang.script].name if lang.script not in ALTERNATE_SCRIPT_NAMES else ALTERNATE_SCRIPT_NAMES[lang.script]
         names = [["name", lang.name]]
         if lang.preferred_name:
             names += [["preferred_name", lang.preferred_name]]