diff --git a/scripts/geodata/i18n/transliteration_rules.py b/scripts/geodata/i18n/transliteration_rules.py
index 092bde7e..5dcfe8a7 100644
--- a/scripts/geodata/i18n/transliteration_rules.py
+++ b/scripts/geodata/i18n/transliteration_rules.py
@@ -818,11 +818,11 @@ def get_all_transform_rules():
             continue
         step_index = len(all_steps)
         num_steps = len(steps)
-        for step_type, data in steps:
+        for i, (step_type, data) in enumerate(steps):
             if step_type == STEP_RULESET:
                 rule_index = len(all_rules)
                 num_rules = len(data)
-                step = (STEP_RULESET, str(rule_index), str(num_rules), 'NULL')
+                step = (STEP_RULESET, str(rule_index), str(num_rules), quote_string(str(i)))
                 all_rules.extend(data)
             elif step_type == STEP_TRANSFORM:
                 step = (STEP_TRANSFORM, '-1', '-1', quote_string(data))
diff --git a/src/transliteration_data.c b/src/transliteration_data.c
index 51575aae..153d2a95 100644
--- a/src/transliteration_data.c
+++ b/src/transliteration_data.c
@@ -6849,78 +6849,78 @@ transliteration_rule_source_t rules_source[] = {
 
 transliteration_step_source_t steps_source[] = {
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,0,103,NULL},
+    {STEP_RULESET,0,103,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,103,67,NULL},
-    {STEP_RULESET,170,1,NULL},
+    {STEP_RULESET,103,67,"1"},
+    {STEP_RULESET,170,1,"0"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFKC"},
-    {STEP_RULESET,171,90,NULL},
-    {STEP_RULESET,261,47,NULL},
+    {STEP_RULESET,171,90,"1"},
+    {STEP_RULESET,261,47,"0"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,308,88,NULL},
+    {STEP_RULESET,308,88,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
     {STEP_TRANSFORM,-1,-1,"Gujarati-InterIndic"},
     {STEP_TRANSFORM,-1,-1,"InterIndic-Latin"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,396,82,NULL},
+    {STEP_RULESET,396,82,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFKD"},
-    {STEP_RULESET,478,107,NULL},
+    {STEP_RULESET,478,107,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
-    {STEP_RULESET,585,45,NULL},
-    {STEP_RULESET,630,76,NULL},
+    {STEP_RULESET,585,45,"0"},
+    {STEP_RULESET,630,76,"0"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
-    {STEP_RULESET,706,95,NULL},
+    {STEP_RULESET,706,95,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,801,74,NULL},
+    {STEP_RULESET,801,74,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,875,268,NULL},
+    {STEP_RULESET,875,268,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
     {STEP_TRANSFORM,-1,-1,"Devanagari-InterIndic"},
     {STEP_TRANSFORM,-1,-1,"InterIndic-Latin"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,1143,49,NULL},
-    {STEP_RULESET,1192,3,NULL},
+    {STEP_RULESET,1143,49,"1"},
+    {STEP_RULESET,1192,3,"0"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,1195,114,NULL},
+    {STEP_RULESET,1195,114,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,1309,63,NULL},
+    {STEP_RULESET,1309,63,"1"},
     {STEP_TRANSFORM,-1,-1,"Han-Spacedhan"},
-    {STEP_RULESET,1372,1597,NULL},
+    {STEP_RULESET,1372,1597,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,2969,114,NULL},
+    {STEP_RULESET,2969,114,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFKD"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
-    {STEP_RULESET,3083,92,NULL},
+    {STEP_RULESET,3083,92,"0"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,3175,33,NULL},
+    {STEP_RULESET,3175,33,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,3208,298,NULL},
-    {STEP_RULESET,3506,342,NULL},
-    {STEP_RULESET,3848,83,NULL},
+    {STEP_RULESET,3208,298,"1"},
+    {STEP_RULESET,3506,342,"0"},
+    {STEP_RULESET,3848,83,"0"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,3931,87,NULL},
+    {STEP_RULESET,3931,87,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,4018,116,NULL},
+    {STEP_RULESET,4018,116,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
     {STEP_TRANSFORM,-1,-1,"Tamil-InterIndic"},
     {STEP_TRANSFORM,-1,-1,"InterIndic-Latin"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
-    {STEP_RULESET,4134,64,NULL},
+    {STEP_RULESET,4134,64,"0"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,4198,70,NULL},
+    {STEP_RULESET,4198,70,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
     {STEP_TRANSFORM,-1,-1,"Telugu-InterIndic"},
     {STEP_TRANSFORM,-1,-1,"InterIndic-Latin"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
-    {STEP_RULESET,4268,35,NULL},
+    {STEP_RULESET,4268,35,"0"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,4303,322,NULL},
-    {STEP_RULESET,4625,83,NULL},
+    {STEP_RULESET,4303,322,"1"},
+    {STEP_RULESET,4625,83,"0"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,4708,96,NULL},
+    {STEP_RULESET,4708,96,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
     {STEP_TRANSFORM,-1,-1,"Hiragana-Katakana"},
@@ -6930,7 +6930,7 @@ transliteration_step_source_t steps_source[] = {
     {STEP_TRANSFORM,-1,-1,"InterIndic-Latin"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFKD"},
-    {STEP_RULESET,4804,108,NULL},
+    {STEP_RULESET,4804,108,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
     {STEP_TRANSFORM,-1,-1,"Kannada-InterIndic"},
@@ -6943,47 +6943,47 @@ transliteration_step_source_t steps_source[] = {
     {STEP_TRANSFORM,-1,-1,"ThaiLogical-Latin"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,4912,97,NULL},
+    {STEP_RULESET,4912,97,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
     {STEP_TRANSFORM,-1,-1,"Oriya-InterIndic"},
     {STEP_TRANSFORM,-1,-1,"InterIndic-Latin"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,5009,137,NULL},
+    {STEP_RULESET,5009,137,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,5146,101,NULL},
+    {STEP_RULESET,5146,101,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,5247,190,NULL},
+    {STEP_RULESET,5247,190,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFKD"},
-    {STEP_RULESET,5437,84,NULL},
+    {STEP_RULESET,5437,84,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
     {STEP_TRANSFORM,-1,-1,"Malayalam-InterIndic"},
     {STEP_TRANSFORM,-1,-1,"InterIndic-Latin"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
-    {STEP_RULESET,5521,106,NULL},
+    {STEP_RULESET,5521,106,"0"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,5627,79,NULL},
+    {STEP_RULESET,5627,79,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
     {STEP_TRANSFORM,-1,-1,"Gurmukhi-InterIndic"},
     {STEP_TRANSFORM,-1,-1,"InterIndic-Latin"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFD"},
-    {STEP_RULESET,5706,1,NULL},
+    {STEP_RULESET,5706,1,"1"},
     {STEP_UNICODE_NORMALIZATION,-1,-1,"NFC"},
-    {STEP_RULESET,5707,681,NULL},
-    {STEP_RULESET,6388,6,NULL},
-    {STEP_RULESET,6394,86,NULL},
-    {STEP_RULESET,6480,81,NULL},
-    {STEP_RULESET,6561,75,NULL},
-    {STEP_RULESET,6636,1,NULL},
+    {STEP_RULESET,5707,681,"3"},
+    {STEP_RULESET,6388,6,"0"},
+    {STEP_RULESET,6394,86,"1"},
+    {STEP_RULESET,6480,81,"0"},
+    {STEP_RULESET,6561,75,"0"},
+    {STEP_RULESET,6636,1,"0"},
     {STEP_TRANSFORM,-1,-1,"Han-Spacedhan"},
-    {STEP_RULESET,6637,38,NULL},
-    {STEP_RULESET,6675,2,NULL},
+    {STEP_RULESET,6637,38,"2"},
+    {STEP_RULESET,6675,2,"3"},
     {STEP_TRANSFORM,-1,-1,"Han-Latin"},
-    {STEP_RULESET,6677,86,NULL},
-    {STEP_RULESET,6763,81,NULL}
+    {STEP_RULESET,6677,86,"0"},
+    {STEP_RULESET,6763,81,"0"}
 };
 
 transliterator_source_t transliterators_source[] = {