CLDR-18155 Set Latin as the default script for Old Irish

Author: conradarcturus

common/supplemental/likelySubtags.xml

@@ -649,7 +649,7 @@ not be patched by hand, as any changes made in that fashion may be lost.
 		<likelySubtag from="sei" to="sei_Latn_MX"/>		<!--Seri‧?‧?	➡ Seri‧Latin‧Mexico-->
 		<likelySubtag from="ses" to="ses_Latn_ML"/>		<!--Koyraboro Senni‧?‧?	➡ Koyraboro Senni‧Latin‧Mali-->
 		<likelySubtag from="sg" to="sg_Latn_CF"/>		<!--Sango‧?‧?	➡ Sango‧Latin‧Central African Republic-->
-		<likelySubtag from="sga" to="sga_Ogam_IE"/>		<!--Old Irish‧?‧?	➡ Old Irish‧Ogham‧Ireland-->
+		<likelySubtag from="sga" to="sga_Latn_IE"/>		<!--Old Irish‧?‧?	➡ Old Irish‧Latin‧Ireland-->
 		<likelySubtag from="sgs" to="sgs_Latn_LT"/>		<!--Samogitian‧?‧?	➡ Samogitian‧Latin‧Lithuania-->
 		<likelySubtag from="shi" to="shi_Tfng_MA"/>		<!--Tachelhit‧?‧?	➡ Tachelhit‧Tifinagh‧Morocco-->
 		<likelySubtag from="shn" to="shn_Mymr_MM"/>		<!--Shan‧?‧?	➡ Shan‧Myanmar‧Myanmar (Burma)-->

common/supplemental/supplementalData.xml

@@ -2198,7 +2198,8 @@ XXX Code for transations where no currency is involved
 		<language type="sel" scripts="Cyrl"/>
 		<language type="ses" scripts="Latn"/>
 		<language type="sg" scripts="Latn" territories="CF"/>
-		<language type="sga" scripts="Ogam Latn" alt="secondary"/>
+		<language type="sga" scripts="Latn"/>
+		<language type="sga" scripts="Ogam" alt="secondary"/>
 		<language type="sgs" scripts="Latn"/>
 		<language type="shi" scripts="Tfng Latn Arab"/>
 		<language type="shi" territories="MA" alt="secondary"/>

tools/cldr-code/src/main/java/org/unicode/cldr/tool/GenerateLikelySubtags.java

@@ -498,6 +498,10 @@ public static void main(String[] args) throws IOException {
                                 {"arc_Hatr", "arc_Hatr_IQ"},
                                 {"hnj_Hmng", "hnj_Hmng_LA"},
                                 {"bap_Krai", "bap_Krai_IN"},
+                                
+                                // Temporary additions to fix bad script mappings
+                                // See https://unicode-org.atlassian.net/browse/CLDR-18121
+                                {"sga", "sga_Latn_IE"},
                             });
 
     /**

tools/cldr-code/src/main/resources/org/unicode/cldr/util/data/language_script.tsv

@@ -751,7 +751,7 @@ sei	Seri	primary	Latn	Latin
 sel	Selkup	primary	Cyrl	Cyrillic
 ses	Koyraboro Senni	primary	Latn	Latin
 sg	Sango	primary	Latn	Latin
-sga	Old Irish	secondary	Latn	Latin
+sga	Old Irish	primary	Latn	Latin
 sga	Old Irish	secondary	Ogam	Ogham
 sgs	Samogitian	primary	Latn	Latin
 shi	Tachelhit	primary	Arab	Arabic