diff --git a/core/tests/unit/ldml/keyboards/k_020_fr.xml b/core/tests/unit/ldml/keyboards/k_020_fr.xml
index a5fd85f1a3..297062e5d1 100644
--- a/core/tests/unit/ldml/keyboards/k_020_fr.xml
+++ b/core/tests/unit/ldml/keyboards/k_020_fr.xml
@@ -16,7 +16,7 @@
 		<!-- Note: displays is only used for keycap presentation -->
 		<!-- this example is not required for this keyboard as we use the spacing
 			modifiers -->
-		<display output="\u0300" display="\u02CB" /> <!-- display combining grave as modifier letter
+		<display output="\u{0300}" display="\u{02CB}" /> <!-- display combining grave as modifier letter
 		grave ˋ -->
 		<!-- Note: We discussed why the existing displayMap was used for display.
 			rather than adding something closer to the key layout. 1. This way we can
diff --git a/core/tests/unit/ldml/keyboards/k_200_reorder_nod_Lana.xml b/core/tests/unit/ldml/keyboards/k_200_reorder_nod_Lana.xml
index 183c28278c..f5f5adf753 100644
--- a/core/tests/unit/ldml/keyboards/k_200_reorder_nod_Lana.xml
+++ b/core/tests/unit/ldml/keyboards/k_200_reorder_nod_Lana.xml
@@ -35,12 +35,12 @@
   <transforms type="simple">
     <transformGroup>
       <!-- from the spec: nod-Lana for ᩅᩫ᩶  -->
-      <reorder from="\u1A60" order="127" />
-      <reorder from="\u1A6B" order="42" />
-      <reorder from="[\u1A75-\u1A79]" order="55" />
-      <reorder before="\u1A6B" from="\u1A60\u1A45" order="10" />
-      <reorder before="\u1A6B[\u1A75-\u1A79]" from="\u1A60\u1A45" order="10" />
-      <reorder before="\u1A6B" from="\u1A60[\u1A75-\u1A79]\u1A45" order="10 55 10" />
+      <reorder from="\u{1A60}" order="127" />
+      <reorder from="\u{1A6B}" order="42" />
+      <reorder from="[\u{1A75}-\u{1A79}]" order="55" />
+      <reorder before="\u{1A6B}" from="\u{1A60}\u{1A45}" order="10" />
+      <reorder before="\u{1A6B}[\u{1A75}-\u{1A79}]" from="\u{1A60}\u{1A45}" order="10" />
+      <reorder before="\u{1A6B}" from="\u{1A60}[\u{1A75}-\u{1A79}]\u{1A45}" order="10 55 10" />
     </transformGroup>
   </transforms>
 </keyboard3>
diff --git a/developer/src/kmc-ldml/test/fixtures/basic.xml b/developer/src/kmc-ldml/test/fixtures/basic.xml
index 0044812652..275aa0f437 100644
--- a/developer/src/kmc-ldml/test/fixtures/basic.xml
+++ b/developer/src/kmc-ldml/test/fixtures/basic.xml
@@ -48,7 +48,7 @@
 
     <transformGroup>
       <!-- Northern Thai example from spec -->
-      <reorder before="\u{1A6B}" from="\u{1A60}[\u1A75-\u1A79]\u{1A45}" order="10 55 10" />
+      <reorder before="\u{1A6B}" from="\u{1A60}[\u{1A75}-\u{1A79}]\u{1A45}" order="10 55 10" />
     </transformGroup>
   </transforms>
 
diff --git a/developer/src/kmc-ldml/test/fixtures/sections/ordr/nod-Lana.xml b/developer/src/kmc-ldml/test/fixtures/sections/ordr/nod-Lana.xml
index 8395ea581a..ec1fe5c6e8 100644
--- a/developer/src/kmc-ldml/test/fixtures/sections/ordr/nod-Lana.xml
+++ b/developer/src/kmc-ldml/test/fixtures/sections/ordr/nod-Lana.xml
@@ -8,12 +8,12 @@
   <transforms type="simple">
     <transformGroup>
       <!-- from the spec: nod-Lana for ᩅᩫ᩶  -->
-      <reorder from="\u1A60" order="127" />
-      <reorder from="\u1A6B" order="42" />
-      <reorder from="[\u1A75-\u1A79]" order="55" />
-      <reorder before="\u1A6B" from="\u1A60\u1A45" order="10" />
-      <reorder before="\u1A6B[\u1A75-\u1A79]" from="\u1A60\u1A45" order="10" />
-      <reorder before="\u1A6B" from="\u1A60[\u1A75-\u1A79]\u1A45" order="10 55 10" />
+      <reorder from="\u{1A60}" order="127" />
+      <reorder from="\u{1A6B}" order="42" />
+      <reorder from="[\u{1A75}-\u{1A79}]" order="55" />
+      <reorder before="\u{1A6B}" from="\u{1A60}\u{1A45}" order="10" />
+      <reorder before="\u{1A6B}[\u{1A75}-\u{1A79}]" from="\u{1A60}\u{1A45}" order="10" />
+      <reorder before="\u{1A6B}" from="\u{1A60}[\u{1A75}-\u{1A79}]\u{1A45}" order="10 55 10" />
     </transformGroup>
   </transforms>
 </keyboard3>
diff --git a/developer/src/kmc-ldml/test/fixtures/sections/strs/warn-unassigned.xml b/developer/src/kmc-ldml/test/fixtures/sections/strs/warn-unassigned.xml
index 571fd2d4da..553795a0df 100644
--- a/developer/src/kmc-ldml/test/fixtures/sections/strs/warn-unassigned.xml
+++ b/developer/src/kmc-ldml/test/fixtures/sections/strs/warn-unassigned.xml
@@ -46,7 +46,7 @@
 
     <transformGroup>
       <!-- Northern Thai example from spec -->
-      <reorder before="\u{1A6B}" from="\u{1A60}[\u1A75-\u1A79]\u{1A45}" order="10 55 10" />
+      <reorder before="\u{1A6B}" from="\u{1A60}[\u{1A75}-\u{1A79}]\u{1A45}" order="10 55 10" />
     </transformGroup>
   </transforms>
 
diff --git a/resources/standards-data/ldml-keyboards/techpreview/3.0/bn.xml b/resources/standards-data/ldml-keyboards/techpreview/3.0/bn.xml
index 167416e944..a4b4133591 100644
--- a/resources/standards-data/ldml-keyboards/techpreview/3.0/bn.xml
+++ b/resources/standards-data/ldml-keyboards/techpreview/3.0/bn.xml
@@ -129,7 +129,7 @@
     <transforms type="simple">
         <transformGroup>
             <transform from="\u{09C7}\m{A}" to="\u{09CC}" /> <!-- E + lengthener = AU -->
-            <!-- <transform from="\u{09C7}\u{09BE}" to="\u09CB" /> --> <!-- E + O = O This is handled by normalization. -->
+            <!-- <transform from="\u{09C7}\u{09BE}" to="\u{09CB}" /> --> <!-- E + O = O This is handled by normalization. -->
 
             <!-- these suport the 'q' key -->
             <transform from="\m{q}:" to="\u{0983}" />
diff --git a/resources/standards-data/ldml-keyboards/techpreview/3.0/fr-t-k0-optimise.xml b/resources/standards-data/ldml-keyboards/techpreview/3.0/fr-t-k0-optimise.xml
index 8db073cc76..b8c6f76b47 100644
--- a/resources/standards-data/ldml-keyboards/techpreview/3.0/fr-t-k0-optimise.xml
+++ b/resources/standards-data/ldml-keyboards/techpreview/3.0/fr-t-k0-optimise.xml
@@ -8,7 +8,7 @@
 	<info author="Team Keyboard" name="French AZERTY optimisé" layout="AZERTY" indicator="FR" />
 
 	<displays>
-    <display output="\u0300" display="${grave}" />
+    <display output="\u{0300}" display="${grave}" />
     <display output="\m{acute}" display="´" />
     <display output="\m{grave}" display="`" />
     <display output="\m{umlaut}" display="¨" />
@@ -191,9 +191,9 @@
 		<transformGroup>
 			<!-- this is a reorder group -->
 			<!-- nod-Lana partial example -->
-			<reorder from="\u1A60" order="127" />
-			<reorder from="\u1A6B" order="42" />
-			<reorder from="[\u1A75-\u1A79]" order="55" />
+			<reorder from="\u{1A60}" order="127" />
+			<reorder from="\u{1A6B}" order="42" />
+			<reorder from="[\u{1A75}-\u{1A79}]" order="55" />
 			<!-- ... partial example ... -->
 		</transformGroup>
 	</transforms>