diff --git a/java/res/xml-sw768dp/rows_arabic.xml b/java/res/xml-sw768dp/rows_arabic.xml
index 8720217..ac6e459 100644
--- a/java/res/xml-sw768dp/rows_arabic.xml
+++ b/java/res/xml-sw768dp/rows_arabic.xml
@@ -30,53 +30,53 @@
             latin:keyStyle="tabKeyStyle"
             latin:keyLabelFlags="alignLeft"
             latin:keyWidth="7.500%p" />
-        <!-- \u0636: "ض" ARABIC LETTER DAD -->
+        <!-- U+0636: "ض" ARABIC LETTER DAD -->
         <Key
-            latin:keyLabel="\u0636" />
-        <!-- \u0635: "ص" ARABIC LETTER SAD -->
+            latin:keyLabel="&#x0636;" />
+        <!-- U+0635: "ص" ARABIC LETTER SAD -->
         <Key
-            latin:keyLabel="\u0635" />
-        <!-- \u062b: "ث" ARABIC LETTER THEH -->
+            latin:keyLabel="&#x0635;" />
+        <!-- U+062B: "ث" ARABIC LETTER THEH -->
         <Key
-            latin:keyLabel="\u062b" />
-        <!-- \u0642: "ق" ARABIC LETTER QAF
-             \u06a8: "ڨ" ARABIC LETTER QAF WITH THREE DOTS ABOVE -->
-        <!-- TODO: DroidSansArabic lacks the glyph of \u06a8 ARABIC LETTER QAF WITH THREE DOTS ABOVE -->
+            latin:keyLabel="&#x062B;" />
+        <!-- U+0642: "ق" ARABIC LETTER QAF
+             U+06A8: "ڨ" ARABIC LETTER QAF WITH THREE DOTS ABOVE -->
+        <!-- TODO: DroidSansArabic lacks the glyph of U+06A8 ARABIC LETTER QAF WITH THREE DOTS ABOVE -->
         <Key
-            latin:keyLabel="\u0642"
-            latin:moreKeys="\u06a8" />
-        <!-- \u0641: "ف" ARABIC LETTER FEH
-             \u06a4: "ڤ" ARABIC LETTER VEH
-             \u06a2: "ڢ" ARABIC LETTER FEH WITH DOT MOVED BELOW
-             \u06a5: "ڥ" ARABIC LETTER FEH WITH THREE DOTS BELOW -->
-        <!-- TODO: DroidSansArabic lacks the glyph of \u06a2 ARABIC LETTER FEH WITH DOT MOVED BELOW -->
-        <!-- TODO: DroidSansArabic lacks the glyph of \u06a5 ARABIC LETTER FEH WITH THREE DOTS BELOW -->
+            latin:keyLabel="&#x0642;"
+            latin:moreKeys="&#x06A8;" />
+        <!-- U+0641: "ف" ARABIC LETTER FEH
+             U+06A4: "ڤ" ARABIC LETTER VEH
+             U+06A2: "ڢ" ARABIC LETTER FEH WITH DOT MOVED BELOW
+             U+06A5: "ڥ" ARABIC LETTER FEH WITH THREE DOTS BELOW -->
+        <!-- TODO: DroidSansArabic lacks the glyph of U+06A2 ARABIC LETTER FEH WITH DOT MOVED BELOW -->
+        <!-- TODO: DroidSansArabic lacks the glyph of U+06A5 ARABIC LETTER FEH WITH THREE DOTS BELOW -->
         <Key
-            latin:keyLabel="\u0641"
-            latin:moreKeys="\u06a4,\u06a2,\u06a5" />
-        <!-- \u063a: "غ" ARABIC LETTER GHAIN -->
+            latin:keyLabel="&#x0641;"
+            latin:moreKeys="&#x06A4;,&#x06A2;,&#x06A5;" />
+        <!-- U+063A: "غ" ARABIC LETTER GHAIN -->
         <Key
-            latin:keyLabel="\u063a" />
-        <!-- \u0639: "ع" ARABIC LETTER AIN -->
+            latin:keyLabel="&#x063A;" />
+        <!-- U+0639: "ع" ARABIC LETTER AIN -->
         <Key
-            latin:keyLabel="\u0639" />
-        <!-- \u0647: "ه" ARABIC LETTER HEH
-             \ufeeb: "ﻫ" ARABIC LETTER HEH INITIAL FORM
-             \u0647\u200d: ARABIC LETTER HEH + ZERO WIDTH JOINER -->
+            latin:keyLabel="&#x0639;" />
+        <!-- U+0647: "ه" ARABIC LETTER HEH
+             U+FEEB: "ﻫ" ARABIC LETTER HEH INITIAL FORM
+             U+0647 U+200D: ARABIC LETTER HEH + ZERO WIDTH JOINER -->
         <Key
-            latin:keyLabel="\u0647"
-            latin:moreKeys="\ufeeb|\u0647\u200d" />
-        <!-- \u062e: "خ" ARABIC LETTER KHAH -->
+            latin:keyLabel="&#x0647;"
+            latin:moreKeys="&#xFEEB;|&#x0647;&#x200D;" />
+        <!-- U+062E: "خ" ARABIC LETTER KHAH -->
         <Key
-            latin:keyLabel="\u062e" />
-        <!-- \u062d: "ح" ARABIC LETTER HAH -->
+            latin:keyLabel="&#x062E;" />
+        <!-- U+062D: "ح" ARABIC LETTER HAH -->
         <Key
-            latin:keyLabel="\u062d" />
-        <!-- \u062c: "ج" ARABIC LETTER JEEM
-             \u0686: "چ" ARABIC LETTER TCHEH -->
+            latin:keyLabel="&#x062D;" />
+        <!-- U+062C: "ج" ARABIC LETTER JEEM
+             U+0686: "چ" ARABIC LETTER TCHEH -->
         <Key
-            latin:keyLabel="\u062c"
-            latin:moreKeys="\u0686" />
+            latin:keyLabel="&#x062C;"
+            latin:moreKeys="&#x0686;" />
         <Key
             latin:keyStyle="deleteKeyStyle"
             latin:keyXPos="-11.500%p"
@@ -89,64 +89,64 @@
             latin:keyStyle="toSymbolKeyStyle"
             latin:keyLabelFlags="alignLeft"
             latin:keyWidth="9.375%p" />
-        <!-- \u0634: "ش" ARABIC LETTER SHEEN
-             \u069c: "ڜ" ARABIC LETTER SEEN WITH THREE DOTS BELOW AND THREE DOTS ABOVE -->
-        <!-- TODO: DroidSansArabic lacks the glyph of \u069c ARABIC LETTER SEEN WITH THREE DOTS BELOW AND THREE DOTS ABOVE -->
+        <!-- U+0634: "ش" ARABIC LETTER SHEEN
+             U+069C: "ڜ" ARABIC LETTER SEEN WITH THREE DOTS BELOW AND THREE DOTS ABOVE -->
+        <!-- TODO: DroidSansArabic lacks the glyph of U+069C ARABIC LETTER SEEN WITH THREE DOTS BELOW AND THREE DOTS ABOVE -->
         <Key
-            latin:keyLabel="\u0634"
-            latin:moreKeys="\u069c" />
-        <!-- \u0633: "س" ARABIC LETTER SEEN -->
+            latin:keyLabel="&#x0634;"
+            latin:moreKeys="&#x069C;" />
+        <!-- U+0633: "س" ARABIC LETTER SEEN -->
         <Key
-            latin:keyLabel="\u0633" />
-        <!-- \u064a: "ي" ARABIC LETTER YEH
-             \u0626: "ئ" ARABIC LETTER YEH WITH HAMZA ABOVE
-             \u0649: "ى" ARABIC LETTER ALEF MAKSURA -->
+            latin:keyLabel="&#x0633;" />
+        <!-- U+064A: "ي" ARABIC LETTER YEH
+             U+0626: "ئ" ARABIC LETTER YEH WITH HAMZA ABOVE
+             U+0649: "ى" ARABIC LETTER ALEF MAKSURA -->
         <Key
-            latin:keyLabel="\u064a"
-            latin:moreKeys="\u0626,\u0649" />
-        <!-- \u0628: "ب" ARABIC LETTER BEH
-             \u067e: "پ" ARABIC LETTER PEH -->
+            latin:keyLabel="&#x064A;"
+            latin:moreKeys="&#x0626;,&#x0649;" />
+        <!-- U+0628: "ب" ARABIC LETTER BEH
+             U+067E: "پ" ARABIC LETTER PEH -->
         <Key
-            latin:keyLabel="\u0628"
-            latin:moreKeys="\u067e" />
-        <!-- \u0644: "ل" ARABIC LETTER LAM
-             \ufefb: "ﻻ" ARABIC LIGATURE LAM WITH ALEF ISOLATED FORM
-             \u0627: "ا" ARABIC LETTER ALEF
-             \ufef7: "ﻷ" ARABIC LIGATURE LAM WITH ALEF WITH HAMZA ABOVE ISOLATED FORM
-             \u0623: "أ" ARABIC LETTER ALEF WITH HAMZA ABOVE
-             \ufef9: "ﻹ" ARABIC LIGATURE LAM WITH ALEF WITH HAMZA BELOW ISOLATED FORM
-             \u0625: "إ" ARABIC LETTER ALEF WITH HAMZA BELOW
-             \ufef5: "ﻵ" ARABIC LIGATURE LAM WITH ALEF WITH MADDA ABOVE ISOLATED FORM
-             \u0622: "آ" ARABIC LETTER ALEF WITH MADDA ABOVE -->
+            latin:keyLabel="&#x0628;"
+            latin:moreKeys="&#x067E;" />
+        <!-- U+0644: "ل" ARABIC LETTER LAM
+             U+FEFB: "ﻻ" ARABIC LIGATURE LAM WITH ALEF ISOLATED FORM
+             U+0627: "ا" ARABIC LETTER ALEF
+             U+FEF7: "ﻷ" ARABIC LIGATURE LAM WITH ALEF WITH HAMZA ABOVE ISOLATED FORM
+             U+0623: "أ" ARABIC LETTER ALEF WITH HAMZA ABOVE
+             U+FEF9: "ﻹ" ARABIC LIGATURE LAM WITH ALEF WITH HAMZA BELOW ISOLATED FORM
+             U+0625: "إ" ARABIC LETTER ALEF WITH HAMZA BELOW
+             U+FEF5: "ﻵ" ARABIC LIGATURE LAM WITH ALEF WITH MADDA ABOVE ISOLATED FORM
+             U+0622: "آ" ARABIC LETTER ALEF WITH MADDA ABOVE -->
         <Key
-            latin:keyLabel="\u0644"
-            latin:moreKeys="\ufefb|\u0644\u0627,\ufef7|\u0644\u0623,\ufef9|\u0644\u0625,\ufef5|\u0644\u0622" />
-        <!-- \u0627: "ا" ARABIC LETTER ALEF
-             \u0621: "ء" ARABIC LETTER HAMZA
-             \u0671: "ٱ" ARABIC LETTER ALEF WASLA
-             \u0623: "أ" ARABIC LETTER ALEF WITH HAMZA ABOVE
-             \u0625: "إ" ARABIC LETTER ALEF WITH HAMZA BELOW
-             \u0622: "آ" ARABIC LETTER ALEF WITH MADDA ABOVE -->
+            latin:keyLabel="&#x0644;"
+            latin:moreKeys="&#xFEFB;|&#x0644;&#x0627;,&#xFEF7;|&#x0644;&#x0623;,&#xFEF9;|&#x0644;&#x0625;,&#xFEF5;|&#x0644;&#x0622;" />
+        <!-- U+0627: "ا" ARABIC LETTER ALEF
+             U+0621: "ء" ARABIC LETTER HAMZA
+             U+0671: "ٱ" ARABIC LETTER ALEF WASLA
+             U+0623: "أ" ARABIC LETTER ALEF WITH HAMZA ABOVE
+             U+0625: "إ" ARABIC LETTER ALEF WITH HAMZA BELOW
+             U+0622: "آ" ARABIC LETTER ALEF WITH MADDA ABOVE -->
         <Key
-            latin:keyLabel="\u0627"
-            latin:moreKeys="\u0621,\u0671,\u0623,\u0625,\u0622" />
-        <!-- \u062a: "ت" ARABIC LETTER TEH -->
+            latin:keyLabel="&#x0627;"
+            latin:moreKeys="&#x0621;,&#x0671;,&#x0623;,&#x0625;,&#x0622;" />
+        <!-- U+062A: "ت" ARABIC LETTER TEH -->
         <Key
-            latin:keyLabel="\u062a" />
-        <!-- \u0646: "ن" ARABIC LETTER NOON -->
+            latin:keyLabel="&#x062A;" />
+        <!-- U+0646: "ن" ARABIC LETTER NOON -->
         <Key
-            latin:keyLabel="\u0646" />
-        <!-- \u0645: "م" ARABIC LETTER MEEM -->
+            latin:keyLabel="&#x0646;" />
+        <!-- U+0645: "م" ARABIC LETTER MEEM -->
         <Key
-            latin:keyLabel="\u0645" />
-        <!-- \u0643: "ك" ARABIC LETTER KAF
-             \u06af: "گ" ARABIC LETTER GAF -->
+            latin:keyLabel="&#x0645;" />
+        <!-- U+0643: "ك" ARABIC LETTER KAF
+             U+06AF: "گ" ARABIC LETTER GAF -->
         <Key
-            latin:keyLabel="\u0643"
-            latin:moreKeys="\u06af" />
-        <!-- \u0637: "ط" ARABIC LETTER TAH -->
+            latin:keyLabel="&#x0643;"
+            latin:moreKeys="&#x06AF;" />
+        <!-- U+0637: "ط" ARABIC LETTER TAH -->
         <Key
-            latin:keyLabel="\u0637" />
+            latin:keyLabel="&#x0637;" />
         <Key
             latin:keyStyle="enterKeyStyle"
             latin:keyXPos="-9.375%p"
@@ -155,42 +155,42 @@
     <Row
         latin:keyWidth="7.375%p"
     >
-        <!-- \u0626: "ئ" ARABIC LETTER YEH WITH HAMZA ABOVE -->
+        <!-- U+0626: "ئ" ARABIC LETTER YEH WITH HAMZA ABOVE -->
         <Key
-            latin:keyLabel="\u0626"
+            latin:keyLabel="&#x0626;"
             latin:keyXPos="12.750%p" />
-        <!-- \u0621: "ء" ARABIC LETTER HAMZA -->
+        <!-- U+0621: "ء" ARABIC LETTER HAMZA -->
         <Key
-            latin:keyLabel="\u0621" />
-        <!-- \u0624: "ؤ" ARABIC LETTER WAW WITH HAMZA ABOVE -->
+            latin:keyLabel="&#x0621;" />
+        <!-- U+0624: "ؤ" ARABIC LETTER WAW WITH HAMZA ABOVE -->
         <Key
-            latin:keyLabel="\u0624" />
-        <!-- \u0631: "ر" ARABIC LETTER REH -->
+            latin:keyLabel="&#x0624;" />
+        <!-- U+0631: "ر" ARABIC LETTER REH -->
         <Key
-            latin:keyLabel="\u0631" />
-        <!-- \u0630: "ذ" ARABIC LETTER THAL -->
+            latin:keyLabel="&#x0631;" />
+        <!-- U+0630: "ذ" ARABIC LETTER THAL -->
         <Key
-            latin:keyLabel="\u0630" />
-        <!-- \u0649: "ى" ARABIC LETTER ALEF MAKSURA -->
+            latin:keyLabel="&#x0630;" />
+        <!-- U+0649: "ى" ARABIC LETTER ALEF MAKSURA -->
         <Key
-            latin:keyLabel="\u0649" />
-        <!-- \u0629: "ة" ARABIC LETTER TEH MARBUTA -->
+            latin:keyLabel="&#x0649;" />
+        <!-- U+0629: "ة" ARABIC LETTER TEH MARBUTA -->
         <Key
-            latin:keyLabel="\u0629" />
-        <!-- \u0648: "و" ARABIC LETTER WAW -->
+            latin:keyLabel="&#x0629;" />
+        <!-- U+0648: "و" ARABIC LETTER WAW -->
         <Key
-            latin:keyLabel="\u0648" />
-        <!-- \u0632: "ز" ARABIC LETTER ZAIN
-             \u0698: "ژ" ARABIC LETTER JEH -->
+            latin:keyLabel="&#x0648;" />
+        <!-- U+0632: "ز" ARABIC LETTER ZAIN
+             U+0698: "ژ" ARABIC LETTER JEH -->
         <Key
-            latin:keyLabel="\u0632"
-            latin:moreKeys="\u0698" />
-        <!-- \u0638: "ظ" ARABIC LETTER ZAH -->
+            latin:keyLabel="&#x0632;"
+            latin:moreKeys="&#x0698;" />
+        <!-- U+0638: "ظ" ARABIC LETTER ZAH -->
         <Key
-            latin:keyLabel="\u0638" />
-        <!-- \u062f: "د" ARABIC LETTER DAL -->
+            latin:keyLabel="&#x0638;" />
+        <!-- U+062F: "د" ARABIC LETTER DAL -->
         <Key
-            latin:keyLabel="\u062f" />
+            latin:keyLabel="&#x062F;" />
     </Row>
     <include
         latin:keyboardLayout="@xml/row_qwerty4" />
diff --git a/java/res/xml-sw768dp/rows_bulgarian.xml b/java/res/xml-sw768dp/rows_bulgarian.xml
index 844744e..0204dae 100644
--- a/java/res/xml-sw768dp/rows_bulgarian.xml
+++ b/java/res/xml-sw768dp/rows_bulgarian.xml
@@ -29,40 +29,41 @@
         <Key
             latin:keyStyle="tabKeyStyle"
             latin:keyLabelFlags="alignLeft" />
-        <!-- \u0447: "ч" CYRILLIC SMALL LETTER CHE -->
+        <!-- U+0447: "ч" CYRILLIC SMALL LETTER CHE -->
         <Key
-            latin:keyLabel="\u0447" />
-        <!-- \u0448: "ш" CYRILLIC SMALL LETTER SHA -->
+            latin:keyLabel="&#x0447;" />
+        <!-- U+0448: "ш" CYRILLIC SMALL LETTER SHA -->
         <Key
-            latin:keyLabel="\u0448" />
-        <!-- \u0435: "е" CYRILLIC SMALL LETTER IE -->
+            latin:keyLabel="&#x0448;" />
+        <!-- U+0435: "е" CYRILLIC SMALL LETTER IE -->
         <Key
-            latin:keyLabel="\u0435" />
-        <!-- \u0440: "р" CYRILLIC SMALL LETTER ER -->
+            latin:keyLabel="&#x0435;" />
+        <!-- U+0440: "р" CYRILLIC SMALL LETTER ER -->
         <Key
-            latin:keyLabel="\u0440" />
-        <!-- \u0442: "т" CYRILLIC SMALL LETTER TE -->
+            latin:keyLabel="&#x0440;" />
+        <!-- U+0442: "т" CYRILLIC SMALL LETTER TE -->
         <Key
-            latin:keyLabel="\u0442" />
-        <!-- \u044a: "ъ" CYRILLIC SMALL LETTER HARD SIGN -->
+            latin:keyLabel="&#x0442;" />
+        <!-- U+044A: "ъ" CYRILLIC SMALL LETTER HARD SIGN -->
         <Key
-            latin:keyLabel="\u044a" />
-        <!-- \u0443: "у" CYRILLIC SMALL LETTER U -->
+            latin:keyLabel="&#x044A;" />
+        <!-- U+0443: "у" CYRILLIC SMALL LETTER U -->
         <Key
-            latin:keyLabel="\u0443" />
-        <!-- \u0438: "и" CYRILLIC SMALL LETTER I -->
+            latin:keyLabel="&#x0443;" />
+        <!-- U+0438: "и" CYRILLIC SMALL LETTER I
+             U+045D: "ѝ" CYRILLIC SMALL LETTER I WITH GRAVE -->
         <Key
-            latin:keyLabel="\u0438"
-            latin:moreKeys="ѝ" />
-        <!-- \u043e: "о" CYRILLIC SMALL LETTER O -->
+            latin:keyLabel="&#x0438;"
+            latin:moreKeys="&#x045D;" />
+        <!-- U+043E: "о" CYRILLIC SMALL LETTER O -->
         <Key
-            latin:keyLabel="\u043e" />
-        <!-- \u043f: "п" CYRILLIC SMALL LETTER PE -->
+            latin:keyLabel="&#x043E;" />
+        <!-- U+043F: "п" CYRILLIC SMALL LETTER PE -->
         <Key
-            latin:keyLabel="\u043f" />
-        <!-- \u044f: "я" CYRILLIC SMALL LETTER YA -->
+            latin:keyLabel="&#x043F;" />
+        <!-- U+044F: "я" CYRILLIC SMALL LETTER YA -->
         <Key
-            latin:keyLabel="\u044f" />
+            latin:keyLabel="&#x044F;" />
         <Key
             latin:keyStyle="deleteKeyStyle"
             latin:keyWidth="fillBoth" />
@@ -74,39 +75,39 @@
             latin:keyStyle="toSymbolKeyStyle"
             latin:keyLabelFlags="alignLeft"
             latin:keyWidth="9.375%p" />
-        <!-- \u0430: "а" CYRILLIC SMALL LETTER A -->
+        <!-- U+0430: "а" CYRILLIC SMALL LETTER A -->
         <Key
-            latin:keyLabel="\u0430" />
-        <!-- \u0441: "с" CYRILLIC SMALL LETTER ES -->
+            latin:keyLabel="&#x0430;" />
+        <!-- U+0441: "с" CYRILLIC SMALL LETTER ES -->
         <Key
-            latin:keyLabel="\u0441" />
-        <!-- \u0434: "д" CYRILLIC SMALL LETTER DE -->
+            latin:keyLabel="&#x0441;" />
+        <!-- U+0434: "д" CYRILLIC SMALL LETTER DE -->
         <Key
-            latin:keyLabel="\u0434" />
-        <!-- \u0444: "ф" CYRILLIC SMALL LETTER EF -->
+            latin:keyLabel="&#x0434;" />
+        <!-- U+0444: "ф" CYRILLIC SMALL LETTER EF -->
         <Key
-            latin:keyLabel="\u0444" />
-        <!-- \u0433: "г" CYRILLIC SMALL LETTER GHE -->
+            latin:keyLabel="&#x0444;" />
+        <!-- U+0433: "г" CYRILLIC SMALL LETTER GHE -->
         <Key
-            latin:keyLabel="\u0433" />
-        <!-- \u0445: "х" CYRILLIC SMALL LETTER HA -->
+            latin:keyLabel="&#x0433;" />
+        <!-- U+0445: "х" CYRILLIC SMALL LETTER HA -->
         <Key
-            latin:keyLabel="\u0445" />
-        <!-- \u0439: "й" CYRILLIC SMALL LETTER SHORT I -->
+            latin:keyLabel="&#x0445;" />
+        <!-- U+0439: "й" CYRILLIC SMALL LETTER SHORT I -->
         <Key
-            latin:keyLabel="\u0439" />
-        <!-- \u043a: "к" CYRILLIC SMALL LETTER KA -->
+            latin:keyLabel="&#x0439;" />
+        <!-- U+043A: "к" CYRILLIC SMALL LETTER KA -->
         <Key
-            latin:keyLabel="\u043a" />
-        <!-- \u043b: "л" CYRILLIC SMALL LETTER EL -->
+            latin:keyLabel="&#x043A;" />
+        <!-- U+043B: "л" CYRILLIC SMALL LETTER EL -->
         <Key
-            latin:keyLabel="\u043b" />
-        <!-- \u0449: "щ" CYRILLIC SMALL LETTER SHCHA -->
+            latin:keyLabel="&#x043B;" />
+        <!-- U+0449: "щ" CYRILLIC SMALL LETTER SHCHA -->
         <Key
-            latin:keyLabel="\u0449" />
-        <!-- \u044c: "ь" CYRILLIC SMALL LETTER SOFT SIGN -->
+            latin:keyLabel="&#x0449;" />
+        <!-- U+044C: "ь" CYRILLIC SMALL LETTER SOFT SIGN -->
         <Key
-            latin:keyLabel="\u044c" />
+            latin:keyLabel="&#x044C;" />
         <Key
             latin:keyStyle="enterKeyStyle"
             latin:keyWidth="fillBoth" />
@@ -117,30 +118,30 @@
         <Key
             latin:keyStyle="shiftKeyStyle"
             latin:keyWidth="14.375%p" />
-        <!-- \u0437: "з" CYRILLIC SMALL LETTER ZE -->
+        <!-- U+0437: "з" CYRILLIC SMALL LETTER ZE -->
         <Key
-            latin:keyLabel="\u0437" />
-        <!-- \u0436: "ж" CYRILLIC SMALL LETTER ZHE -->
+            latin:keyLabel="&#x0437;" />
+        <!-- U+0436: "ж" CYRILLIC SMALL LETTER ZHE -->
         <Key
-            latin:keyLabel="\u0436" />
-        <!-- \u0446: "ц" CYRILLIC SMALL LETTER TSE -->
+            latin:keyLabel="&#x0436;" />
+        <!-- U+0446: "ц" CYRILLIC SMALL LETTER TSE -->
         <Key
-            latin:keyLabel="\u0446" />
-        <!-- \u0432: "в" CYRILLIC SMALL LETTER VE -->
+            latin:keyLabel="&#x0446;" />
+        <!-- U+0432: "в" CYRILLIC SMALL LETTER VE -->
         <Key
-            latin:keyLabel="\u0432" />
-        <!-- \u0431: "б" CYRILLIC SMALL LETTER BE -->
+            latin:keyLabel="&#x0432;" />
+        <!-- U+0431: "б" CYRILLIC SMALL LETTER BE -->
         <Key
-            latin:keyLabel="\u0431" />
-        <!-- \u043d: "н" CYRILLIC SMALL LETTER EN -->
+            latin:keyLabel="&#x0431;" />
+        <!-- U+043D: "н" CYRILLIC SMALL LETTER EN -->
         <Key
-            latin:keyLabel="\u043d" />
-        <!-- \u043c: "м" CYRILLIC SMALL LETTER EM -->
+            latin:keyLabel="&#x043D;" />
+        <!-- U+043C: "м" CYRILLIC SMALL LETTER EM -->
         <Key
-            latin:keyLabel="\u043c" />
-        <!-- \u044e: "ю" CYRILLIC SMALL LETTER YU -->
+            latin:keyLabel="&#x043C;" />
+        <!-- U+044E: "ю" CYRILLIC SMALL LETTER YU -->
         <Key
-            latin:keyLabel="\u044e" />
+            latin:keyLabel="&#x044E;" />
         <include
             latin:keyboardLayout="@xml/keys_comma_period" />
         <Key
diff --git a/java/res/xml-sw768dp/rows_hebrew.xml b/java/res/xml-sw768dp/rows_hebrew.xml
index a2090ae..c725ee6 100644
--- a/java/res/xml-sw768dp/rows_hebrew.xml
+++ b/java/res/xml-sw768dp/rows_hebrew.xml
@@ -32,30 +32,30 @@
             latin:keyWidth="7.969%p" />
         <include
             latin:keyboardLayout="@xml/keys_apostrophe_dash" />
-        <!-- \u05e7: "ק" HEBREW LETTER QOF -->
+        <!-- U+05E7: "ק" HEBREW LETTER QOF -->
         <Key
-            latin:keyLabel="\u05e7" />
-        <!-- \u05e8: "ר" HEBREW LETTER RESH -->
+            latin:keyLabel="&#x05E7;" />
+        <!-- U+05E8: "ר" HEBREW LETTER RESH -->
         <Key
-            latin:keyLabel="\u05e8" />
-        <!-- \u05d0: "א" HEBREW LETTER ALEF -->
+            latin:keyLabel="&#x05E8;" />
+        <!-- U+05D0: "א" HEBREW LETTER ALEF -->
         <Key
-            latin:keyLabel="\u05d0" />
-        <!-- \u05d8: "ט" HEBREW LETTER TET -->
+            latin:keyLabel="&#x05D0;" />
+        <!-- U+05D8: "ט" HEBREW LETTER TET -->
         <Key
-            latin:keyLabel="\u05d8" />
-        <!-- \u05d5: "ו" HEBREW LETTER VAV -->
+            latin:keyLabel="&#x05D8;" />
+        <!-- U+05D5: "ו" HEBREW LETTER VAV -->
         <Key
-            latin:keyLabel="\u05d5" />
-        <!-- \u05df: "ן" HEBREW LETTER FINAL NUN -->
+            latin:keyLabel="&#x05D5;" />
+        <!-- U+05DF: "ן" HEBREW LETTER FINAL NUN -->
         <Key
-            latin:keyLabel="\u05df" />
-        <!-- \u05dd: "ם" HEBREW LETTER FINAL MEM -->
+            latin:keyLabel="&#x05DF;" />
+        <!-- U+05DD: "ם" HEBREW LETTER FINAL MEM -->
         <Key
-            latin:keyLabel="\u05dd" />
-        <!-- \u05e4: "פ" HEBREW LETTER PE -->
+            latin:keyLabel="&#x05DD;" />
+        <!-- U+05E4: "פ" HEBREW LETTER PE -->
         <Key
-            latin:keyLabel="\u05e4" />
+            latin:keyLabel="&#x05E4;" />
         <Key
             latin:keyStyle="deleteKeyStyle"
             latin:keyXPos="-12.000%p"
@@ -68,75 +68,82 @@
             latin:keyStyle="toSymbolKeyStyle"
             latin:keyLabelFlags="alignLeft"
             latin:keyWidth="11.172%p" />
-        <!-- \u05e9: "ש" HEBREW LETTER SHIN -->
+        <!-- U+05E9: "ש" HEBREW LETTER SHIN -->
         <Key
-            latin:keyLabel="\u05e9" />
-        <!-- \u05d3: "ד" HEBREW LETTER DALET -->
+            latin:keyLabel="&#x05E9;" />
+        <!-- U+05D3: "ד" HEBREW LETTER DALET -->
         <Key
-            latin:keyLabel="\u05d3" />
-        <!-- \u05d2: "ג" HEBREW LETTER GIMEL -->
+            latin:keyLabel="&#x05D3;" />
+        <!-- U+05D2: "ג" HEBREW LETTER GIMEL
+             U+05D2 U+05F3: "ג׳" HEBREW LETTER GIMEL + HEBREW PUNCTUATION GERESH -->
         <Key
-            latin:keyLabel="\u05d2"
-            latin:moreKeys="ג׳" />
-        <!-- \u05db: "כ" HEBREW LETTER KAF -->
+            latin:keyLabel="&#x05D2;"
+            latin:moreKeys="&#x05D2;&#x05F3;" />
+        <!-- U+05DB: "כ" HEBREW LETTER KAF -->
         <Key
-            latin:keyLabel="\u05db" />
-        <!-- \u05e2: "ע" HEBREW LETTER AYIN -->
+            latin:keyLabel="&#x05DB;" />
+        <!-- U+05E2: "ע" HEBREW LETTER AYIN -->
         <Key
-            latin:keyLabel="\u05e2" />
-        <!-- \u05d9: "י" HEBREW LETTER YOD -->
+            latin:keyLabel="&#x05E2;" />
+        <!-- U+05D9: "י" HEBREW LETTER YOD
+             U+05F2 U+05B7: "ײַ" HEBREW LIGATURE YIDDISH DOUBLE YOD + HEBREW POINT PATAH -->
         <Key
-            latin:keyLabel="\u05d9"
-            latin:moreKeys="ײַ" />
-        <!-- \u05d7: "ח" HEBREW LETTER HET -->
+            latin:keyLabel="&#x05D9;"
+            latin:moreKeys="&#x05F2;&#x05B7;" />
+        <!-- U+05D7: "ח" HEBREW LETTER HET
+             U+05D7 U+05F3: "ח׳" HEBREW LETTER HET + HEBREW PUNCTUATION GERESH -->
         <Key
-            latin:keyLabel="\u05d7"
-            latin:moreKeys="ח׳" />
-        <!-- \u05dc: "ל" HEBREW LETTER LAMED -->
+            latin:keyLabel="&#x05D7;"
+            latin:moreKeys="&#x05D7;&#x05F3;" />
+        <!-- U+05DC: "ל" HEBREW LETTER LAMED -->
         <Key
-            latin:keyLabel="\u05dc" />
-        <!-- \u05da: "ך" HEBREW LETTER FINAL KAF -->
+            latin:keyLabel="&#x05DC;" />
+        <!-- U+05DA: "ך" HEBREW LETTER FINAL KAF -->
         <Key
-            latin:keyLabel="\u05da" />
-        <!-- \u05e3: "ף" HEBREW LETTER FINAL PE -->
+            latin:keyLabel="&#x05DA;" />
+        <!-- U+05E3: "ף" HEBREW LETTER FINAL PE -->
         <Key
-            latin:keyLabel="\u05e3" />
+            latin:keyLabel="&#x05E3;" />
     </Row>
     <Row
         latin:keyWidth="8.047%p"
     >
-        <!-- \u05d6: "ז" HEBREW LETTER ZAYIN -->
+        <!-- U+05D6: "ז" HEBREW LETTER ZAYIN
+             U+05D6 U+05F3: "ז׳" HEBREW LETTER ZAYIN + HEBREW PUNCTUATION GERESH -->
         <Key
-            latin:keyLabel="\u05d6"
-            latin:moreKeys="ז׳"
+            latin:keyLabel="&#x05D6;"
+            latin:moreKeys="&#x05D6;&#x05F3;"
             latin:keyXPos="13.829%p" />
-        <!-- \u05e1: "ס" HEBREW LETTER SAMEKH -->
+        <!-- U+05E1: "ס" HEBREW LETTER SAMEKH -->
         <Key
-            latin:keyLabel="\u05e1" />
-        <!-- \u05d1: "ב" HEBREW LETTER BET -->
+            latin:keyLabel="&#x05E1;" />
+        <!-- U+05D1: "ב" HEBREW LETTER BET -->
         <Key
-            latin:keyLabel="\u05d1" />
-        <!-- \u05d4: "ה" HEBREW LETTER HE -->
+            latin:keyLabel="&#x05D1;" />
+        <!-- U+05D4: "ה" HEBREW LETTER HE -->
         <Key
-            latin:keyLabel="\u05d4" />
-        <!-- \u05e0: "נ" HEBREW LETTER NUN -->
+            latin:keyLabel="&#x05D4;" />
+        <!-- U+05E0: "נ" HEBREW LETTER NUN -->
         <Key
-            latin:keyLabel="\u05e0" />
-        <!-- \u05de: "מ" HEBREW LETTER MEM -->
+            latin:keyLabel="&#x05E0;" />
+        <!-- U+05DE: "מ" HEBREW LETTER MEM -->
         <Key
-            latin:keyLabel="\u05de" />
-        <!-- \u05e6: "צ" HEBREW LETTER TSADI -->
+            latin:keyLabel="&#x05DE;" />
+        <!-- U+05E6: "צ" HEBREW LETTER TSADI
+             U+05E6 U+05F3: "צ׳" HEBREW LETTER TSADI + HEBREW PUNCTUATION GERESH -->
         <Key
-            latin:keyLabel="\u05e6"
-            latin:moreKeys="צ׳" />
-        <!-- \u05ea: "ת" HEBREW LETTER TAV -->
+            latin:keyLabel="&#x05E6;"
+            latin:moreKeys="&#x05E6;&#x05F3;" />
+        <!-- U+05EA: "ת" HEBREW LETTER TAV
+             U+05EA U+05F3: "ת׳" HEBREW LETTER TAV + HEBREW PUNCTUATION GERESH -->
         <Key
-            latin:keyLabel="\u05ea"
-            latin:moreKeys="ת׳" />
-        <!-- \u05e5: "ץ" HEBREW LETTER FINAL TSADI -->
+            latin:keyLabel="&#x05EA;"
+            latin:moreKeys="&#x05EA;&#x05F3;" />
+        <!-- U+05E5: "ץ" HEBREW LETTER FINAL TSADI
+             U+05E5 U+05F3: "ץ׳" HEBREW LETTER FINAL TSADI + HEBREW PUNCTUATION GERESH -->
         <Key
-            latin:keyLabel="\u05e5"
-            latin:moreKeys="ץ׳" />
+            latin:keyLabel="&#x05E5;"
+            latin:moreKeys="&#x05E5;&#x05F3;" />
         <Key
             latin:keyStyle="enterKeyStyle"
             latin:keyXPos="-10.400%p"
diff --git a/java/res/xml-sw768dp/rows_serbian.xml b/java/res/xml-sw768dp/rows_serbian.xml
index 89556dd..39907c8 100644
--- a/java/res/xml-sw768dp/rows_serbian.xml
+++ b/java/res/xml-sw768dp/rows_serbian.xml
@@ -29,45 +29,45 @@
         <Key
             latin:keyStyle="tabKeyStyle"
             latin:keyLabelFlags="alignLeft" />
-        <!-- \u0459: "љ" CYRILLIC SMALL LETTER LJE -->
+        <!-- U+0459: "љ" CYRILLIC SMALL LETTER LJE -->
         <Key
-            latin:keyLabel="\u0459" />
-        <!-- \u045a: "њ" CYRILLIC SMALL LETTER NJE -->
+            latin:keyLabel="&#x0459;" />
+        <!-- U+045A: "њ" CYRILLIC SMALL LETTER NJE -->
         <Key
-            latin:keyLabel="\u045a" />
-        <!-- \u0435: "е" CYRILLIC SMALL LETTER IE -->
+            latin:keyLabel="&#x045A;" />
+        <!-- U+0435: "е" CYRILLIC SMALL LETTER IE -->
         <Key
-            latin:keyLabel="\u0435" />
-        <!-- \u0440: "р" CYRILLIC SMALL LETTER ER -->
+            latin:keyLabel="&#x0435;" />
+        <!-- U+0440: "р" CYRILLIC SMALL LETTER ER -->
         <Key
-            latin:keyLabel="\u0440" />
-        <!-- \u0442: "т" CYRILLIC SMALL LETTER TE -->
+            latin:keyLabel="&#x0440;" />
+        <!-- U+0442: "т" CYRILLIC SMALL LETTER TE -->
         <Key
-            latin:keyLabel="\u0442" />
-        <!-- \u0437: "з" CYRILLIC SMALL LETTER ZE -->
+            latin:keyLabel="&#x0442;" />
+        <!-- U+0437: "з" CYRILLIC SMALL LETTER ZE -->
         <Key
-            latin:keyLabel="\u0437" />
-        <!-- \u0443: "у" CYRILLIC SMALL LETTER U -->
+            latin:keyLabel="&#x0437;" />
+        <!-- U+0443: "у" CYRILLIC SMALL LETTER U -->
         <Key
-            latin:keyLabel="\u0443" />
-        <!-- \u0438: "и" CYRILLIC SMALL LETTER I -->
+            latin:keyLabel="&#x0443;" />
+        <!-- U+0438: "и" CYRILLIC SMALL LETTER I -->
         <Key
-            latin:keyLabel="\u0438" />
-        <!-- \u043e: "о" CYRILLIC SMALL LETTER O -->
+            latin:keyLabel="&#x0438;" />
+        <!-- U+043E: "о" CYRILLIC SMALL LETTER O -->
         <Key
-            latin:keyLabel="\u043e" />
-        <!-- \u043f: "п" CYRILLIC SMALL LETTER PE -->
+            latin:keyLabel="&#x043E;" />
+        <!-- U+043F: "п" CYRILLIC SMALL LETTER PE -->
         <Key
-            latin:keyLabel="\u043f" />
-        <!-- \u0448: "ш" CYRILLIC SMALL LETTER SHA -->
+            latin:keyLabel="&#x043F;" />
+        <!-- U+0448: "ш" CYRILLIC SMALL LETTER SHA -->
         <Key
-            latin:keyLabel="\u0448" />
-        <!-- \u0452: "ђ" CYRILLIC SMALL LETTER DJE -->
+            latin:keyLabel="&#x0448;" />
+        <!-- U+0452: "ђ" CYRILLIC SMALL LETTER DJE -->
         <Key
-            latin:keyLabel="\u0452" />
-        <!-- \u0436: "ж" CYRILLIC SMALL LETTER ZHE -->
+            latin:keyLabel="&#x0452;" />
+        <!-- U+0436: "ж" CYRILLIC SMALL LETTER ZHE -->
         <Key
-            latin:keyLabel="\u0436"
+            latin:keyLabel="&#x0436;"
             latin:keyWidth="fillRight" />
     </Row>
     <Row
@@ -77,39 +77,39 @@
             latin:keyStyle="toSymbolKeyStyle"
             latin:keyLabelFlags="alignLeft"
             latin:keyWidth="11.172%p" />
-        <!-- \u0430: "а" CYRILLIC SMALL LETTER A -->
+        <!-- U+0430: "а" CYRILLIC SMALL LETTER A -->
         <Key
-            latin:keyLabel="\u0430" />
-        <!-- \u0441: "с" CYRILLIC SMALL LETTER ES -->
+            latin:keyLabel="&#x0430;" />
+        <!-- U+0441: "с" CYRILLIC SMALL LETTER ES -->
         <Key
-            latin:keyLabel="\u0441" />
-        <!-- \u0434: "д" CYRILLIC SMALL LETTER DE -->
+            latin:keyLabel="&#x0441;" />
+        <!-- U+0434: "д" CYRILLIC SMALL LETTER DE -->
         <Key
-            latin:keyLabel="\u0434" />
-        <!-- \u0444: "ф" CYRILLIC SMALL LETTER EF -->
+            latin:keyLabel="&#x0434;" />
+        <!-- U+0444: "ф" CYRILLIC SMALL LETTER EF -->
         <Key
-            latin:keyLabel="\u0444" />
-        <!-- \u0433: "г" CYRILLIC SMALL LETTER GHE -->
+            latin:keyLabel="&#x0444;" />
+        <!-- U+0433: "г" CYRILLIC SMALL LETTER GHE -->
         <Key
-            latin:keyLabel="\u0433" />
-        <!-- \u0445: "х" CYRILLIC SMALL LETTER HA -->
+            latin:keyLabel="&#x0433;" />
+        <!-- U+0445: "х" CYRILLIC SMALL LETTER HA -->
         <Key
-            latin:keyLabel="\u0445" />
-        <!-- \u0458: "ј" CYRILLIC SMALL LETTER JE -->
+            latin:keyLabel="&#x0445;" />
+        <!-- U+0458: "ј" CYRILLIC SMALL LETTER JE -->
         <Key
-            latin:keyLabel="\u0458" />
-        <!-- \u043a: "к" CYRILLIC SMALL LETTER KA -->
+            latin:keyLabel="&#x0458;" />
+        <!-- U+043A: "к" CYRILLIC SMALL LETTER KA -->
         <Key
-            latin:keyLabel="\u043a" />
-        <!-- \u043b: "л" CYRILLIC SMALL LETTER EL -->
+            latin:keyLabel="&#x043A;" />
+        <!-- U+043B: "л" CYRILLIC SMALL LETTER EL -->
         <Key
-            latin:keyLabel="\u043b" />
-        <!-- \u0447: "ч" CYRILLIC SMALL LETTER CHE -->
+            latin:keyLabel="&#x043B;" />
+        <!-- U+0447: "ч" CYRILLIC SMALL LETTER CHE -->
         <Key
-            latin:keyLabel="\u0447" />
-        <!-- \u045b: "ћ" CYRILLIC SMALL LETTER TSHE -->
+            latin:keyLabel="&#x0447;" />
+        <!-- U+045B: "ћ" CYRILLIC SMALL LETTER TSHE -->
         <Key
-            latin:keyLabel="\u045b" />
+            latin:keyLabel="&#x045B;" />
         <Key
             latin:keyStyle="deleteKeyStyle"
             latin:keyXPos="-9.219%p"
@@ -121,27 +121,27 @@
         <Key
             latin:keyStyle="shiftKeyStyle"
             latin:keyWidth="13.829%p" />
-        <!-- \u0455: "ѕ" CYRILLIC SMALL LETTER DZE -->
+        <!-- U+0455: "ѕ" CYRILLIC SMALL LETTER DZE -->
         <Key
-            latin:keyLabel="\u0455" />
-        <!-- \u045f: "џ" CYRILLIC SMALL LETTER DZHE -->
+            latin:keyLabel="&#x0455;" />
+        <!-- U+045F: "џ" CYRILLIC SMALL LETTER DZHE -->
         <Key
-            latin:keyLabel="\u045f" />
-        <!-- \u0446: "ц" CYRILLIC SMALL LETTER TSE -->
+            latin:keyLabel="&#x045F;" />
+        <!-- U+0446: "ц" CYRILLIC SMALL LETTER TSE -->
         <Key
-            latin:keyLabel="\u0446" />
-        <!-- \u0432: "в" CYRILLIC SMALL LETTER VE -->
+            latin:keyLabel="&#x0446;" />
+        <!-- U+0432: "в" CYRILLIC SMALL LETTER VE -->
         <Key
-            latin:keyLabel="\u0432" />
-        <!-- \u0431: "б" CYRILLIC SMALL LETTER BE -->
+            latin:keyLabel="&#x0432;" />
+        <!-- U+0431: "б" CYRILLIC SMALL LETTER BE -->
         <Key
-            latin:keyLabel="\u0431" />
-        <!-- \u043d: "н" CYRILLIC SMALL LETTER EN -->
+            latin:keyLabel="&#x0431;" />
+        <!-- U+043D: "н" CYRILLIC SMALL LETTER EN -->
         <Key
-            latin:keyLabel="\u043d" />
-        <!-- \u043c: "м" CYRILLIC SMALL LETTER EM -->
+            latin:keyLabel="&#x043D;" />
+        <!-- U+043C: "м" CYRILLIC SMALL LETTER EM -->
         <Key
-            latin:keyLabel="\u043c" />
+            latin:keyLabel="&#x043C;" />
         <include
             latin:keyboardLayout="@xml/keys_comma_period" />
         <Key
diff --git a/java/res/xml-sw768dp/rows_slavic.xml b/java/res/xml-sw768dp/rows_slavic.xml
index deca884..26857ae 100644
--- a/java/res/xml-sw768dp/rows_slavic.xml
+++ b/java/res/xml-sw768dp/rows_slavic.xml
@@ -29,44 +29,44 @@
         <Key
             latin:keyStyle="tabKeyStyle"
             latin:keyLabelFlags="alignLeft" />
-        <!-- \u0439: "й" CYRILLIC SMALL LETTER SHORT I -->
+        <!-- U+0439: "й" CYRILLIC SMALL LETTER SHORT I -->
         <Key
-            latin:keyLabel="\u0439" />
-        <!-- \u0446: "ц" CYRILLIC SMALL LETTER TSE -->
+            latin:keyLabel="&#x0439;" />
+        <!-- U+0446: "ц" CYRILLIC SMALL LETTER TSE -->
         <Key
-            latin:keyLabel="\u0446" />
-        <!-- \u0443: "у" CYRILLIC SMALL LETTER U -->
+            latin:keyLabel="&#x0446;" />
+        <!-- U+0443: "у" CYRILLIC SMALL LETTER U -->
         <Key
-            latin:keyLabel="\u0443"
+            latin:keyLabel="&#x0443;"
             latin:moreKeys="@string/more_keys_for_slavic_u" />
-        <!-- \u043a: "к" CYRILLIC SMALL LETTER KA -->
+        <!-- U+043A: "к" CYRILLIC SMALL LETTER KA -->
         <Key
-            latin:keyLabel="\u043a" />
-        <!-- \u0435: "е" CYRILLIC SMALL LETTER IE -->
+            latin:keyLabel="&#x043A;" />
+        <!-- U+0435: "е" CYRILLIC SMALL LETTER IE -->
         <Key
-            latin:keyLabel="\u0435"
+            latin:keyLabel="&#x0435;"
             latin:moreKeys="@string/more_keys_for_slavic_ye" />
-        <!-- \u043d: "н" CYRILLIC SMALL LETTER EN -->
+        <!-- U+043D: "н" CYRILLIC SMALL LETTER EN -->
         <Key
-            latin:keyLabel="\u043d"
+            latin:keyLabel="&#x043D;"
             latin:moreKeys="@string/more_keys_for_slavic_en" />
-        <!-- \u0433: "г" CYRILLIC SMALL LETTER GHE -->
+        <!-- U+0433: "г" CYRILLIC SMALL LETTER GHE -->
         <Key
-            latin:keyLabel="\u0433" />
-        <!-- \u0448: "ш" CYRILLIC SMALL LETTER SHA -->
+            latin:keyLabel="&#x0433;" />
+        <!-- U+0448: "ш" CYRILLIC SMALL LETTER SHA -->
         <Key
-            latin:keyLabel="\u0448" />
+            latin:keyLabel="&#x0448;" />
         <Key
             latin:keyLabel="@string/keylabel_for_slavic_shcha" />
-        <!-- \u0437: "з" CYRILLIC SMALL LETTER ZE -->
+        <!-- U+0437: "з" CYRILLIC SMALL LETTER ZE -->
         <Key
-            latin:keyLabel="\u0437" />
-        <!-- \u0445: "х" CYRILLIC SMALL LETTER HA -->
+            latin:keyLabel="&#x0437;" />
+        <!-- U+0445: "х" CYRILLIC SMALL LETTER HA -->
         <Key
-            latin:keyLabel="\u0445" />
-        <!-- \u044a: "ъ" CYRILLIC SMALL LETTER HARD SIGN -->
+            latin:keyLabel="&#x0445;" />
+        <!-- U+044A: "ъ" CYRILLIC SMALL LETTER HARD SIGN -->
         <Key
-            latin:keyLabel="\u044a" />
+            latin:keyLabel="&#x044A;" />
         <Key
             latin:keyStyle="deleteKeyStyle"
             latin:keyWidth="fillBoth" />
@@ -78,40 +78,40 @@
             latin:keyStyle="toSymbolKeyStyle"
             latin:keyLabelFlags="alignLeft"
             latin:keyWidth="9.375%p" />
-        <!-- \u0444: "ф" CYRILLIC SMALL LETTER EF -->
+        <!-- U+0444: "ф" CYRILLIC SMALL LETTER EF -->
         <Key
-            latin:keyLabel="\u0444" />
+            latin:keyLabel="&#x0444;" />
         <Key
             latin:keyLabel="@string/keylabel_for_slavic_yery"
             latin:moreKeys="@string/more_keys_for_slavic_yery" />
-        <!-- \u0432: "в" CYRILLIC SMALL LETTER VE -->
+        <!-- U+0432: "в" CYRILLIC SMALL LETTER VE -->
         <Key
-            latin:keyLabel="\u0432" />
-        <!-- \u0430: "а" CYRILLIC SMALL LETTER A -->
+            latin:keyLabel="&#x0432;" />
+        <!-- U+0430: "а" CYRILLIC SMALL LETTER A -->
         <Key
-            latin:keyLabel="\u0430" />
-        <!-- \u043f: "п" CYRILLIC SMALL LETTER PE -->
+            latin:keyLabel="&#x0430;" />
+        <!-- U+043F: "п" CYRILLIC SMALL LETTER PE -->
         <Key
-            latin:keyLabel="\u043f" />
-        <!-- \u0440: "р" CYRILLIC SMALL LETTER ER -->
+            latin:keyLabel="&#x043F;" />
+        <!-- U+0440: "р" CYRILLIC SMALL LETTER ER -->
         <Key
-            latin:keyLabel="\u0440" />
-        <!-- \u043e: "о" CYRILLIC SMALL LETTER O -->
+            latin:keyLabel="&#x0440;" />
+        <!-- U+043E: "о" CYRILLIC SMALL LETTER O -->
         <Key
-            latin:keyLabel="\u043e"
+            latin:keyLabel="&#x043E;"
             latin:moreKeys="@string/more_keys_for_slavic_o" />
-        <!-- \u043b: "л" CYRILLIC SMALL LETTER EL -->
+        <!-- U+043B: "л" CYRILLIC SMALL LETTER EL -->
         <Key
-            latin:keyLabel="\u043b" />
-        <!-- \u0434: "д" CYRILLIC SMALL LETTER DE -->
+            latin:keyLabel="&#x043B;" />
+        <!-- U+0434: "д" CYRILLIC SMALL LETTER DE -->
         <Key
-            latin:keyLabel="\u0434" />
-        <!-- \u0436: "ж" CYRILLIC SMALL LETTER ZHE -->
+            latin:keyLabel="&#x0434;" />
+        <!-- U+0436: "ж" CYRILLIC SMALL LETTER ZHE -->
         <Key
-            latin:keyLabel="\u0436" />
-        <!-- \u044d: "э" CYRILLIC SMALL LETTER E -->
+            latin:keyLabel="&#x0436;" />
+        <!-- U+044D: "э" CYRILLIC SMALL LETTER E -->
         <Key
-            latin:keyLabel="\u044d" />
+            latin:keyLabel="&#x044D;" />
         <Key
             latin:keyStyle="enterKeyStyle"
             latin:keyXPos="-9.375%p"
@@ -123,32 +123,32 @@
         <Key
             latin:keyStyle="shiftKeyStyle"
             latin:keyWidth="12.750%p" />
-        <!-- \u044f: "я" CYRILLIC SMALL LETTER YA -->
+        <!-- U+044F: "я" CYRILLIC SMALL LETTER YA -->
         <Key
-            latin:keyLabel="\u044f" />
-        <!-- \u0447: "ч" CYRILLIC SMALL LETTER CHE -->
+            latin:keyLabel="&#x044F;" />
+        <!-- U+0447: "ч" CYRILLIC SMALL LETTER CHE -->
         <Key
-            latin:keyLabel="\u0447" />
-        <!-- \u0441: "с" CYRILLIC SMALL LETTER ES -->
+            latin:keyLabel="&#x0447;" />
+        <!-- U+0441: "с" CYRILLIC SMALL LETTER ES -->
         <Key
-            latin:keyLabel="\u0441" />
-        <!-- \u043c: "м" CYRILLIC SMALL LETTER EM -->
+            latin:keyLabel="&#x0441;" />
+        <!-- U+043C: "м" CYRILLIC SMALL LETTER EM -->
         <Key
-            latin:keyLabel="\u043c" />
+            latin:keyLabel="&#x043C;" />
         <Key
             latin:keyLabel="@string/keylabel_for_slavic_i" />
-        <!-- \u0442: "т" CYRILLIC SMALL LETTER TE -->
+        <!-- U+0442: "т" CYRILLIC SMALL LETTER TE -->
         <Key
-            latin:keyLabel="\u0442" />
-        <!-- \u044c: "ь" CYRILLIC SMALL LETTER SOFT SIGN -->
+            latin:keyLabel="&#x0442;" />
+        <!-- U+044C: "ь" CYRILLIC SMALL LETTER SOFT SIGN -->
         <Key
-            latin:keyLabel="\u044c" />
-        <!-- \u0431: "б" CYRILLIC SMALL LETTER BE -->
+            latin:keyLabel="&#x044C;" />
+        <!-- U+0431: "б" CYRILLIC SMALL LETTER BE -->
         <Key
-            latin:keyLabel="\u0431" />
-        <!-- \u044e: "ю" CYRILLIC SMALL LETTER YU -->
+            latin:keyLabel="&#x0431;" />
+        <!-- U+044E: "ю" CYRILLIC SMALL LETTER YU -->
         <Key
-            latin:keyLabel="\u044e" />
+            latin:keyLabel="&#x044E;" />
         <include
             latin:keyboardLayout="@xml/keys_comma_period" />
         <Key
diff --git a/java/res/xml-sw768dp/rows_spanish.xml b/java/res/xml-sw768dp/rows_spanish.xml
index 210c38d..9fe1b3b 100644
--- a/java/res/xml-sw768dp/rows_spanish.xml
+++ b/java/res/xml-sw768dp/rows_spanish.xml
@@ -56,9 +56,9 @@
         <Key
             latin:keyLabel="l"
             latin:moreKeys="@string/more_keys_for_l" />
-        <!-- \u00f1: "ñ" LATIN SMALL LETTER N WITH TILDE -->
+        <!-- U+00F1: "ñ" LATIN SMALL LETTER N WITH TILDE -->
         <Key
-            latin:keyLabel="\u00f1" />
+            latin:keyLabel="&#x00F1;" />
         <Key
             latin:keyStyle="enterKeyStyle"
             latin:keyXPos="-15.704%p"
diff --git a/java/res/xml-sw768dp/rows_symbols.xml b/java/res/xml-sw768dp/rows_symbols.xml
index c199ae4..d82f20b 100644
--- a/java/res/xml-sw768dp/rows_symbols.xml
+++ b/java/res/xml-sw768dp/rows_symbols.xml
@@ -140,9 +140,10 @@
             latin:moreKeys="@string/more_keys_for_comma" />
         <Key
             latin:keyLabel="." />
+        <!-- U+00A1: "¡" INVERTED EXCLAMATION MARK -->
         <Key
             latin:keyLabel="!"
-            latin:moreKeys="¡" />
+            latin:moreKeys="&#x00A1;" />
         <Key
             latin:keyLabel="@string/keylabel_for_symbols_question"
             latin:moreKeys="@string/more_keys_for_symbols_question" />
diff --git a/java/res/xml-sw768dp/rows_symbols_shift.xml b/java/res/xml-sw768dp/rows_symbols_shift.xml
index ced62f3..4c80771 100644
--- a/java/res/xml-sw768dp/rows_symbols_shift.xml
+++ b/java/res/xml-sw768dp/rows_symbols_shift.xml
@@ -38,32 +38,32 @@
             latin:keyLabel="`" />
         <Key
             latin:keyLabel="|" />
-        <!-- \u2022: "•" BULLET -->
+        <!-- U+2022: "•" BULLET -->
         <Key
-            latin:keyLabel="\u2022"
+            latin:keyLabel="&#x2022;"
             latin:moreKeys="@string/more_keys_for_bullet" />
-        <!-- \u221a: "√" SQUARE ROOT -->
+        <!-- U+221A: "√" SQUARE ROOT -->
         <Key
-            latin:keyLabel="\u221a" />
-        <!-- \u03c0: "π" GREEK SMALL LETTER PI
-             \u03a0: "Π" GREEK CAPITAL LETTER PI -->
+            latin:keyLabel="&#x221A;" />
+        <!-- U+03C0: "π" GREEK SMALL LETTER PI
+             U+03A0: "Π" GREEK CAPITAL LETTER PI -->
         <Key
-            latin:keyLabel="\u03c0"
-            latin:moreKeys="\u03a0" />
-        <!-- \u00f7: "÷" DIVISION SIGN -->
+            latin:keyLabel="&#x03C0;"
+            latin:moreKeys="&#x03A0;" />
+        <!-- U+00F7: "÷" DIVISION SIGN -->
         <Key
-            latin:keyLabel="\u00f7" />
-        <!-- \u00d7: "×" MULTIPLICATION SIGN -->
+            latin:keyLabel="&#x00F7;" />
+        <!-- U+00D7: "×" MULTIPLICATION SIGN -->
         <Key
-            latin:keyLabel="\u00d7" />
-        <!-- \u00a7: "§" SECTION SIGN
-             \u00b6: "¶" PILCROW SIGN -->
+            latin:keyLabel="&#x00D7;" />
+        <!-- U+00A7: "§" SECTION SIGN
+             U+00B6: "¶" PILCROW SIGN -->
         <Key
-            latin:keyLabel="\u00a7"
-            latin:moreKeys="\u00b6" />
-        <!-- \u0394: "Δ" GREEK CAPITAL LETTER DELTA -->
+            latin:keyLabel="&#x00A7;"
+            latin:moreKeys="&#x00B6;" />
+        <!-- U+0394: "Δ" GREEK CAPITAL LETTER DELTA -->
         <Key
-            latin:keyLabel="\u0394" />
+            latin:keyLabel="&#x0394;" />
         <Key
             latin:keyStyle="deleteKeyStyle"
             latin:keyXPos="-9.219%p"
@@ -84,24 +84,24 @@
             latin:keyStyle="moreCurrency3KeyStyle" />
         <Key
             latin:keyStyle="moreCurrency4KeyStyle" />
-        <!-- \u2191: "↑" UPWARDS ARROW
-             \u2193: "↓" DOWNWARDS ARROW
-             \u2190: "←" LEFTWARDS ARROW
-             \u2192: "→" RIGHTWARDS ARROW -->
+        <!-- U+2191: "↑" UPWARDS ARROW
+             U+2193: "↓" DOWNWARDS ARROW
+             U+2190: "←" LEFTWARDS ARROW
+             U+2192: "→" RIGHTWARDS ARROW -->
         <Key
             latin:keyLabel="^"
-            latin:moreKeys="\u2191,\u2193,\u2190,\u2192" />
-        <!-- \u00b0: "°" DEGREE SIGN
-             \u2032: "′" PRIME
-             \u2033: "″" DOUBLE PRIME -->
+            latin:moreKeys="&#x2191;,&#x2193;,&#x2190;,&#x2192;" />
+        <!-- U+00B0: "°" DEGREE SIGN
+             U+2032: "′" PRIME
+             U+2033: "″" DOUBLE PRIME -->
         <Key
-            latin:keyLabel="\u00b0"
-            latin:moreKeys="\u2032,\u2033" />
-        <!-- \u00b1: "±" PLUS-MINUS SIGN
-             \u221e: "∞" INFINITY -->
+            latin:keyLabel="&#x00B0;"
+            latin:moreKeys="&#x2032;,&#x2033;" />
+        <!-- U+00B1: "±" PLUS-MINUS SIGN
+             U+221E: "∞" INFINITY -->
         <Key
-            latin:keyLabel="\u00b1"
-            latin:moreKeys="\u221e" />
+            latin:keyLabel="&#x00B1;"
+            latin:moreKeys="&#x221E;" />
         <include
             latin:keyboardLayout="@xml/keys_curly_brackets" />
         <Key
@@ -117,26 +117,26 @@
             latin:keyWidth="13.829%p" />
         <Key
             latin:keyLabel="\\" />
-        <!-- \u00a9: "©" COPYRIGHT SIGN -->
+        <!-- U+00A9: "©" COPYRIGHT SIGN -->
         <Key
-            latin:keyLabel="\u00a9" />
-        <!-- \u00ae: "®" REGISTERED SIGN -->
+            latin:keyLabel="&#x00A9;" />
+        <!-- U+00AE: "®" REGISTERED SIGN -->
         <Key
-            latin:keyLabel="\u00ae" />
-        <!-- \u2122: "™" TRADE MARK SIGN -->
+            latin:keyLabel="&#x00AE;" />
+        <!-- U+2122: "™" TRADE MARK SIGN -->
         <Key
-            latin:keyLabel="\u2122" />
-        <!-- \u2105: "℅" CARE OF -->
+            latin:keyLabel="&#x2122;" />
+        <!-- U+2105: "℅" CARE OF -->
         <Key
-            latin:keyLabel="\u2105" />
+            latin:keyLabel="&#x2105;" />
         <include
             latin:keyboardLayout="@xml/keys_square_brackets" />
-        <!-- \u00a1: "¡" INVERTED EXCLAMATION MARK -->
+        <!-- U+00A1: "¡" INVERTED EXCLAMATION MARK -->
         <Key
-            latin:keyLabel="\u00a1" />
-        <!-- \u00bf: "¿" INVERTED QUESTION MARK -->
+            latin:keyLabel="&#x00A1;" />
+        <!-- U+00BF: "¿" INVERTED QUESTION MARK -->
         <Key
-            latin:keyLabel="\u00bf" />
+            latin:keyLabel="&#x00BF;" />
         <Key
             latin:keyStyle="backFromMoreSymbolKeyStyle"
             latin:keyXPos="-13.750%p"