diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeySpecParser.java b/java/src/com/android/inputmethod/keyboard/internal/KeySpecParser.java
index 144d552..07c5cae 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeySpecParser.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeySpecParser.java
@@ -52,8 +52,6 @@
     private static final char COMMA = ',';
     private static final char BACKSLASH = '\\';
     private static final char VERTICAL_BAR = '|';
-    static final String PREFIX_ICON = "!icon/";
-    private static final String PREFIX_CODE = "!code/";
     private static final String PREFIX_HEX = "0x";
     private static final String ADDITIONAL_MORE_KEY_MARKER = "%";
 
@@ -115,13 +113,13 @@
     }
 
     private static boolean hasIcon(final String moreKeySpec) {
-        return moreKeySpec.startsWith(PREFIX_ICON);
+        return moreKeySpec.startsWith(KeyboardIconsSet.PREFIX_ICON);
     }
 
     private static boolean hasCode(final String moreKeySpec) {
         final int end = indexOfLabelEnd(moreKeySpec, 0);
         if (end > 0 && end + 1 < moreKeySpec.length() && moreKeySpec.startsWith(
-                PREFIX_CODE, end + 1)) {
+                KeyboardCodesSet.PREFIX_CODE, end + 1)) {
             return true;
         }
         return false;
@@ -243,8 +241,8 @@
     public static int parseCode(final String text, final KeyboardCodesSet codesSet,
             final int defCode) {
         if (text == null) return defCode;
-        if (text.startsWith(PREFIX_CODE)) {
-            return codesSet.getCode(text.substring(PREFIX_CODE.length()));
+        if (text.startsWith(KeyboardCodesSet.PREFIX_CODE)) {
+            return codesSet.getCode(text.substring(KeyboardCodesSet.PREFIX_CODE.length()));
         } else if (text.startsWith(PREFIX_HEX)) {
             return Integer.parseInt(text.substring(PREFIX_HEX.length()), 16);
         } else {
@@ -254,9 +252,11 @@
 
     public static int getIconId(final String moreKeySpec) {
         if (moreKeySpec != null && hasIcon(moreKeySpec)) {
-            final int end = moreKeySpec.indexOf(VERTICAL_BAR, PREFIX_ICON.length());
-            final String name = (end < 0) ? moreKeySpec.substring(PREFIX_ICON.length())
-                    : moreKeySpec.substring(PREFIX_ICON.length(), end);
+            final int end = moreKeySpec.indexOf(
+                    VERTICAL_BAR, KeyboardIconsSet.PREFIX_ICON.length());
+            final String name = (end < 0)
+                    ? moreKeySpec.substring(KeyboardIconsSet.PREFIX_ICON.length())
+                    : moreKeySpec.substring(KeyboardIconsSet.PREFIX_ICON.length(), end);
             return KeyboardIconsSet.getIconId(name);
         }
         return KeyboardIconsSet.ICON_UNDEFINED;
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java
index 78809d5..aeb4db5 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardCodesSet.java
@@ -22,6 +22,8 @@
 import java.util.HashMap;
 
 public final class KeyboardCodesSet {
+    public static final String PREFIX_CODE = "!code/";
+
     private static final HashMap<String, int[]> sLanguageToCodesMap = CollectionUtils.newHashMap();
     private static final HashMap<String, Integer> sNameToIdMap = CollectionUtils.newHashMap();
 
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java
index 0ee935f..da8bf7d 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardIconsSet.java
@@ -30,6 +30,7 @@
 public final class KeyboardIconsSet {
     private static final String TAG = KeyboardIconsSet.class.getSimpleName();
 
+    public static final String PREFIX_ICON = "!icon/";
     public static final int ICON_UNDEFINED = 0;
     private static final int ATTR_UNDEFINED = 0;
 
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
index d953a6b..96a5b08 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
@@ -46,7 +46,7 @@
  *   KeyboardTextsSet.java
  */
 public final class KeyboardTextsSet {
-    private static final String PREFIX_TEXT = "!text/";
+    public static final String PREFIX_TEXT = "!text/";
     private static final char BACKSLASH = '\\';
     private static final int MAX_STRING_REFERENCE_INDIRECTION = 10;
 
diff --git a/java/src/com/android/inputmethod/keyboard/internal/MoreKeySpec.java b/java/src/com/android/inputmethod/keyboard/internal/MoreKeySpec.java
index 889fc9c..dd58e1f 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/MoreKeySpec.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/MoreKeySpec.java
@@ -74,7 +74,7 @@
     @Override
     public String toString() {
         final String label = (mIconId == KeyboardIconsSet.ICON_UNDEFINED ? mLabel
-                : KeySpecParser.PREFIX_ICON + KeyboardIconsSet.getIconName(mIconId));
+                : KeyboardIconsSet.PREFIX_ICON + KeyboardIconsSet.getIconName(mIconId));
         final String output = (mCode == Constants.CODE_OUTPUT_TEXT ? mOutputText
                 : Constants.printableCode(mCode));
         if (StringUtils.codePointCount(label) == 1 && label.codePointAt(0) == mCode) {
diff --git a/tools/make-keyboard-text/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl b/tools/make-keyboard-text/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl
index 5898bc5..9252992 100644
--- a/tools/make-keyboard-text/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl
+++ b/tools/make-keyboard-text/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl
@@ -46,7 +46,7 @@
  *   KeyboardTextsSet.java
  */
 public final class KeyboardTextsSet {
-    private static final String PREFIX_TEXT = "!text/";
+    public static final String PREFIX_TEXT = "!text/";
     private static final char BACKSLASH = '\\';
     private static final int MAX_STRING_REFERENCE_INDIRECTION = 10;