diff --git a/java/res/xml-sw600dp/key_styles_common.xml b/java/res/xml-sw600dp/key_styles_common.xml
index d817add..e2e751f 100644
--- a/java/res/xml-sw600dp/key_styles_common.xml
+++ b/java/res/xml-sw600dp/key_styles_common.xml
@@ -21,20 +21,6 @@
 <merge
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
 >
-    <switch>
-        <case
-            latin:keyboardLayoutSetElement="alphabetManualShifted|alphabetShiftLockShifted"
-        >
-            <key-style
-                latin:styleName="hasShiftedLetterHintStyle"
-                latin:keyLabelFlags="hasShiftedLetterHint|shiftedLetterActivated" />
-        </case>
-        <default>
-            <key-style
-                latin:styleName="hasShiftedLetterHintStyle"
-                latin:keyLabelFlags="hasShiftedLetterHint" />
-        </default>
-    </switch>
     <!-- Functional key styles -->
     <!-- Base style for shift key. A single space is used for dummy label in moreKeys. -->
     <key-style
diff --git a/java/res/xml/key_space_30.xml b/java/res/xml/key_space_30.xml
new file mode 100644
index 0000000..20ec882
--- /dev/null
+++ b/java/res/xml/key_space_30.xml
@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<merge
+    xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
+>
+    <switch>
+        <case
+            latin:languageSwitchKeyEnabled="true"
+        >
+            <Key
+                latin:keyStyle="languageSwitchKeyStyle" />
+            <Key
+                latin:keyStyle="spaceKeyStyle"
+                latin:keyWidth="20%p" />
+        </case>
+        <!-- languageSwitchKeyEnabled="false" -->
+        <default>
+            <Key
+                latin:keyStyle="spaceKeyStyle"
+                latin:keyWidth="30%p" />
+        </default>
+    </switch>
+</merge>
diff --git a/java/res/xml/key_styles_common.xml b/java/res/xml/key_styles_common.xml
index 07436a4..6b3dc9a 100644
--- a/java/res/xml/key_styles_common.xml
+++ b/java/res/xml/key_styles_common.xml
@@ -21,6 +21,20 @@
 <merge
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
 >
+    <switch>
+        <case
+            latin:keyboardLayoutSetElement="alphabetManualShifted|alphabetShiftLockShifted"
+        >
+            <key-style
+                latin:styleName="hasShiftedLetterHintStyle"
+                latin:keyLabelFlags="hasShiftedLetterHint|shiftedLetterActivated" />
+        </case>
+        <default>
+            <key-style
+                latin:styleName="hasShiftedLetterHintStyle"
+                latin:keyLabelFlags="hasShiftedLetterHint" />
+        </default>
+    </switch>
     <!-- Base key style for the key which may have settings or tab key as popup key. -->
     <include
         latin:keyboardLayout="@xml/key_styles_f1" />
diff --git a/java/res/xml-sw600dp/keys_comma_period.xml b/java/res/xml/keys_comma_period.xml
similarity index 88%
rename from java/res/xml-sw600dp/keys_comma_period.xml
rename to java/res/xml/keys_comma_period.xml
index a600839..7e7c728 100644
--- a/java/res/xml-sw600dp/keys_comma_period.xml
+++ b/java/res/xml/keys_comma_period.xml
@@ -29,11 +29,13 @@
                 latin:keyLabel="."
                 latin:keyHintLabel="_"
                 latin:moreKeys="_"
+                latin:backgroundType="functional"
                 latin:keyStyle="hasShiftedLetterHintStyle" />
             <Key
                 latin:keyLabel=","
                 latin:keyHintLabel="-"
                 latin:moreKeys="-"
+                latin:backgroundType="functional"
                 latin:keyStyle="hasShiftedLetterHintStyle" />
         </case>
         <case
@@ -43,12 +45,14 @@
                 latin:keyLabel="!text/keylabel_for_apostrophe"
                 latin:keyHintLabel="!text/keyhintlabel_for_apostrophe"
                 latin:moreKeys="!text/more_keys_for_apostrophe"
+                latin:backgroundType="functional"
                 latin:keyStyle="hasShiftedLetterHintStyle" />
             <Key
                 latin:keyLabel="."
                 latin:keyHintLabel="!text/keyhintlabel_for_arabic_diacritics"
                 latin:keyLabelFlags="hasPopupHint"
                 latin:moreKeys="!text/more_keys_for_arabic_diacritics"
+                latin:backgroundType="functional"
                 latin:keyStyle="hasShiftedLetterHintStyle" />
         </case>
         <case
@@ -59,22 +63,26 @@
                 latin:keyHintLabel="!text/keyhintlabel_for_apostrophe"
                 latin:keyLabelFlags="hasPopupHint"
                 latin:moreKeys="!text/more_keys_for_apostrophe"
+                latin:backgroundType="functional"
                 latin:keyStyle="hasShiftedLetterHintStyle" />
             <Key
                 latin:keyLabel="."
                 latin:keyHintLabel="!text/keyhintlabel_for_arabic_diacritics"
                 latin:keyLabelFlags="hasPopupHint"
                 latin:moreKeys="!text/more_keys_for_arabic_diacritics"
+                latin:backgroundType="functional"
                 latin:keyStyle="hasShiftedLetterHintStyle" />
         </case>
         <default>
             <Key
                 latin:keyLabel="."
                 latin:keyHintLabel="!text/keyhintlabel_for_tablet_period"
+                latin:backgroundType="functional"
                 latin:moreKeys="!text/more_keys_for_tablet_period" />
             <Key
                 latin:keyLabel="!text/keylabel_for_tablet_comma"
                 latin:keyHintLabel="!text/keyhintlabel_for_tablet_comma"
+                latin:backgroundType="functional"
                 latin:moreKeys="!text/more_keys_for_tablet_comma" />
         </default>
     </switch>
diff --git a/java/res/xml/keys_less_greater.xml b/java/res/xml/keys_less_greater.xml
index bc9ecdf..56d0727 100644
--- a/java/res/xml/keys_less_greater.xml
+++ b/java/res/xml/keys_less_greater.xml
@@ -30,20 +30,24 @@
             <Key
                 latin:keyLabel="&#x00AB;"
                 latin:code="0x00BB"
+                latin:backgroundType="functional"
                 latin:moreKeys="!text/more_keys_for_less_than" />
             <Key
                 latin:keyLabel="&#x00BB;"
                 latin:code="0x00AB"
+                latin:backgroundType="functional"
                 latin:moreKeys="!text/more_keys_for_greater_than" />
         </case>
         <default>
             <Key
                 latin:keyLabel="&lt;"
                 latin:code="!code/key_less_than"
+                latin:backgroundType="functional"
                 latin:moreKeys="!text/more_keys_for_less_than" />
             <Key
                 latin:keyLabel="&gt;"
                 latin:code="!code/key_greater_than"
+                latin:backgroundType="functional"
                 latin:moreKeys="!text/more_keys_for_greater_than" />
         </default>
     </switch>
diff --git a/java/res/xml/row_symbols4.xml b/java/res/xml/row_symbols4.xml
index 96e550c..91d244a 100644
--- a/java/res/xml/row_symbols4.xml
+++ b/java/res/xml/row_symbols4.xml
@@ -27,6 +27,12 @@
         <Key
             latin:keyStyle="toAlphaKeyStyle"
             latin:keyWidth="15%p" />
+        <Key
+            latin:keyLabel="_"
+            latin:backgroundType="functional" />
+        <Key
+            latin:keyLabel="/"
+            latin:backgroundType="functional" />
         <switch>
             <case
                 latin:hasShortcutKey="true"
@@ -36,18 +42,13 @@
             </case>
             <!-- latin:hasShortcutKey="false" -->
             <default>
-                <Key
-                    latin:keyLabel="!text/keylabel_for_comma"
-                    latin:keyLabelFlags="hasPopupHint"
-                    latin:additionalMoreKeys="!text/more_keys_for_comma"
-                    latin:keyStyle="f1MoreKeysStyle" />
             </default>
         </switch>
         <include
-            latin:keyXPos="25%p"
-            latin:keyboardLayout="@xml/key_space" />
-        <Key
-            latin:keyStyle="punctuationKeyStyle" />
+            latin:keyXPos="35%p"
+            latin:keyboardLayout="@xml/key_space_30" />
+        <include
+            latin:keyboardLayout="@xml/keys_comma_period" />
         <Key
             latin:keyStyle="emojiKeyStyle"
             latin:keyWidth="fillRight" />
diff --git a/java/res/xml/row_symbols_shift4.xml b/java/res/xml/row_symbols_shift4.xml
index 99a685c..7e83ef0 100644
--- a/java/res/xml/row_symbols_shift4.xml
+++ b/java/res/xml/row_symbols_shift4.xml
@@ -27,19 +27,13 @@
         <Key
             latin:keyStyle="toAlphaKeyStyle"
             latin:keyWidth="15%p" />
-        <!-- U+201A: "‚" SINGLE LOW-9 QUOTATION MARK
-             U+201E: "„" DOUBLE LOW-9 QUOTATION MARK -->
-        <Key
-            latin:keyLabel="&#x201E;"
-            latin:moreKeys="&#x201A;"
-            latin:backgroundType="functional" />
         <include
-            latin:keyXPos="25%p"
-            latin:keyboardLayout="@xml/key_space" />
-        <!-- U+2026: "…" HORIZONTAL ELLIPSIS -->
-        <Key
-            latin:keyLabel="&#x2026;"
-            latin:backgroundType="functional" />
+            latin:keyboardLayout="@xml/keys_less_greater" />
+        <include
+            latin:keyXPos="35%p"
+            latin:keyboardLayout="@xml/key_space_30" />
+        <include
+            latin:keyboardLayout="@xml/keys_comma_period" />
         <Key
             latin:keyStyle="enterKeyStyle"
             latin:keyWidth="fillRight" />
diff --git a/java/res/xml/rowkeys_symbols2.xml b/java/res/xml/rowkeys_symbols2.xml
index 3e27f15..76cbf62 100644
--- a/java/res/xml/rowkeys_symbols2.xml
+++ b/java/res/xml/rowkeys_symbols2.xml
@@ -50,9 +50,6 @@
         latin:moreKeys="!text/more_keys_for_symbols_percent" />
     <Key
         latin:keyLabel="&amp;" />
-    <Key
-        latin:keyLabel="*"
-        latin:moreKeys="!text/more_keys_for_star" />
     <!-- U+2013: "–" EN DASH
          U+2014: "—" EM DASH
          U+00B7: "·" MIDDLE DOT -->
diff --git a/java/res/xml/rowkeys_symbols3.xml b/java/res/xml/rowkeys_symbols3.xml
index 7722ca9..9f5e620 100644
--- a/java/res/xml/rowkeys_symbols3.xml
+++ b/java/res/xml/rowkeys_symbols3.xml
@@ -22,8 +22,8 @@
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
 >
     <Key
-        latin:keyLabel="!"
-        latin:moreKeys="!text/more_keys_for_symbols_exclamation" />
+        latin:keyLabel="*"
+        latin:moreKeys="!text/more_keys_for_star" />
     <switch>
         <case
             latin:languageCode="fa"
@@ -54,8 +54,9 @@
         latin:keyLabel="!text/keylabel_for_symbols_semicolon"
         latin:moreKeys="!text/more_keys_for_symbols_semicolon" />
     <Key
-        latin:keyLabel="/" />
-    <Key
         latin:keyLabel="!text/keylabel_for_symbols_question"
         latin:moreKeys="!text/more_keys_for_symbols_question" />
+    <Key
+        latin:keyLabel="!"
+        latin:moreKeys="!text/more_keys_for_symbols_exclamation" />
 </merge>
diff --git a/java/res/xml/rowkeys_symbols_shift1.xml b/java/res/xml/rowkeys_symbols_shift1.xml
index fea8ae3..6013493 100644
--- a/java/res/xml/rowkeys_symbols_shift1.xml
+++ b/java/res/xml/rowkeys_symbols_shift1.xml
@@ -34,17 +34,23 @@
     <!-- U+221A: "√" SQUARE ROOT -->
     <Key
         latin:keyLabel="&#x221A;" />
-    <!-- U+03C0: "π" GREEK SMALL LETTER PI
-         U+03A0: "Π" GREEK CAPITAL LETTER PI  -->
+    <!-- U+03A0: "Π" GREEK CAPITAL LETTER PI
+         U+03C0: "π" GREEK SMALL LETTER PI  -->
     <Key
-        latin:keyLabel="&#x03C0;"
-        latin:moreKeys="&#x03A0;" />
+        latin:keyLabel="&#x03A0;"
+        latin:moreKeys="&#x03C0;" />
     <!-- U+00F7: "÷" DIVISION SIGN -->
     <Key
         latin:keyLabel="&#x00F7;" />
     <!-- U+00D7: "×" MULTIPLICATION SIGN -->
     <Key
         latin:keyLabel="&#x00D7;" />
-    <include
-        latin:keyboardLayout="@xml/keys_curly_brackets" />
+    <!-- U+00B6: "¶" PILCROW SIGN
+         U+00A7: "§" SECTION SIGN -->
+    <Key
+        latin:keyLabel="&#x00B6;"
+        latin:moreKeys="&#x00A7;" />
+    <!-- U+2206: "∆" INCREMENT -->
+    <Key
+        latin:keyLabel="&#x2206;" />
 </merge>
diff --git a/java/res/xml/rowkeys_symbols_shift2.xml b/java/res/xml/rowkeys_symbols_shift2.xml
index 3fd8aac..fc84355 100644
--- a/java/res/xml/rowkeys_symbols_shift2.xml
+++ b/java/res/xml/rowkeys_symbols_shift2.xml
@@ -22,19 +22,14 @@
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
 >
     <Key
-        latin:keyStyle="nonSpecialBackgroundTabKeyStyle" />
-    <Key
-        latin:keyStyle="moreCurrency1KeyStyle" />
+        latin:keyStyle="moreCurrency1KeyStyle"
+        latin:keyXPos="5%p" />
     <Key
         latin:keyStyle="moreCurrency2KeyStyle" />
     <Key
         latin:keyStyle="moreCurrency3KeyStyle" />
-    <!-- U+00B0: "°" DEGREE SIGN
-         U+2032: "′" PRIME
-         U+2033: "″" DOUBLE PRIME -->
     <Key
-        latin:keyLabel="&#x00B0;"
-        latin:moreKeys="&#x2032;,&#x2033;" />
+        latin:keyStyle="moreCurrency4KeyStyle" />
     <!-- U+2191: "↑" UPWARDS ARROW
          U+2193: "↓" DOWNWARDS ARROW
          U+2190: "←" LEFTWARDS ARROW
@@ -42,8 +37,12 @@
     <Key
         latin:keyLabel="^"
         latin:moreKeys="&#x2191;,&#x2193;,&#x2190;,&#x2192;" />
+    <!-- U+00B0: "°" DEGREE SIGN
+         U+2032: "′" PRIME
+         U+2033: "″" DOUBLE PRIME -->
     <Key
-        latin:keyLabel="_" />
+        latin:keyLabel="&#x00B0;"
+        latin:moreKeys="&#x2032;,&#x2033;" />
     <!-- U+2260: "≠" NOT EQUAL TO
          U+2248: "≈" ALMOST EQUAL TO
          U+221E: "∞" INFINITY -->
@@ -51,5 +50,5 @@
         latin:keyLabel="="
         latin:moreKeys="&#x2260;,&#x2248;,&#x221E;" />
     <include
-        latin:keyboardLayout="@xml/keys_square_brackets" />
+        latin:keyboardLayout="@xml/keys_curly_brackets" />
 </merge>
diff --git a/java/res/xml/rowkeys_symbols_shift3.xml b/java/res/xml/rowkeys_symbols_shift3.xml
index a35af21..5fe1c74 100644
--- a/java/res/xml/rowkeys_symbols_shift3.xml
+++ b/java/res/xml/rowkeys_symbols_shift3.xml
@@ -21,22 +21,20 @@
 <merge
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
 >
-    <!-- U+2122: "™" TRADE MARK SIGN -->
     <Key
-        latin:keyLabel="&#x2122;" />
-    <!-- U+00AE: "®" REGISTERED SIGN -->
-    <Key
-        latin:keyLabel="&#x00AE;" />
+        latin:keyLabel="\\" />
     <!-- U+00A9: "©" COPYRIGHT SIGN -->
     <Key
         latin:keyLabel="&#x00A9;" />
-    <!-- U+00B6: "¶" PILCROW SIGN
-         U+00A7: "§" SECTION SIGN -->
+    <!-- U+00AE: "®" REGISTERED SIGN -->
     <Key
-        latin:keyLabel="&#x00B6;"
-        latin:moreKeys="&#x00A7;" />
+        latin:keyLabel="&#x00AE;" />
+    <!-- U+2122: "™" TRADE MARK SIGN -->
     <Key
-        latin:keyLabel="\\" />
+        latin:keyLabel="&#x2122;" />
+    <!-- U+2105: "℅" CARE OF -->
+    <Key
+        latin:keyLabel="&#x2105;" />
     <include
-        latin:keyboardLayout="@xml/keys_less_greater" />
+        latin:keyboardLayout="@xml/keys_square_brackets" />
 </merge>
diff --git a/java/res/xml/rows_symbols.xml b/java/res/xml/rows_symbols.xml
index bd1a57e..e50c10d 100644
--- a/java/res/xml/rows_symbols.xml
+++ b/java/res/xml/rows_symbols.xml
@@ -35,7 +35,8 @@
         latin:keyWidth="10%p"
     >
         <include
-            latin:keyboardLayout="@xml/rowkeys_symbols2" />
+            latin:keyboardLayout="@xml/rowkeys_symbols2"
+            latin:keyXPos="5%p" />
     </Row>
     <Row
         latin:keyWidth="10%p"
diff --git a/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java b/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
index 63da954..845cd28 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.java
@@ -361,8 +361,10 @@
         /* 103 */ "\u2030",
         /* 104 */ ",",
         /* 105~ */
-        EMPTY, EMPTY, EMPTY, EMPTY,
-        /* ~108 */
+        EMPTY, EMPTY, EMPTY,
+        /* ~107 */
+        // U+2026: "…" HORIZONTAL ELLIPSIS
+        /* 108 */ "\u2026",
         /* 109 */ "\'",
         /* 110 */ "\"",
         /* 111 */ "\"",
diff --git a/java/src/com/android/inputmethod/latin/utils/DebugLogUtils.java b/java/src/com/android/inputmethod/latin/utils/DebugLogUtils.java
index c4ead0a..ac654fa 100644
--- a/java/src/com/android/inputmethod/latin/utils/DebugLogUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/DebugLogUtils.java
@@ -65,12 +65,12 @@
 
     /**
      * Get the stack trace contained in an exception as a human-readable string.
-     * @param e the exception
+     * @param t the throwable
      * @return the human-readable stack trace
      */
-    public static String getStackTrace(final Exception e) {
+    public static String getStackTrace(final Throwable t) {
         final StringBuilder sb = new StringBuilder();
-        final StackTraceElement[] frames = e.getStackTrace();
+        final StackTraceElement[] frames = t.getStackTrace();
         for (int j = 0; j < frames.length; ++j) {
             sb.append(frames[j].toString() + "\n");
         }