Replace ALT/More with more meaningful key labels

bug: 5113471

Change-Id: I324d24ea28c0ff9246dde2494296dca1dddabb1b
diff --git a/java/res/values/donottranslate.xml b/java/res/values/donottranslate.xml
index 7d6021b..0d18d90 100644
--- a/java/res/values/donottranslate.xml
+++ b/java/res/values/donottranslate.xml
@@ -32,8 +32,11 @@
     magic_space_swapping_symbols | magic_space_stripping_symbols |
             magic_space_neutral_symbols \ non_word_separator_symbols -->
 
-    <!-- Label for ALT modifier key.  Must be short to fit on key! -->
-    <string name="label_alt_key">ALT</string>
+    <!-- Label for "switch to more symbol" modifier key.  Must be short to fit on key! -->
+    <string name="label_to_more_symbol_key">= \\ &lt;</string>
+    <!-- Label for "switch to more symbol" modifier key on tablets.  Must be short to fit on key! -->
+    <string name="label_to_more_symbol_for_tablet_key">\\ ^ [ {</string>
+
     <!-- Label for "Tab" key.  Must be short to fit on key! -->
     <string name="label_tab_key">Tab</string>
     <!-- Label for "switch to phone numeric" key.  Must be short to fit on key! -->
diff --git a/java/res/xml-sw600dp/kbd_key_styles.xml b/java/res/xml-sw600dp/kbd_key_styles.xml
index b679368..aff75d6 100644
--- a/java/res/xml-sw600dp/kbd_key_styles.xml
+++ b/java/res/xml-sw600dp/kbd_key_styles.xml
@@ -105,12 +105,17 @@
         latin:keyLabelOption="fontNormal"
         latin:parentStyle="functionalKeyStyle" />
     <key-style
-        latin:styleName="moreKeyStyle"
+        latin:styleName="toMoreSymbolKeyStyle"
         latin:code="@integer/key_shift"
-        latin:keyLabel="@string/label_more_key"
+        latin:keyLabel="@string/label_to_more_symbol_for_tablet_key"
         latin:keyLabelOption="fontNormal"
-        latin:parentStyle="functionalKeyStyle"
-        latin:isSticky="true" />
+        latin:parentStyle="functionalKeyStyle" />
+    <key-style
+        latin:styleName="backFromMoreSymbolKeyStyle"
+        latin:code="@integer/key_shift"
+        latin:keyLabel="@string/label_to_symbol_key"
+        latin:keyLabelOption="fontNormal"
+        latin:parentStyle="functionalKeyStyle" />
     <key-style
         latin:styleName="comKeyStyle"
         latin:keyLabel="@string/keylabel_for_popular_domain"
diff --git a/java/res/xml-sw600dp/kbd_phone.xml b/java/res/xml-sw600dp/kbd_phone.xml
index 7b584c1..0331389 100644
--- a/java/res/xml-sw600dp/kbd_phone.xml
+++ b/java/res/xml-sw600dp/kbd_phone.xml
@@ -76,7 +76,7 @@
     </Row>
     <Row>
         <Key
-            latin:keyStyle="moreKeyStyle"
+            latin:keyStyle="toMoreSymbolKeyStyle"
             latin:keyWidth="11.0%p" />
         <Key
             latin:keyLabel="("
diff --git a/java/res/xml-sw600dp/kbd_phone_shift.xml b/java/res/xml-sw600dp/kbd_phone_shift.xml
index 4839645..2b6936d 100644
--- a/java/res/xml-sw600dp/kbd_phone_shift.xml
+++ b/java/res/xml-sw600dp/kbd_phone_shift.xml
@@ -84,7 +84,7 @@
     </Row>
     <Row>
         <Key
-            latin:keyStyle="moreKeyStyle"
+            latin:keyStyle="backFromMoreSymbolKeyStyle"
             latin:keyWidth="11.00%p" />
         <Key
             latin:keyLabel="("
diff --git a/java/res/xml-sw600dp/kbd_rows_symbols.xml b/java/res/xml-sw600dp/kbd_rows_symbols.xml
index 058c97e..4f6a9bc 100644
--- a/java/res/xml-sw600dp/kbd_rows_symbols.xml
+++ b/java/res/xml-sw600dp/kbd_rows_symbols.xml
@@ -100,7 +100,7 @@
         latin:keyWidth="8.9%p"
     >
         <Key
-            latin:keyStyle="moreKeyStyle"
+            latin:keyStyle="toMoreSymbolKeyStyle"
             latin:keyWidth="10.0%p" />
         <Key
             latin:keyLabel="&lt;"
diff --git a/java/res/xml-sw600dp/kbd_rows_symbols_shift.xml b/java/res/xml-sw600dp/kbd_rows_symbols_shift.xml
index ac4b93f..1dca8c4 100644
--- a/java/res/xml-sw600dp/kbd_rows_symbols_shift.xml
+++ b/java/res/xml-sw600dp/kbd_rows_symbols_shift.xml
@@ -101,7 +101,7 @@
         latin:keyWidth="8.9%p"
     >
         <Key
-            latin:keyStyle="moreKeyStyle"
+            latin:keyStyle="backFromMoreSymbolKeyStyle"
             latin:keyWidth="10.0%p" />
         <Key
             latin:keyLabel="\\" />
diff --git a/java/res/xml-sw768dp/kbd_key_styles.xml b/java/res/xml-sw768dp/kbd_key_styles.xml
index 6e4818d..1711c42 100644
--- a/java/res/xml-sw768dp/kbd_key_styles.xml
+++ b/java/res/xml-sw768dp/kbd_key_styles.xml
@@ -87,12 +87,17 @@
         latin:keyLabelOption="fontNormal"
         latin:parentStyle="functionalKeyStyle" />
     <key-style
-        latin:styleName="moreKeyStyle"
+        latin:styleName="toMoreSymbolKeyStyle"
         latin:code="@integer/key_shift"
-        latin:keyLabel="@string/label_more_key"
+        latin:keyLabel="@string/label_to_more_symbol_for_tablet_key"
         latin:keyLabelOption="fontNormal"
-        latin:parentStyle="functionalKeyStyle"
-        latin:isSticky="true" />
+        latin:parentStyle="functionalKeyStyle" />
+    <key-style
+        latin:styleName="backFromMoreSymbolKeyStyle"
+        latin:code="@integer/key_shift"
+        latin:keyLabel="@string/label_to_symbol_key"
+        latin:keyLabelOption="fontNormal"
+        latin:parentStyle="functionalKeyStyle" />
     <key-style
         latin:styleName="comKeyStyle"
         latin:keyLabel="@string/keylabel_for_popular_domain"
diff --git a/java/res/xml-sw768dp/kbd_phone.xml b/java/res/xml-sw768dp/kbd_phone.xml
index cf6790f..e55b184 100644
--- a/java/res/xml-sw768dp/kbd_phone.xml
+++ b/java/res/xml-sw768dp/kbd_phone.xml
@@ -54,7 +54,7 @@
     </Row>
     <Row>
         <Key
-            latin:keyStyle="moreKeyStyle"
+            latin:keyStyle="toMoreSymbolKeyStyle"
             latin:keyWidth="11.172%p" />
         <Key
             latin:keyLabel=","
diff --git a/java/res/xml-sw768dp/kbd_phone_shift.xml b/java/res/xml-sw768dp/kbd_phone_shift.xml
index 7f62716..646f0b8 100644
--- a/java/res/xml-sw768dp/kbd_phone_shift.xml
+++ b/java/res/xml-sw768dp/kbd_phone_shift.xml
@@ -58,7 +58,7 @@
     </Row>
     <Row>
         <Key
-            latin:keyStyle="moreKeyStyle"
+            latin:keyStyle="backFromMoreSymbolKeyStyle"
             latin:keyWidth="11.172%p" />
         <Key
             latin:keyLabel=","
diff --git a/java/res/xml-sw768dp/kbd_rows_symbols.xml b/java/res/xml-sw768dp/kbd_rows_symbols.xml
index 2a01fe2..66b9789 100644
--- a/java/res/xml-sw768dp/kbd_rows_symbols.xml
+++ b/java/res/xml-sw768dp/kbd_rows_symbols.xml
@@ -107,7 +107,7 @@
         latin:keyWidth="8.047%p"
     >
         <Key
-            latin:keyStyle="moreKeyStyle"
+            latin:keyStyle="toMoreSymbolKeyStyle"
             latin:keyWidth="13.829%p" />
         <Key
             latin:keyLabel="&lt;"
@@ -146,7 +146,7 @@
             latin:keyLabel="@string/keylabel_for_symbols_question"
             latin:popupCharacters="@string/alternates_for_symbols_question" />
         <Key
-            latin:keyStyle="moreKeyStyle"
+            latin:keyStyle="toMoreSymbolKeyStyle"
             latin:keyXPos="-13.750%p"
             latin:keyWidth="fillBoth" />
     </Row>
diff --git a/java/res/xml-sw768dp/kbd_rows_symbols_shift.xml b/java/res/xml-sw768dp/kbd_rows_symbols_shift.xml
index 5c12082..1f43a0f 100644
--- a/java/res/xml-sw768dp/kbd_rows_symbols_shift.xml
+++ b/java/res/xml-sw768dp/kbd_rows_symbols_shift.xml
@@ -108,7 +108,7 @@
         latin:keyWidth="8.047%p"
     >
         <Key
-            latin:keyStyle="moreKeyStyle"
+            latin:keyStyle="backFromMoreSymbolKeyStyle"
             latin:keyWidth="13.829%p" />
         <Key
             latin:keyLabel="\\" />
@@ -135,7 +135,7 @@
             latin:keyStyle="nonPasswordSymbolKeyStyle"
             latin:keyLabel="¿" />
         <Key
-            latin:keyStyle="moreKeyStyle"
+            latin:keyStyle="backFromMoreSymbolKeyStyle"
             latin:keyXPos="-13.750%p"
             latin:keyWidth="fillBoth" />
     </Row>
diff --git a/java/res/xml/kbd_key_styles.xml b/java/res/xml/kbd_key_styles.xml
index 5c4bf52..af6d9dc 100644
--- a/java/res/xml/kbd_key_styles.xml
+++ b/java/res/xml/kbd_key_styles.xml
@@ -204,11 +204,15 @@
         latin:keyLabel="@string/label_to_alpha_key"
         latin:parentStyle="functionalKeyStyle" />
     <key-style
-        latin:styleName="altKeyStyle"
+        latin:styleName="toMoreSymbolKeyStyle"
         latin:code="@integer/key_shift"
-        latin:keyLabel="@string/label_alt_key"
-        latin:parentStyle="functionalKeyStyle"
-        latin:isSticky="true" />
+        latin:keyLabel="@string/label_to_more_symbol_key"
+        latin:parentStyle="functionalKeyStyle" />
+    <key-style
+        latin:styleName="backFromMoreSymbolKeyStyle"
+        latin:code="@integer/key_shift"
+        latin:keyLabel="@string/label_to_symbol_key"
+        latin:parentStyle="functionalKeyStyle" />
     <switch>
         <case
             latin:passwordInput="true"
diff --git a/java/res/xml/kbd_rows_symbols.xml b/java/res/xml/kbd_rows_symbols.xml
index a8eeb3b..75e21a0 100644
--- a/java/res/xml/kbd_rows_symbols.xml
+++ b/java/res/xml/kbd_rows_symbols.xml
@@ -95,7 +95,7 @@
         latin:keyWidth="10%p"
     >
         <Key
-            latin:keyStyle="altKeyStyle"
+            latin:keyStyle="toMoreSymbolKeyStyle"
             latin:keyWidth="15%p"
             latin:visualInsetsRight="1%p" />
         <Key
diff --git a/java/res/xml/kbd_rows_symbols_shift.xml b/java/res/xml/kbd_rows_symbols_shift.xml
index 0706cbc..d523415 100644
--- a/java/res/xml/kbd_rows_symbols_shift.xml
+++ b/java/res/xml/kbd_rows_symbols_shift.xml
@@ -91,7 +91,7 @@
         latin:keyWidth="10%p"
     >
         <Key
-            latin:keyStyle="altKeyStyle"
+            latin:keyStyle="backFromMoreSymbolKeyStyle"
             latin:keyWidth="15%p"
             latin:visualInsetsRight="1%p" />
         <Key