Introduce clustering punctuation

Bug: 10081730
Change-Id: If198fa3df68ecb267da0a278da41fd509d6165f1
diff --git a/java/res/values/donottranslate-config-spacing-and-punctuations.xml b/java/res/values/donottranslate-config-spacing-and-punctuations.xml
index 1be5cf8..2faf578 100644
--- a/java/res/values/donottranslate-config-spacing-and-punctuations.xml
+++ b/java/res/values/donottranslate-config-spacing-and-punctuations.xml
@@ -26,6 +26,8 @@
     <string name="symbols_preceded_by_space">([{&amp;</string>
     <!-- Symbols that are normally followed by a space (used to add an auto-space after these) -->
     <string name="symbols_followed_by_space">.,;:!?)]}&amp;</string>
+    <!-- Symbols that behave like a single punctuation when typed next to each other -->
+    <string name="symbols_clustering_together"></string>
     <!-- Symbols that separate words -->
     <!-- Don't remove the enclosing double quotes, they protect whitespace (not just U+0020) -->
     <string name="symbols_word_separators">"&#x0009;&#x0020;&#x000A;&#x00A0;"()[]{}*&amp;&lt;&gt;+=|.,;:!?/_\"</string>