Threat 'other symbols' as letters

The unicode class 'other symbols' contains emojis, math symbols, etc.
Treat these as letter characters to support searching for them.

1 files changed, 12 insertions, 0 deletions

diff --git a/container-search/src/test/java/com/yahoo/prelude/query/parser/test/ParseTestCase.java b/container-search/src/test/java/com/yahoo/prelude/query/parser/test/ParseTestCase.java
index 583e89bacd6..475b7beb879 100644
--- a/container-search/src/test/java/com/yahoo/prelude/query/parser/test/ParseTestCase.java
+++ b/container-search/src/test/java/com/yahoo/prelude/query/parser/test/ParseTestCase.java
@@ -2580,4 +2580,16 @@ public class ParseTestCase {
     void testNoGrammar4() {
         tester.assertParsed("WEAKAND(100) foo bar baz one two 37", "foo -(bar baz \"one two\" 37)", Query.Type.TOKENIZE);
     }
+
+    @Test
+    void testEmojis() {
+        String emoji1 = "\uD83D\uDD2A"; // 🔪
+        tester.assertParsed(emoji1, emoji1, Query.Type.ANY);
+
+        String emoji2 = "\uD83D\uDE00"; // 😀
+        tester.assertParsed(emoji2, emoji2, Query.Type.ANY);
+
+        tester.assertParsed(emoji1 + emoji2, emoji1 + emoji2, Query.Type.ANY);
+    }
+
 }