Don't lowercase linguistics annotations

Tokens are already lowercased by our bundled linguistics components.
Lowercasing again when annotating precludes plugging in a lingustics
component which preserves casing.

2 files changed, 2 insertions, 2 deletions

diff --git a/linguistics/src/main/java/com/yahoo/language/LinguisticsCase.java b/linguistics/src/main/java/com/yahoo/language/LinguisticsCase.java
index 5ad6a382abd..f0439a21fec 100644
--- a/linguistics/src/main/java/com/yahoo/language/LinguisticsCase.java
+++ b/linguistics/src/main/java/com/yahoo/language/LinguisticsCase.java
@@ -26,6 +26,7 @@ public class LinguisticsCase {
     public static String toLowerCase(String in) {
         // def is picked from http://docs.oracle.com/javase/6/docs/api/java/lang/String.html#toLowerCase%28%29
         // Also, at the time of writing, English is the default language for queries
+        if (in == null) return null;
         return Lowercase.toLowerCase(in);
     }
 
diff --git a/linguistics/src/main/java/com/yahoo/language/process/GramSplitter.java b/linguistics/src/main/java/com/yahoo/language/process/GramSplitter.java
index 33f5ee7e4bb..9178c2d7e09 100644
--- a/linguistics/src/main/java/com/yahoo/language/process/GramSplitter.java
+++ b/linguistics/src/main/java/com/yahoo/language/process/GramSplitter.java
@@ -189,9 +189,8 @@ public class GramSplitter {
         @Override
         public boolean equals(Object o) {
             if (this == o) return true;
-            if ( ! (o instanceof Gram)) return false;
+            if ( ! (o instanceof Gram gram)) return false;
 
-            Gram gram = (Gram)o;
             if (codePointCount != gram.codePointCount) return false;
             if (start != gram.start) return false;
             return true;