isGap slightly more efficient

diff --git a/src/jalview/util/Comparison.java b/src/jalview/util/Comparison.java
index c779bb1..9b61798 100755 (executable)
--- a/src/jalview/util/Comparison.java
+++ b/src/jalview/util/Comparison.java
@@ -238,6 +238,6 @@ public class Comparison
      */\r
     public static boolean isGap(char c)\r
     {\r
-        return ((c != '.') && (c != '-') && (c != ' ')) ? false : true;\r
+        return (  c=='-' || c=='.' || c==' ' ) ? true : false;\r
     }\r
 }\r