fix warnings, tabs

com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/builtin/base/Options.java

@@ -53,7 +53,8 @@ public abstract class Options extends RBuiltinNode {
     public abstract String[] getArgNames();
 
     // @Specialization
-    private RList options(@SuppressWarnings("unused") RMissing x) {
+    @SuppressWarnings({"static-method", "unused"})
+    private RList options(RMissing x) {
         Set<Map.Entry<String, Object>> optionSettings = ROptions.getValues();
         Object[] data = new Object[optionSettings.size()];
         String[] names = new String[data.length];

com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/builtin/base/R/debug.R

@@ -17,9 +17,9 @@
 #  http://www.r-project.org/Licenses/
 
 debug <- function(fun, text="", condition=NULL)
-	.Internal(debug(fun, text, condition))
+        .Internal(debug(fun, text, condition))
 debugonce <- function(fun, text="", condition=NULL)
-	.Internal(debugonce(fun, text, condition))
+        .Internal(debugonce(fun, text, condition))
 undebug <- function(fun) .Internal(undebug(fun))
 isdebugged <- function(fun) .Internal(isdebugged(fun))