De-capitalize "note" to get rid of spurious tidy warnings

src/libcore/task/local_data_priv.rs

@@ -59,7 +59,7 @@ impl LocalData: Eq {
 unsafe fn get_task_local_map(task: *rust_task) -> TaskLocalMap {
 
     // Relies on the runtime initialising the pointer to null.
-    // NOTE: The map's box lives in TLS invisibly referenced once. Each time
+    // Note: The map's box lives in TLS invisibly referenced once. Each time
     // we retrieve it for get/set, we make another reference, which get/set
     // drop when they finish. No "re-storing after modifying" is needed.
     let map_ptr = rt::rust_get_task_local_data(task);

src/libstd/getopts.rs

@@ -1295,7 +1295,7 @@ pub fn test_groups_getopts() {
         let sample_args = ~[~"-k", ~"15", ~"--apple", ~"1", ~"k",
                             ~"-p", ~"16", ~"l", ~"35"];
 
-        // NOTE: we should sort before comparing
+        // FIXME #4681: sort options here?
         assert getopts(sample_args, short)
             == groups::getopts(sample_args, verbose);
     }

src/libsyntax/ext/fmt.rs

@@ -50,7 +50,7 @@ fn parse_fmt_err_(cx: ext_ctxt, sp: span, msg: &str) -> ! {
 // FIXME (#2249): A lot of these functions for producing expressions can
 // probably be factored out in common with other code that builds
 // expressions.  Also: Cleanup the naming of these functions.
-// NOTE: Moved many of the common ones to build.rs --kevina
+// Note: Moved many of the common ones to build.rs --kevina
 fn pieces_to_expr(cx: ext_ctxt, sp: span,
                   pieces: ~[Piece], args: ~[@ast::expr])
    -> @ast::expr {