all: replace "NB:" with "Note:" (docs/comments)

vlib/sync/bench/many_writers_and_receivers_on_1_channel.v

@@ -39,7 +39,7 @@ fn do_rec(ch chan int, id int, mut ctx Context) {
 	mut timer_sw_x := time.new_stopwatch()
 	mut tmp := int(0)
 	mut i := int(0)
-	// NB: a single receiver thread can get slightly more
+	// Note: a single receiver thread can get slightly more
 	// than its fair share of sends, that is why
 	// the receiver's Event array is much larger,
 	// enough so a single receiver can potentially process all

vlib/sync/once_with_param_test.v

@@ -1,6 +1,6 @@
 import sync
 
-// NB: this is the same test as `vlib/sync/once_test.v`, but
+// Note: this is the same test as `vlib/sync/once_test.v`, but
 // it uses an explicit passing of the voidptr parameter in
 // once.do_with_param/2, instead of passing a closure of it
 // in once.do/1.

vlib/sync/pool/pool_test.v

@@ -42,7 +42,7 @@ fn test_work_on_strings() {
 }
 
 fn test_work_on_ints() {
-	// NB: since maxjobs is left empty here,
+	// Note: since maxjobs is left empty here,
 	// the pool processor will use njobs = runtime.nr_jobs so that
 	// it will work optimally without overloading the system
 	mut pool_i := pool.new_pool_processor(

vlib/sync/stdatomic/atomic.c.v

@@ -5,7 +5,7 @@ module stdatomic
 //
 // On windows tcc can simulate with other atomic operations.
 //
-// NB: this implementations should be regarded as alpha stage and be tested
+// Note: this implementations should be regarded as alpha stage and be tested
 // much more.
 
 // add_u64 adds provided delta as an atomic operation

vlib/sync/stdatomic/atomic_test.v

@@ -32,7 +32,7 @@ fn test_count_10_times_1_cycle_should_not_be_10_cycles_without_sync() {
 		go count_one_cycle_without_sync(mut counter, mut wg)
 	}
 	wg.wait()
-	// NB: we do not assert here, just print, because sometimes by chance counter.counter may be == desired_iterations
+	// Note: we do not assert here, just print, because sometimes by chance counter.counter may be == desired_iterations
 	eprintln('without synchronization the counter is: ${counter.counter:10} , expectedly != ${desired_iterations:10}')
 }
 

vlib/sync/threads/threads.c.v

@@ -5,7 +5,7 @@ module threads
 // See vlib/v/parser/pratt.v, search for ast.GoExpr .
 // The goal is that programs, that do not use threads at all will not need
 // to link to -lpthread etc.
-// NB: on some platforms like Android, linking -lpthread is not needed too.
+// Note: on some platforms like Android, linking -lpthread is not needed too.
 // See https://stackoverflow.com/a/31277163/1904615
 
 $if !windows && !android {