Automated g4 rollback of changelist 35383.

*** Reason for rollback ***

roll back the changes to the tutorial programs (only) since they
break the automated processing used to create the tutorial.

*** Original change description ***

apply gofmt to the LGTM-marked files from 34501
that have not changed since I applied gofmt.

R=rsc
DELTA=139  (0 added, 44 deleted, 95 changed)
OCL=35670
CL=35670

1 files changed, 7 insertions, 7 deletions

diff --git a/doc/progs/sieve.go b/doc/progs/sieve.go
index 601c2c410..cd011d293 100644
--- a/doc/progs/sieve.go
+++ b/doc/progs/sieve.go
@@ -9,7 +9,7 @@ import "fmt"
 // Send the sequence 2, 3, 4, ... to channel 'ch'.
 func generate(ch chan int) {
 	for i := 2; ; i++ {
-		ch <- i;	// Send 'i' to channel 'ch'.
+		ch <- i  // Send 'i' to channel 'ch'.
 	}
 }
 
@@ -17,22 +17,22 @@ func generate(ch chan int) {
 // removing those divisible by 'prime'.
 func filter(in, out chan int, prime int) {
 	for {
-		i := <-in;	// Receive value of new variable 'i' from 'in'.
-		if i%prime != 0 {
-			out <- i;	// Send 'i' to channel 'out'.
+		i := <-in;  // Receive value of new variable 'i' from 'in'.
+		if i % prime != 0 {
+			out <- i  // Send 'i' to channel 'out'.
 		}
 	}
 }
 
 // The prime sieve: Daisy-chain filter processes together.
 func main() {
-	ch := make(chan int);	// Create a new channel.
-	go generate(ch);	// Start generate() as a goroutine.
+	ch := make(chan int);  // Create a new channel.
+	go generate(ch);  // Start generate() as a goroutine.
 	for {
 		prime := <-ch;
 		fmt.Println(prime);
 		ch1 := make(chan int);
 		go filter(ch, ch1, prime);
-		ch = ch1;
+		ch = ch1
 	}
 }