doc: fix comments referring to removed API funcs

        The strconv package has removed Atob, AtoF{64,32} and Ftoa.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/5540057

src/pkg/exp/sql/driver/types.go

@@ -40,7 +40,7 @@ type ValueConverter interface {
 //       1 is true
 //       0 is false,
 //       other integers are an error
-//  - for strings and []byte, same rules as strconv.Atob
+//  - for strings and []byte, same rules as strconv.ParseBool
 //  - all other types are an error
 var Bool boolType
 

src/pkg/fmt/doc.go

@@ -30,8 +30,9 @@
 		%X	base 16, with upper-case letters for A-F
 		%U	Unicode format: U+1234; same as "U+%04X"
 	Floating-point and complex constituents:
-		%b	decimalless scientific notation with exponent a power
-			of two, in the manner of strconv.Ftoa32, e.g. -123456p-78
+		%b	decimalless scientific notation with exponent a power of two, 
+			in the manner of strconv.FormatFloat with the 'b' format, 
+			e.g. -123456p-78
 		%e	scientific notation, e.g. -1234.456e+78
 		%E	scientific notation, e.g. -1234.456E+78
 		%f	decimal point but no exponent, e.g. 123.456

src/pkg/math/all_test.go

@@ -2536,7 +2536,7 @@ func TestLargeTan(t *testing.T) {
 }
 
 // Check that math constants are accepted by compiler
-// and have right value (assumes strconv.Atof works).
+// and have right value (assumes strconv.ParseFloat works).
 // http://code.google.com/p/go/issues/detail?id=201
 
 type floatTest struct {

src/pkg/strconv/fp_test.go

@@ -26,8 +26,8 @@ func pow2(i int) float64 {
 	return pow2(i/2) * pow2(i-i/2)
 }
 
-// Wrapper around strconv.Atof64.  Handles dddddp+ddd (binary exponent)
-// itself, passes the rest on to strconv.Atof64.
+// Wrapper around strconv.ParseFloat(x, 64).  Handles dddddp+ddd (binary exponent)
+// itself, passes the rest on to strconv.ParseFloat.
 func myatof64(s string) (f float64, ok bool) {
 	a := strings.SplitN(s, "p", 2)
 	if len(a) == 2 {
@@ -70,8 +70,8 @@ func myatof64(s string) (f float64, ok bool) {
 	return f1, true
 }
 
-// Wrapper around strconv.Atof32.  Handles dddddp+ddd (binary exponent)
-// itself, passes the rest on to strconv.Atof32.
+// Wrapper around strconv.ParseFloat(x, 32).  Handles dddddp+ddd (binary exponent)
+// itself, passes the rest on to strconv.ParseFloat.
 func myatof32(s string) (f float32, ok bool) {
 	a := strings.SplitN(s, "p", 2)
 	if len(a) == 2 {