libgo: Update to current version of master library.

From-SVN: r193688

3 files changed, 13 insertions, 9 deletions

diff --git a/libgo/go/fmt/doc.go b/libgo/go/fmt/doc.go
index a9b9c9d..ff947b6 100644
--- a/libgo/go/fmt/doc.go
+++ b/libgo/go/fmt/doc.go
@@ -31,8 +31,8 @@
 		%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.FormatFloat with the 'b' format, 
+		%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
@@ -56,9 +56,12 @@
 	character '*', causing their values to be obtained from the next
 	operand, which must be of type int.
 
-	For numeric values, width sets the width of the field and precision
-	sets the number of places after the decimal, if appropriate.  For
-	example, the format %6.2f prints 123.45.
+	For numeric values, width sets the minimum width of the field and
+	precision sets the number of places after the decimal, if appropriate,
+	except that for %g/%G it sets the total number of digits. For example,
+	given 123.45 the format %6.2f prints 123.45 while %.4g prints 123.5.
+	The default precision for %e and %f is 6; for %g it is the smallest
+	number of digits necessary to identify the value uniquely.
 
 	For strings, width is the minimum number of characters to output,
 	padding with spaces if necessary, and precision is the maximum
@@ -152,6 +155,7 @@
 		%T is not implemented
 		%e %E %f %F %g %G are all equivalent and scan any floating point or complex value
 		%s and %v on strings scan a space-delimited token
+		Flags # and + are not implemented.
 
 	The familiar base-setting prefixes 0 (octal) and 0x
 	(hexadecimal) are accepted when scanning integers without a
diff --git a/libgo/go/fmt/print.go b/libgo/go/fmt/print.go
index 13e5873..dce46d8 100644
--- a/libgo/go/fmt/print.go
+++ b/libgo/go/fmt/print.go
@@ -231,7 +231,7 @@ func Sprintf(format string, a ...interface{}) string {
 	return s
 }
 
-// Errorf formats according to a format specifier and returns the string 
+// Errorf formats according to a format specifier and returns the string
 // as a value that satisfies error.
 func Errorf(format string, a ...interface{}) error {
 	return errors.New(Sprintf(format, a...))
diff --git a/libgo/go/fmt/scan.go b/libgo/go/fmt/scan.go
index d69911c..62de3a2 100644
--- a/libgo/go/fmt/scan.go
+++ b/libgo/go/fmt/scan.go
@@ -33,8 +33,8 @@ type ScanState interface {
 	ReadRune() (r rune, size int, err error)
 	// UnreadRune causes the next call to ReadRune to return the same rune.
 	UnreadRune() error
-	// SkipSpace skips space in the input. Newlines are treated as space 
-	// unless the scan operation is Scanln, Fscanln or Sscanln, in which case 
+	// SkipSpace skips space in the input. Newlines are treated as space
+	// unless the scan operation is Scanln, Fscanln or Sscanln, in which case
 	// a newline is treated as EOF.
 	SkipSpace()
 	// Token skips space in the input if skipSpace is true, then returns the
@@ -312,7 +312,7 @@ func notSpace(r rune) bool {
 	return !isSpace(r)
 }
 
-// skipSpace provides Scan() methods the ability to skip space and newline characters 
+// skipSpace provides Scan() methods the ability to skip space and newline characters
 // in keeping with the current scanning mode set by format strings and Scan()/Scanln().
 func (s *ss) SkipSpace() {
 	s.skipSpace(false)