all: various typos

R=golang-dev, dsymonds
CC=golang-dev
https://golang.org/cl/5820045

src/pkg/index/suffixarray/qsufsort.go

@@ -11,7 +11,7 @@
 // Consecutive groups of suffixes in sa are labeled as sorted groups or
 // unsorted groups. For a given pass of the sorter, all suffixes are ordered
 // up to their first h characters, and sa is h-ordered. Suffixes in their
-// final positions and unambiguouly sorted in h-order are in a sorted group.
+// final positions and unambiguously sorted in h-order are in a sorted group.
 // Consecutive groups of suffixes with identical first h characters are an
 // unsorted group. In each pass of the algorithm, unsorted groups are sorted
 // according to the group number of their following suffix.
@@ -78,7 +78,7 @@ func sortedByFirstByte(data []byte) []int {
 	for _, b := range data {
 		count[b]++
 	}
-	// make count[b] equal index of first occurence of b in sorted array
+	// make count[b] equal index of first occurrence of b in sorted array
 	sum := 0
 	for b := range count {
 		count[b], sum = sum, count[b]+sum

src/pkg/math/big/nat.go

@@ -826,7 +826,7 @@ func (x nat) string(charset string) string {
 // iterative approach. This threshold is represented by leafSize. Benchmarking of leafSize in the 
 // range 2..64 shows that values of 8 and 16 work well, with a 4x speedup at medium lengths and 
 // ~30x for 20000 digits. Use nat_test.go's BenchmarkLeafSize tests to optimize leafSize for 
-// specfic hardware.
+// specific hardware.
 //
 func (q nat) convertWords(s []byte, charset string, b Word, ndigits int, bb Word, table []divisor) {
 	// split larger blocks recursively

src/pkg/math/erf.go

@@ -248,7 +248,7 @@ func Erf(x float64) float64 {
 		R = rb0 + s*(rb1+s*(rb2+s*(rb3+s*(rb4+s*(rb5+s*rb6)))))
 		S = 1 + s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*(sb5+s*(sb6+s*sb7))))))
 	}
-	z := Float64frombits(Float64bits(x) & 0xffffffff00000000) // pseudo-single (20-bit) precison x
+	z := Float64frombits(Float64bits(x) & 0xffffffff00000000) // pseudo-single (20-bit) precision x
 	r := Exp(-z*z-0.5625) * Exp((z-x)*(z+x)+R/S)
 	if sign {
 		return r/x - 1
@@ -321,7 +321,7 @@ func Erfc(x float64) float64 {
 			R = rb0 + s*(rb1+s*(rb2+s*(rb3+s*(rb4+s*(rb5+s*rb6)))))
 			S = 1 + s*(sb1+s*(sb2+s*(sb3+s*(sb4+s*(sb5+s*(sb6+s*sb7))))))
 		}
-		z := Float64frombits(Float64bits(x) & 0xffffffff00000000) // pseudo-single (20-bit) precison x
+		z := Float64frombits(Float64bits(x) & 0xffffffff00000000) // pseudo-single (20-bit) precision x
 		r := Exp(-z*z-0.5625) * Exp((z-x)*(z+x)+R/S)
 		if sign {
 			return 2 - r/x

src/pkg/net/interface_linux.go

@@ -13,7 +13,7 @@ import (
 )
 
 // If the ifindex is zero, interfaceTable returns mappings of all
-// network interfaces.  Otheriwse it returns a mapping of a specific
+// network interfaces.  Otherwise it returns a mapping of a specific
 // interface.
 func interfaceTable(ifindex int) ([]Interface, error) {
 	tab, err := syscall.NetlinkRIB(syscall.RTM_GETLINK, syscall.AF_UNSPEC)

src/pkg/net/interface_stub.go

@@ -9,7 +9,7 @@
 package net
 
 // If the ifindex is zero, interfaceTable returns mappings of all
-// network interfaces.  Otheriwse it returns a mapping of a specific
+// network interfaces.  Otherwise it returns a mapping of a specific
 // interface.
 func interfaceTable(ifindex int) ([]Interface, error) {
 	return nil, nil

src/pkg/net/interface_windows.go

@@ -56,7 +56,7 @@ func getInterfaceList() ([]syscall.InterfaceInfo, error) {
 }
 
 // If the ifindex is zero, interfaceTable returns mappings of all
-// network interfaces.  Otheriwse it returns a mapping of a specific
+// network interfaces.  Otherwise it returns a mapping of a specific
 // interface.
 func interfaceTable(ifindex int) ([]Interface, error) {
 	ai, err := getAdapterList()

src/pkg/syscall/syscall_linux.go

@@ -627,7 +627,7 @@ func ptracePeek(req int, pid int, addr uintptr, out []byte) (count int, err erro
 
 	// Remainder.
 	for len(out) > 0 {
-		// We use an internal buffer to gaurantee alignment.
+		// We use an internal buffer to guarantee alignment.
 		// It's not documented if this is necessary, but we're paranoid.
 		err = ptrace(req, pid, addr+uintptr(n), uintptr(unsafe.Pointer(&buf[0])))
 		if err != nil {