fix #36. wrong skip checks in Squeeze

translate.go

@@ -492,8 +492,9 @@ func Count(str, pattern string) int {
 // If pattern is not empty, only runes matching the pattern will be squeezed.
 //
 // Samples:
-//     Squeeze("hello", "")    => "helo"
-//     Squeeze("hello", "m-z") => "hello"
+//     Squeeze("hello", "")             => "helo"
+//     Squeeze("hello", "m-z")          => "hello"
+//     Squeeze("hello   world", " ")    => "hello world"
 func Squeeze(str, pattern string) string {
 	var last, r rune
 	var size int
@@ -532,6 +533,7 @@ func Squeeze(str, pattern string) string {
 			}
 
 			last = r
+			skipSqueeze = false
 		}
 
 		str = str[size:]

translate_test.go

@@ -81,10 +81,14 @@ func TestSqueeze(t *testing.T) {
 	}
 
 	runTestCases(t, runner, _M{
-		sep("hello", ""):     "helo",
-		sep("hello", "a-k"):  "hello",
-		sep("hello", "^a-k"): "helo",
-		sep("hello", "^a-l"): "hello",
+		sep("hello", ""):             "helo",
+		sep("hello     world", ""):   "helo world",
+		sep("hello     world", " "):  "hello world",
+		sep("hello     world", "  "): "hello world",
+		sep("hello", "a-k"):          "hello",
+		sep("hello", "^a-k"):         "helo",
+		sep("hello", "^a-l"):         "hello",
+		sep("foooo baaaaar", "a"):    "foooo bar",
 
 		sep("打打打打个劫！！", ""):  "打个劫！",
 		sep("打打打打个劫！！", "打"): "打个劫！！",