Merge pull request #143 from henrikhodne/do-not-quote-9

Text formatter: Do not quote 9

text_formatter.go

@@ -107,7 +107,7 @@ func needsQuoting(text string) bool {
 	for _, ch := range text {
 		if !((ch >= 'a' && ch <= 'z') ||
 			(ch >= 'A' && ch <= 'Z') ||
-			(ch >= '0' && ch < '9') ||
+			(ch >= '0' && ch <= '9') ||
 			ch == '-' || ch == '.') {
 			return false
 		}

text_formatter_test.go

@@ -25,6 +25,7 @@ func TestQuoting(t *testing.T) {
 
 	checkQuoting(false, "abcd")
 	checkQuoting(false, "v1.0")
+	checkQuoting(false, "1234567890")
 	checkQuoting(true, "/foobar")
 	checkQuoting(true, "x y")
 	checkQuoting(true, "x,y")