Fixes #7 in a non-regressing way

CHANGELOG.mkd

@@ -1,5 +1,8 @@
 # Changelog
 
+## 0.2.6
+- Fixes bad handling of escape sequences when ungronning - but properly this time (issue #7)
+
 ## 0.2.5
 - Fixes bad handling of escape sequences when ungronning (issue #7)
 

ungron.go

@@ -145,16 +145,16 @@ func (l *lexer) acceptUntil(delims string) {
 // rune contained in the provided string, unless that rune was
 // escaped with a backslash
 func (l *lexer) acceptUntilUnescaped(delims string) {
-	for !strings.ContainsRune(delims, l.next()) {
-		// Hit the ending rune but it was escaped
-		if l.prev == '\\' {
-			continue
+	// Read until we hit an unescaped rune or the end of the input
+	for {
+		if strings.ContainsRune(delims, l.next()) && l.prev != '\\' {
+			l.backup()
+			return
 		}
 		if l.cur == utf8.RuneError {
 			return
 		}
 	}
-	l.backup()
 }
 
 // newLexer returns a new lexer for the provided string

ungron_test.go

@@ -28,10 +28,10 @@ func TestLex(t *testing.T) {
 			{`"ba;r"`, typValue},
 		}},
 
-		{`json.foo = "ba\r ;";`, []token{
+		{`json.foo = "ba\"r ;";`, []token{
 			{`json`, typBare},
 			{`foo`, typBare},
-			{`"ba\r ;"`, typValue},
+			{`"ba\"r ;"`, typValue},
 		}},
 
 		{`json.value = "\u003c ;"`, []token{