Added escape sequences

src/build/token/Tokenize.go

@@ -76,7 +76,7 @@ func Tokenize(buffer []byte) List {
 			i++
 
 			for i < Position(len(buffer)) {
-				if buffer[i] == limiter {
+				if buffer[i] == limiter && (buffer[i-1] != '\\' || buffer[i-2] == '\\') {
 					end = i + 1
 					i++
 					break