Mention we don't validate utf-8

src/test.cpp

@@ -206,7 +206,8 @@ constexpr static struct Tables {
 namespace {
 
 // Straightforward recursive descent that doesn't handle string escaping and
-// all numbers. May stack overflow on deeply nested json documents
+// all numbers. Does not validate utf-8. May stack overflow on deeply nested
+// json documents
 struct Parser1 {
   Parser1(char *buf, int len, const Callbacks *callbacks, void *data)
       : buf(buf), bufEnd(buf + len), callbacks(callbacks), data(data) {}
@@ -453,7 +454,7 @@ private:
 #endif
 
 // Table-based ll(1) parser that doesn't handle escaping and all numbers, with a
-// streaming interface. Uses O(1) memory.
+// streaming interface. Does not validate utf-8. Uses O(1) memory.
 struct Parser2 {
   Parser2(const Callbacks *callbacks, void *data)
       : callbacks(callbacks), data(data) {