diff --git a/src/parser3.h b/src/parser3.h
index 570399f..9d55868 100644
--- a/src/parser3.h
+++ b/src/parser3.h
@@ -345,6 +345,9 @@ inline Status n_string2(Parser3 *self) {
   if (uint8_t(*self->buf) < 0x20) {
     return S_REJECT;
   }
+  if (*self->buf != '"') {
+    self->callbacks->on_string_data(self->data, self->buf, 1);
+  }
   if (int8_t(*self->buf) > 0) {
     // one byte utf-8 encoding
     switch (*self->buf) {
@@ -399,6 +402,7 @@ inline Status n_string_following_escape(Parser3 *self) {
   if (self->len() == 0) {
     return S_REJECT;
   }
+  self->callbacks->on_string_data(self->data, self->buf, 1);
   switch (*self->buf) {
   case '"':
   case '\\':
@@ -431,6 +435,7 @@ inline Status t_utf8_continuation_byte(Parser3 *self) {
     return S_REJECT;
   }
   if ((*self->buf & 0b11000000) == 0b10000000) {
+    self->callbacks->on_string_data(self->data, self->buf, 1);
     ++self->buf;
     self->pop();
     MUSTTAIL return Parser3::keepGoing(self);
@@ -469,6 +474,7 @@ inline Status t_hex(Parser3 *self) {
   if (('0' <= *self->buf && *self->buf <= '9') ||
       ('a' <= *self->buf && *self->buf <= 'f') ||
       ('A' <= *self->buf && *self->buf <= 'F')) {
+    self->callbacks->on_string_data(self->data, self->buf, 1);
     ++self->buf;
     self->pop();
     MUSTTAIL return Parser3::keepGoing(self);
@@ -490,6 +496,7 @@ inline Status n_integer(Parser3 *self) {
   }
   switch (*self->buf) {
   case '0':
+    self->callbacks->on_number_data(self->data, self->buf, 1);
     ++self->buf;
     self->pop();
     MUSTTAIL return Parser3::keepGoing(self);
@@ -502,6 +509,7 @@ inline Status n_integer(Parser3 *self) {
   case '7':
   case '8':
   case '9':
+    self->callbacks->on_number_data(self->data, self->buf, 1);
     ++self->buf;
     self->pop();
     if (auto s = self->push({N_DIGITS2})) {
@@ -509,6 +517,7 @@ inline Status n_integer(Parser3 *self) {
     }
     MUSTTAIL return Parser3::keepGoing(self);
   case '-':
+    self->callbacks->on_number_data(self->data, self->buf, 1);
     ++self->buf;
     self->pop();
     if (auto s = self->push({N_INTEGER2})) {
@@ -526,6 +535,7 @@ inline Status n_integer2(Parser3 *self) {
   }
   switch (*self->buf) {
   case '0':
+    self->callbacks->on_number_data(self->data, self->buf, 1);
     ++self->buf;
     self->pop();
     MUSTTAIL return Parser3::keepGoing(self);
@@ -538,6 +548,7 @@ inline Status n_integer2(Parser3 *self) {
   case '7':
   case '8':
   case '9':
+    self->callbacks->on_number_data(self->data, self->buf, 1);
     ++self->buf;
     self->pop();
     if (auto s = self->push({N_DIGITS2})) {
@@ -564,6 +575,7 @@ inline Status n_digits(Parser3 *self) {
   case '7':
   case '8':
   case '9':
+    self->callbacks->on_number_data(self->data, self->buf, 1);
     ++self->buf;
     self->pop();
     if (auto s = self->push({N_DIGITS2})) {
@@ -591,6 +603,7 @@ inline Status n_digits2(Parser3 *self) {
   case '7':
   case '8':
   case '9':
+    self->callbacks->on_number_data(self->data, self->buf, 1);
     ++self->buf;
     MUSTTAIL return Parser3::keepGoing(self);
   default:
@@ -606,6 +619,7 @@ inline Status n_fraction(Parser3 *self) {
   }
   switch (*self->buf) {
   case '.':
+    self->callbacks->on_number_data(self->data, self->buf, 1);
     ++self->buf;
     self->pop();
     if (auto s = self->push({N_DIGITS})) {
@@ -626,6 +640,7 @@ inline Status n_exponent(Parser3 *self) {
   switch (*self->buf) {
   case 'e':
   case 'E':
+    self->callbacks->on_number_data(self->data, self->buf, 1);
     ++self->buf;
     self->pop();
     if (auto s = self->push({N_SIGN, N_DIGITS})) {
@@ -646,6 +661,7 @@ inline Status n_sign(Parser3 *self) {
   switch (*self->buf) {
   case '+':
   case '-':
+    self->callbacks->on_number_data(self->data, self->buf, 1);
     ++self->buf;
     self->pop();
     MUSTTAIL return Parser3::keepGoing(self);