Issue #13088: Add shared Py_hexdigits constant to format a number into base 16
diff --git a/Modules/_codecsmodule.c b/Modules/_codecsmodule.c
index c9843c2..26c8788 100644
--- a/Modules/_codecsmodule.c
+++ b/Modules/_codecsmodule.c
@@ -162,7 +162,6 @@
 escape_encode(PyObject *self,
               PyObject *args)
 {
-    static const char *hexdigits = "0123456789abcdef";
     PyObject *str;
     Py_ssize_t size;
     Py_ssize_t newsize;
@@ -205,8 +204,8 @@
             else if (c < ' ' || c >= 0x7f) {
                 *p++ = '\\';
                 *p++ = 'x';
-                *p++ = hexdigits[(c & 0xf0) >> 4];
-                *p++ = hexdigits[c & 0xf];
+                *p++ = Py_hexdigits[(c & 0xf0) >> 4];
+                *p++ = Py_hexdigits[c & 0xf];
             }
             else
                 *p++ = c;