Escaping / to make json embeddable in xml\/html.

parson.c

@@ -842,6 +842,7 @@ static int json_serialize_string(const char *string, char *buf) {
         switch (c) {
             case '\"': APPEND_STRING("\\\""); break;
             case '\\': APPEND_STRING("\\\\"); break;
+            case '/':  APPEND_STRING("\\/"); break; /* to make json embeddable in xml\/html */
             case '\b': APPEND_STRING("\\b"); break;
             case '\f': APPEND_STRING("\\f"); break;
             case '\n': APPEND_STRING("\\n"); break;

tests/test_2_pretty.txt

@@ -27,7 +27,7 @@
         81,
         100
     ],
-    "/*": null,
+    "\/*": null,
     "object": {
         "nested string": "str",
         "nested true": true,
@@ -39,11 +39,11 @@
             "ipsum"
         ]
     },
-    "*/": null,
-    "/**/": "comment",
-    "//": "comment",
-    "url": "https://www.example.com/search?q=12345",
-    "escaped chars": "\" \\ /",
+    "*\/": null,
+    "\/**\/": "comment",
+    "\/\/": "comment",
+    "url": "https:\/\/www.example.com\/search?q=12345",
+    "escaped chars": "\" \\ \/",
     "empty object": {},
     "empty array": []
 }