• Compiler Used: Microsoft Visual C++ 2017
• Operating System: Windows 10
• Architecture (ARM/x86/32bit/64bit/etc): 32/64

Expected Behavior

to_json(from_json("{\"aa\\\\zz\": \"aa\\\\zz\"}"))
{
  "aa\\zz" : "aa\\zz"
}

Actual Behavior

to_json(from_json("{\"aa\\\\zz\": \"aa\\\\zz\"}"))
{
  "aa\zz" : "aa\\zz"
}

Minimal Example to Reproduce Behavior

to_json(from_json("{\"aa\\\\zz\": \"aa\\\\zz\"}"))