Escape backslashes in wxJSScriptWrapper to allow strings with backslashes in them to work again -- this was broken while implementing support for returning values from JavaScript to C++. See https://github.com/wxWidgets/wxWidgets/pull/741
Escape backslashes in wxJSScriptWrapper to allow strings with backslashes in them to work again -- this was broken while implementing support for returning values from JavaScript to C++. See https://github.com/wxWidgets/wxWidgets/pull/741