Update documentation

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Florian Albrechtskirchinger 2022-08-07 06:32:25 +02:00
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@ -13,6 +13,6 @@ using json = nlohmann::json;
to the files you want to process JSON and set the necessary switches to enable C++11 (e.g., `-std=c++11` for GCC and
Clang).
You can further use file [`include/nlohmann/json_fwd.hpp`](https://github.com/nlohmann/json/blob/develop/include/nlohmann/json_fwd.hpp)
for forward-declarations. The installation of `json_fwd.hpp` (as part of CMake's install step), can be achieved by
setting `-DJSON_MultipleHeaders=ON`.
You can further use file
[`single_include/nlohmann/json_fwd.hpp`](https://github.com/nlohmann/json/blob/develop/single_include/nlohmann/json_fwd.hpp)
for forward declarations.