nested replacement fields may omit arg_id #1681
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syntax.html already has examples like `fmt::format("{:.{}f}", 3.14, 1)` using this,
and https://en.cppreference.com/w/cpp/utility/format/formatter#width_and_precision shows that this is the case for the C++20 std::format
The Format Specification Mini-Language grammar seems to be the only one not showing this; update it to match.
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Good catch, thanks! |
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syntax.html already has examples like
fmt::format("{:.{}f}", 3.14, 1)using this,and https://en.cppreference.com/w/cpp/utility/format/formatter#width_and_precision shows that this is the case for the C++20 std::format
The Format Specification Mini-Language grammar seems to be the only one not showing this; update it to match.
I agree that my contributions are licensed under the {fmt} license, and agree to future changes to the licensing.
Closes fmtlib/fmt.dev#10