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docs: range formatter grammar fix #4567

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Merged
vitaut merged 1 commit into from
Oct 7, 2025
Merged

docs: range formatter grammar fix #4567

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4 changes: 3 additions & 1 deletion doc/syntax.md
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Original file line number Diff line number Diff line change
Expand Up @@ -718,7 +718,7 @@ These modifiers are only supported for the `'H'`, `'I'`, `'M'`, `'S'`, `'U'`,
Format specifications for range types have the following syntax:

<pre><code class="language-json"
>range_format_spec ::= ["n"][range_type][range_underlying_spec]</code>
>range_format_spec ::= ["n"][range_type][":" range_underlying_spec]</code>
</pre>

The `'n'` option formats the range without the opening and closing brackets.
Expand Down Expand Up @@ -761,6 +761,8 @@ fmt::print("{::}", std::vector{'h', 'e', 'l', 'l', 'o'});
// Output: [h, e, l, l, o]
fmt::print("{::d}", std::vector{'h', 'e', 'l', 'l', 'o'});
// Output: [104, 101, 108, 108, 111]
fmt::print("{:n:f}", std::array{std::numbers::pi, std::numbers::e});
// Output: 3.141593, 2.718282
```

## Format Examples
Expand Down