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ednolan merged 1 commit into from
Nov 2, 2025
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Consistent Title Case #133

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14 changes: 7 additions & 7 deletions paper/P2728.md
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Expand Up @@ -314,7 +314,7 @@ You can also substitute a different replacement character by changing the
result of the `else` clause, or add exception-based error handling by throwing
at that point.

### Why there are three `to_utfN_view`s and no `to_utf_view`
### Why There Are Three `to_utfN_view`s and No `to_utf_view`

The views in `std::ranges` are constrained to accept only `std::ranges::view`
template parameters. However, they accept `std::ranges::viewable_range`s in
Expand Down Expand Up @@ -367,14 +367,14 @@ an exposition-only transformation functor that performs the needed cast.

# Additional Examples

## Transcoding a UTF-8 string literal to a `std::u32string`
## Transcoding a UTF-8 String Literal to a `std::u32string`

```cpp
std::u32string hello_world =
u8"こんにちは世界" | std::views::to_utf32 | std::ranges::to<std::u32string>();
```

## Sanitizing potentially invalid Unicode
## Sanitizing Potentially Invalid Unicode

Note that transcoding to and from the same encoding is not a no-op; it must
maintain the invariant that the output of a transcoding view is always valid
Expand All @@ -387,7 +387,7 @@ std::basic_string<CharT> sanitize(CharT const* str) {
}
```

## Returning the final non-ASCII code point in a string, transcoding backwards lazily:
## Returning the Final Non-ASCII Code Point in a String, Transcoding Backwards Lazily:

```cpp
std::optional<char32_t> last_nonascii(std::ranges::view auto str) {
Expand All @@ -399,7 +399,7 @@ std::optional<char32_t> last_nonascii(std::ranges::view auto str) {
}
```

## Transcoding strings and throwing a descriptive exception on invalid UTF
## Transcoding Strings and Throwing a Descriptive Exception on Invalid UTF

(This assumes a reflection-based `enum_to_string` function.)

Expand Down Expand Up @@ -427,7 +427,7 @@ std::basic_string<ToChar> transcode_or_throw(std::basic_string_view<FromChar> in
u8"hi🙂" | std::views::take(5) | std::ranges::to<std::u8string>());
```

## Changing the suits of Unicode playing card characters:
## Changing the Suits of Unicode Playing Card Characters:

```cpp
enum class suit : std::uint8_t {
Expand Down Expand Up @@ -481,7 +481,7 @@ Both libraries have comprehensive tests.

# Wording

## Additional helper concepts
## Additional Helper Concepts

Add the following to [range.utility.helpers]{.sref}:

Expand Down
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