Am 03.09.2012 21:26, schrieb Junio C Hamano:
> Nguyễn Thái Ngọc Duy <pclo...@gmail.com> writes:
>> fetch does printf("%-*s", width, "foo") where "foo" can be an utf-8
>> string, but width is bytes, not letters. This results in misaligned
>> ref summary table.
> "but width is bytes, not letters" is a misleading statement.
> Be careful about three different quantities when talking about
> aligning on terminal output with monospaced fonts:
> - How many bytes does the string occupy in memory?
> - How many unicode codepoints are in the string?
> - How many display columns does the string occupy on terminal?
> Note that some "letters" (e.g. Han) occupy two display columns, and
> you want to measure the "width" and compensate that for "bytes".
> Letter count do not come into the picture for the purpose of aligning
> the terminal output.
If I'm reading POSIX correctly, printf measures the width in %*s in bytes.
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