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18 lines
820 B
Markdown
18 lines
820 B
Markdown
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Locale Considerations
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=====================
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The editline library has basic support for locales via the use of the standard
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POSIX functions `mbrtowc` and `wcwidth`. As a result, the on-screen width of
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characters in printed text should be calculated correctly, the so-called
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[East Asian ambiguous][] characters being a notable exception.
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[East Asian ambiguous]: http://www.unicode.org/reports/tr11/tr11-38.html
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The input handling is not yet multibyte-aware. Specifically, the presence of
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non-self-synchonizing encodings requires always segmenting the whole string
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using `mbrlen` when deleting.
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Programs wishing to use the feature need to link to a build of `editline`
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configured with `--enable-locale`. In addition, the program should call
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`setlocale(LC_CTYPE, "")` to use the locale settings of the environment.
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