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A "<" can be added before an index in the [..] operator to count from the end instead. This is convenient to e.g. chop off the last element in an array: a[..<1]. o New `[..] operator function. Range operations have been separated from the `[] operator function and is handled by a new `[..] which provides greater control in how the range bounds are specified. For compatibility, if there is no `[..] then `[] is still called for range operations.
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o Unicode escapes.
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Pike now understands the common way to escape unicode chars, using
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\uxxxx and \Uxxxxxxxx escapes. These escapes works both in string
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and character literals and in the preprocessor. The latter means
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that unicode escapes can be used in identifiers, which is useful if
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they contain characters that can't be represented raw in the source
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code charset.
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o Stdio.* Stdio.cp can now work recursively in a directory tree. Stdio.cp now keeps permissions when copying. Added Stdio.recursive_mv which works on every OS and also when the destination isn't on the same filesystem as the source. o Process.popen Process.popen is now able to run in nonblocking mode. If a second argument is provided a file object will be opened with that mode and return, enabling two way communication with the new process.