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A general description is here.
‘Rterm’ now works also when invoked from MSYS2 terminals. Line editing
is possible when ‘winpty’ is installed.
Most functions with file-path inputs will give an explicit error if a file-path input in a marked encoding cannot be translated (to the native encoding or in some cases on Windows to UTF-8), rather than translate to a different file path using escapes. Some (such as ‘dir.exists()’, ‘file.exists()’, ‘file.access()’, ‘file.info()’, ‘normalizePath()’ and ‘path.expand()’) treat this like any other non-existent file, with a warning.