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Rcmd Rdiff now ignores difference between smart single quotes and '. This will probably only work correctly in single-byte locales. (This is in addition to UTF-8 directional single quotes which the Unix version has for some time equated to '.)
locale category LC_CTYPE="C" is now supported: it was previously remapped to 'en' (that is US English) due to problems in the MinGW runtime which have since been resolved.
Rcmd config is now worksimplemented.