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thierry volpiatto authored
* lisp/files.el (files-equal-p): New, simple equality check between two filename. (file-subdir-of-p): New, Check if dir1 is subdir of dir2. (copy-directory): Return error when trying to copy a directory on itself. Add missing copy-contents arg to tramp handler. * lisp/dired-aux.el (dired-copy-file-recursive): Same. (dired-create-files): Modify destination when source is equal to dest when copying files. Return also when dest is a subdir of source.
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