file-attributes has a new optional arg FOLLOW-SYMLINKS.
* doc/lispref/files.texi (File Attributes): Describe it. (Magic File Names): Use it. * etc/NEWS: Document the change. * lisp/files.el (remote-file-name-inhibit-cache): * lisp/time.el (display-time-file-nonempty-p): Use it. * lisp/files.el (after-find-file): Don't chase links before calling file-exists-p, as file-exists-p already does the right thing. * src/dired.c (directory_files_internal, Ffile_attributes): New arg follow_symlinks. All uses changed.
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