[Emacs-diffs] emacs-26 898a3e4: Minor improvement in Emacs user manual

[Eli Zaretskii]

branch: emacs-26
commit 898a3e47846e78453e89f9f46673297e962dbd70
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>

    Minor improvement in Emacs user manual
    
    * doc/emacs/files.texi (Directories): Document that
    'directory-free-space-program' and 'directory-free-space-args' are
    only for local filesystems.  Suggested by Michael Albinus
    <address@hidden> in address@hidden
---
 doc/emacs/files.texi | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/doc/emacs/files.texi b/doc/emacs/files.texi
index 0b7a6bc..45db6d8 100644
--- a/doc/emacs/files.texi
+++ b/doc/emacs/files.texi
@@ -1302,10 +1302,14 @@ default).
 @vindex directory-free-space-program
 @vindex directory-free-space-args
   In verbose directory listings, Emacs adds information about the
-amount of free space on the disk that contains the directory.  To do
-this, it runs the program specified by
address@hidden with arguments
address@hidden
+amount of free space on the disk that contains the directory.  You can
+customize how this is done for local filesystems via the variables
address@hidden and
address@hidden: the former specifies what program to
+run (default: @command{df}), the latter which arguments to pass to
+that program (default is system-dependent).  (On MS-Windows and
+MS-DOS, these two variables are ignored, and an internal Emacs
+implementation of the same functionality is used instead.)
 
   The command @kbd{M-x delete-directory} prompts for a directory's name
 using the minibuffer, and deletes the directory if it is empty.  If