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-rw-r--r--lisp/info.el6
1 files changed, 5 insertions, 1 deletions
diff --git a/lisp/info.el b/lisp/info.el
index be58d065049..993a31c963e 100644
--- a/lisp/info.el
+++ b/lisp/info.el
@@ -69,7 +69,11 @@ in paths.el.")
"List of directories to search for Info documentation files.
nil means not yet initialized. In this case, Info uses the environment
variable INFOPATH to initialize it, or `Info-default-directory-list'
-if there is no INFOPATH variable in the environment.")
+if there is no INFOPATH variable in the environment.
+The last element of `Info-default-directory-list' is the directory
+where Emacs's installs the Info files that come with it.
+If Emacs finds it has been installed elsewhere, or not yet installed,
+it replaces that element with the directory that its Info files are in.")
(defvar Info-current-file nil
"Info file that Info is now looking at, or nil.")