* lisp/subr.el (definition-prefixes): Expand docstring

* lisp/emacs-lisp/autoload.el (autoload--split-prefixes):
Remove unused function.

1 files changed, 4 insertions, 0 deletions

diff --git a/etc/NEWS b/etc/NEWS
index 56f0ef8de24..b2e42e3f91b 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -385,6 +385,10 @@ function 'check-declare-errmsg' has been removed.
 
 * Lisp Changes in Emacs 25.2
 
+** New var `definition-prefixes' is a hashtable mapping prefixes to the
+files where corresponding definitions can be found.  This can be used
+to fetch definitions that are not yet loaded, for example for `C-h f'.
+
 ** New var syntax-ppss-table to control the syntax-table used in syntax-ppss.
 
 +++