(Editing Abbrevs): Mention system abbrevs.

1 files changed, 4 insertions, 0 deletions

diff --git a/man/abbrevs.texi b/man/abbrevs.texi
index 0283b332976..34d8db82065 100644
--- a/man/abbrevs.texi
+++ b/man/abbrevs.texi
@@ -255,6 +255,10 @@ keeps track of this to help you see which abbrevs you actually use, so
 that you can eliminate those that you don't use often.  The string at
 the end of the line is the expansion.
 
+  Some abbrevs are marked with ``(sys)''. These ``system'' abbrevs
+(@pxref{Abbrevs,,, elisp, The Emacs Lisp Reference Manual}) are
+pre-defined by various modes, and are not saved to your abbrev file.
+
 @findex edit-abbrevs
 @kindex C-c C-c @r{(Edit Abbrevs)}
   @kbd{M-x edit-abbrevs} allows you to add, change or kill abbrev