Expand the ` doc string slightly

* lisp/emacs-lisp/backquote.el (backquote): Note that ` is used
for other things in some macros (bug#25462).

diff --git a/lisp/emacs-lisp/backquote.el b/lisp/emacs-lisp/backquote.el
index 173c11644d5c07d12b691dc8746b1721c70dc695..fe39e8d099922c88311055dc4b2751fb4b6094fa 100644 (file)
--- a/lisp/emacs-lisp/backquote.el
+++ b/lisp/emacs-lisp/backquote.el
@@ -103,7 +103,10 @@ b              => (ba bb bc)               ; assume b has this value
 \\=`(a ,b c)      => (a (ba bb bc) c)  ; insert the value of b
 \\=`(a ,@b c)     => (a ba bb bc c)    ; splice in the value of b
 
-Vectors work just like lists.  Nested backquotes are permitted."
+Vectors work just like lists.  Nested backquotes are permitted.
+
+Note that some macros, such as `pcase', use this symbol for other
+purposes."
   (cdr (backquote-process structure)))
 
 ;; GNU Emacs has no reader macros