master 5079826: Expand the ` doc string slightly

[Lars Ingebrigtsen]

branch: master
commit 50798267f262d50bbe6cf755d19c2f6e08299695
Author: Lars Ingebrigtsen <larsi@gnus.org>
Commit: Lars Ingebrigtsen <larsi@gnus.org>

    Expand the ` doc string slightly
    
    * lisp/emacs-lisp/backquote.el (backquote): Note that ` is used
    for other things in some macros (bug#25462).
---
 lisp/emacs-lisp/backquote.el | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lisp/emacs-lisp/backquote.el b/lisp/emacs-lisp/backquote.el
index 173c116..fe39e8d 100644
--- 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