Fix minor quoting problems in doc strings

[gnu-emacs] / lisp / calc / calc-misc.el

diff --git a/lisp/calc/calc-misc.el b/lisp/calc/calc-misc.el
index ac1b2621605c89ebdc983aba557c1696e616992f..60c6fb9782c24074359c32fa23cd60b982e97eeb 100644 (file)
--- a/lisp/calc/calc-misc.el
+++ b/lisp/calc/calc-misc.el
@@ -1,6 +1,6 @@
 ;;; calc-misc.el --- miscellaneous functions for Calc
 
-;; Copyright (C) 1990-1993, 2001-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1990-1993, 2001-2015 Free Software Foundation, Inc.
 
 ;; Author: David Gillespie <daveg@synaptics.com>
 ;; Maintainer: Jay Belanger <jay.p.belanger@gmail.com>
@@ -89,7 +89,7 @@ For use with Embedded mode:
   N  calc-embedded-next.  Advance cursor to next known formula in buffer.
   P  calc-embedded-previous.  Advance cursor to previous known formula.
   U  calc-embedded-update-formula.  Re-evaluate formula at point.
-  `  calc-embedded-edit.  Use calc-edit to edit formula at point.
+  \\=`  calc-embedded-edit.  Use calc-edit to edit formula at point.
 
 Documentation:
   I  calc-info.  Read the Calculator manual in the Emacs Info system.
@@ -225,7 +225,7 @@ Calc user interface as before (either C-x * C or C-x * K; initially C-x * C).
           "Letter keys: SHIFT + Num-eval; More-recn; eXec-kbd-macro; Keep-args"
           "Other keys: +, -, *, /, ^, \\ (int div), : (frac div)"
           "Other keys: & (1/x), | (concat), % (modulo), ! (factorial)"
-          "Other keys: ' (alg-entry), = (eval), ` (edit); M-RET (last-args)"
+          "Other keys: ' (alg-entry), = (eval), \\=` (edit); M-RET (last-args)"
           "Other keys: SPC/RET (enter/dup), LFD (over); < > (scroll horiz)"
           "Other keys: DEL (drop), M-DEL (drop-above); { } (scroll vert)"
           "Other keys: TAB (swap/roll-dn), M-TAB (roll-up)"
@@ -305,7 +305,8 @@ Calc user interface as before (either C-x * C or C-x * K; initially C-x * C).
               (string-match "\\`\\*" (car stuff)))
          (setq stuff (cons '* (cons (substring (car stuff) 1)
                                     (cdr stuff)))))))
-  (setq calc-next-why (cons stuff calc-next-why))
+  (unless (member stuff calc-next-why)
+    (setq calc-next-why (cons stuff calc-next-why)))
   nil)
 
 ;; True if A is a constant or vector of constants.  [P x] [Public]