diff options
Diffstat (limited to 'lisp/calc')
| -rw-r--r-- | lisp/calc/calc-misc.el | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lisp/calc/calc-misc.el b/lisp/calc/calc-misc.el index ac1b262160..1d9c02a47a 100644 --- a/lisp/calc/calc-misc.el +++ b/lisp/calc/calc-misc.el @@ -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] |