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Diffstat (limited to 'lisp/progmodes/prolog.el')
| -rw-r--r-- | lisp/progmodes/prolog.el | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lisp/progmodes/prolog.el b/lisp/progmodes/prolog.el index c8f6c12a3f0..9f5f9ed6d3d 100644 --- a/lisp/progmodes/prolog.el +++ b/lisp/progmodes/prolog.el @@ -1201,7 +1201,9 @@ Commands: (define-derived-mode mercury-mode prolog-mode "Prolog[Mercury]" "Major mode for editing Mercury programs. Actually this is just customized `prolog-mode'." - (setq-local prolog-system 'mercury)) + (setq-local prolog-system 'mercury) + ;; Run once more to set up based on `prolog-system' + (prolog-mode-variables)) ;;------------------------------------------------------------------- @@ -2082,7 +2084,7 @@ Argument BOUND is a buffer position limiting searching." (delq nil (cond - ((eq major-mode 'prolog-mode) + ((derived-mode-p 'prolog-mode) (list head-predicates head-predicates-1 |