When I open begin to write an email using mu4e, I get an error complaining that clrhash wants a hash-table and got nil.
Patch that fixes this: diff --git a/lisp/org-element.el b/lisp/org-element.el index f407578..0941468 100644 --- a/lisp/org-element.el +++ b/lisp/org-element.el @@ -5055,7 +5055,8 @@ updated before current modification are actually submitted." ;; Otherwise, reset keys. (if org-element--cache-sync-requests (org-element--cache-set-timer buffer) - (clrhash org-element--cache-sync-keys)))))) + (when org-element--cache-sync-keys + (clrhash org-element--cache-sync-keys))))))) (defun org-element--cache-process-request (request next threshold time-limit future-change) Partial backtrace: Debugger entered--Lisp error: (wrong-type-argument hash-table-p nil) clrhash(nil) (if org-element--cache-sync-requests (org-element--cache-set-timer buffer) (clrhash org-element--cache-sync-keys)) (let ((inhibit-quit t) request next) (if org-element--cache-sync-timer (progn (cancel-timer org-element--cache-sync-timer))) (catch (quote interrupt) (while org-element--cache-sync-requests (setq request (car org-element--cache-sync-requests) next (nth 1 org-element--cache-sync-requests)) (org-element--cache-process-request request (and next (aref next 0)) threshold (and (not threshold) (time-add (current-time) org-element-cache-sync-duration)) future-change) (if next (progn (let* ((v next)) (aset v 3 (+ ... ...))) (aset next 2 (aref request 2)))) (setq org-element--cache-sync-requests (cdr org-element--cache-sync-requests)))) (if org-element--cache-sync-requests (org-element--cache-set-timer buffer) (clrhash org-element--cache-sync-keys))) (save-current-buffer (set-buffer buffer) (let ((inhibit-quit t) request next) (if org-element--cache-sync-timer (progn (cancel-timer org-element--cache-sync-timer))) (catch (quote interrupt) (while org-element--cache-sync-requests (setq request (car org-element--cache-sync-requests) next (nth 1 org-element--cache-sync-requests)) (org-element--cache-process-request request (and next (aref next 0)) threshold (and (not threshold) (time-add (current-time) org-element-cache-sync-duration)) future-change) (if next (progn (let* (...) (aset v 3 ...)) (aset next 2 (aref request 2)))) (setq org-element--cache-sync-requests (cdr org-element--cache-sync-requests)))) (if org-element--cache-sync-requests (org-element--cache-set-timer buffer) (clrhash org-element--cache-sync-keys)))) (progn (save-current-buffer (set-buffer buffer) (let ((inhibit-quit t) request next) (if org-element--cache-sync-timer (progn (cancel-timer org-element--cache-sync-timer))) (catch (quote interrupt) (while org-element--cache-sync-requests (setq request (car org-element--cache-sync-requests) next (nth 1 org-element--cache-sync-requests)) (org-element--cache-process-request request (and next (aref next 0)) threshold (and (not threshold) (time-add ... org-element-cache-sync-duration)) future-change) (if next (progn (let* ... ...) (aset next 2 ...))) (setq org-element--cache-sync-requests (cdr org-element--cache-sync-requests)))) (if org-element--cache-sync-requests (org-element--cache-set-timer buffer) (clrhash org-element--cache-sync-keys))))) (if (buffer-live-p buffer) (progn (save-current-buffer (set-buffer buffer) (let ((inhibit-quit t) request next) (if org-element--cache-sync-timer (progn (cancel-timer org-element--cache-sync-timer))) (catch (quote interrupt) (while org-element--cache-sync-requests (setq request (car org-element--cache-sync-requests) next (nth 1 org-element--cache-sync-requests)) (org-element--cache-process-request request (and next ...) threshold (and ... ...) future-change) (if next (progn ... ...)) (setq org-element--cache-sync-requests (cdr org-element--cache-sync-requests)))) (if org-element--cache-sync-requests (org-element--cache-set-timer buffer) (clrhash org-element--cache-sync-keys)))))) org-element--cache-sync(#<buffer *draft*>) Emacs : GNU Emacs 24.5.1 (x86_64-pc-linux-gnu, GTK+ Version 3.14.5) of 2016-01-10 on flynn, modified by Debian Package: Org-mode version 8.3.3 (8.3.3-elpa @ /home/mah/.emacs.d/elpa/org-20160108/)