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org: work around emacs/gnutls interaction bug

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* doc/org/init.el.in: Set gnutls-algorithm-priority when needed.
* NEWS: Mention the issue.
This commit is contained in:
Alexandre Duret-Lutz 2019-07-16 10:32:45 +02:00
parent 09c93a3a3d
commit 738515d7fd
2 changed files with 11 additions and 0 deletions
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4
NEWS
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@ -12,6 +12,10 @@ New in spot 2.8.0.dev (not yet released)
works with weak alternating automata" or "product() does not works with weak alternating automata" or "product() does not
support alternating automata". support alternating automata".
- Work around Emacs bug #34341 when rebuilding documentation on a
system with Emacs <26.3, GNU TLS >= 3.6, and without ESS or with
an obsolete org-mode installed.
New in spot 2.8 (2019-07-10) New in spot 2.8 (2019-07-10)
Command-line tools: Command-line tools:

7
doc/org/init.el.in
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@ -11,6 +11,13 @@
(print (org-version nil t t)) (print (org-version nil t t))
(print (concat "Org " org-version)) (print (concat "Org " org-version))
; Some combination of GNU TLS and Emacs fail to retrieve archive
; contents over https.
; https://www.reddit.com/r/emacs/comments/cdf48c/failed_to_download_gnu_archive/
; https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34341
(if (and (version< emacs-version "26.3") (>= libgnutls-version 30600))
(setq gnutls-algorithm-priority "NORMAL:-VERS-TLS1.3"))
; The Org version that ships with emacs is usually too old. ; The Org version that ships with emacs is usually too old.
(when (version< org-version "9.1") (when (version< org-version "9.1")
(warn "Org-mode is too old; attempting to download a more recent version") (warn "Org-mode is too old; attempting to download a more recent version")