Hello Carsten,
Setting a comment starter without a corresponding comment ender is
problematic and the # creeps in mysteriously under auto-fill. For
example, in my current running emacs, this happens almost certainly in
all org files that has # in their header. The only (temporary) solution
seems to reboot emacs (which is painful and disruptive).
If you try eval (forward-comment 1) at the beginning of an org file that
has some "#+..." it will move to the end of file (the whole file is
regarded as one single comment). So when auto-fill a long text, it will
find the common prefix to be #.
In addition, I don't think org mode has clear comment syntax or ideas on
what to do with it.
I can't see any gain from (modify-syntax-entry ?# "<") so I am proposing
removing it entirely and get rid of this mysterious and annoying bug
once and for all.
The attached patch may (though I think it is quite safe) cause some bugs
but those will be fixable unlike the one mentioned above.
Best wishes,
Leo
diff --git a/lisp/org/org.el b/lisp/org/org.el
index aae49fa..bb36ed8 100644
--- a/lisp/org/org.el
+++ b/lisp/org/org.el
@@ -4208,7 +4208,6 @@ The following commands are available:
(org-set-tag-faces 'org-tag-faces org-tag-faces))
;; Calc embedded
(org-set-local 'calc-embedded-open-mode "# ")
- (modify-syntax-entry ?# "<")
(modify-syntax-entry ?@ "w")
(if org-startup-truncated (setq truncate-lines t))
(org-set-local 'font-lock-unfontify-region-function
@@ -4237,7 +4236,7 @@ The following commands are available:
'org-block-todo-from-checkboxes))
;; Comment characters
-; (org-set-local 'comment-start "#") ;; FIXME: this breaks wrapping
+ (org-set-local 'comment-start "#")
(org-set-local 'comment-padding " ")
;; Align options lines
--
CCL-USER> (if you fail to plan (plan to fail))
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