[PATCH] emacs: Fix applying stickiness to the :notmuch-part property
Austin Clements
amdragon at MIT.EDU
Mon Jun 3 08:17:59 PDT 2013
Previously, we simply called pushnew to add :notmuch-part to the
front-sticky and rear-nonsticky text property lists. This works if
these are nil or lists, but they can also have the value t, meaning
that all properties are front-sticky/rear-nonsticky. In this case,
pushnew will signal an error because t is not a list. We never set
these properties to t ourselves, but since we apply these property
changes over arbitrary renderer output, we have to deal with this
possibility.
---
emacs/notmuch-show.el | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/emacs/notmuch-show.el b/emacs/notmuch-show.el
index 5771950..83bb9ad 100644
--- a/emacs/notmuch-show.el
+++ b/emacs/notmuch-show.el
@@ -846,11 +846,18 @@ If HIDE is non-nil then initially hide this part."
(notmuch-map-text-property beg (point) :notmuch-part
(lambda (v) (or v part)))
;; Make :notmuch-part front sticky and rear non-sticky so it stays
- ;; applied to the beginning of each line when we indent the message.
+ ;; applied to the beginning of each line when we indent the
+ ;; message. Since we're operating on arbitrary renderer output,
+ ;; watch out for sticky specs of t, which means all properties are
+ ;; front-sticky/rear-nonsticky.
(notmuch-map-text-property beg (point) 'front-sticky
- (lambda (v) (pushnew :notmuch-part v)))
+ (lambda (v) (if (listp v)
+ (pushnew :notmuch-part v)
+ v)))
(notmuch-map-text-property beg (point) 'rear-nonsticky
- (lambda (v) (pushnew :notmuch-part v)))))
+ (lambda (v) (if (listp v)
+ (pushnew :notmuch-part v)
+ v)))))
(defun notmuch-show-insert-body (msg body depth)
"Insert the body BODY at depth DEPTH in the current thread."
--
1.7.10.4
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