+(defun notmuch-show-record-part-information (part beg end)
+ "Store PART as a text property from BEG to END"
+
+ ;; Record part information. Since we already inserted subparts,
+ ;; don't override existing :notmuch-part properties.
+ (notmuch-map-text-property beg end :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. 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 end 'front-sticky
+ (lambda (v) (if (listp v)
+ (pushnew :notmuch-part v)
+ v)))
+ (notmuch-map-text-property beg end 'rear-nonsticky
+ (lambda (v) (if (listp v)
+ (pushnew :notmuch-part v)
+ v))))
+