Index: auctex/tex-fold.el
diff -u auctex/tex-fold.el:1.48 auctex/tex-fold.el:1.49
--- auctex/tex-fold.el:1.48 Thu May 12 16:27:44 2005
+++ auctex/tex-fold.el Thu Jun 9 11:41:55 2005
@@ -163,6 +163,9 @@
(defvar TeX-fold-unfolded-face 'TeX-fold-unfolded-face
"Face for folded content when it is temporarily opened.")
+(defvar TeX-fold-ellipsis "..."
+ "String used as display string for overlays instead of a zero-length
string.")
+
(defvar TeX-fold-open-spots nil)
(make-variable-buffer-local 'TeX-fold-open-spots)
@@ -589,6 +592,8 @@
"[Error: No content found]")))
(display-string (if (listp computed) (car computed) computed))
(face (when (listp computed) (cadr computed))))
+ ;; Cater for zero-length display strings.
+ (when (string= display-string "") (setq display-string TeX-fold-ellipsis))
;; Add a linebreak to the display string and adjust the overlay end
;; in case of an overfull line.
(when (TeX-fold-overfull-p ov-start ov-end display-string)
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