From mboxrd@z Thu Jan  1 00:00:00 1970
From: Daniel Clemente <n142857@gmail.com>
Subject: (1- nil) because of nil previous-single-property-change
Date: Mon, 17 Nov 2008 02:23:13 +0100
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To: emacs-orgmode@gnu.org


  In org 6.12a from 15-11-2008 I got this error when exporting a file to HTML (using htmlize):

Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p nil)
  1-(nil)
  (max (point-min) (1- (previous-single-property-change ... ...)))
  (get-text-property (max (point-min) (1- ...)) (quote target))
  (or (get-text-property (point) (quote target)) (get-text-property (max ... ...) (quote target)))
  (progn (or (get-text-property ... ...) (get-text-property ... ...)))
  (if (and found (or ... ...)) (progn (or ... ...)))
  (when (and found (or ... ...)) (or (get-text-property ... ...) (get-text-property ... ...)))
  (save-excursion (setq found (condition-case nil ... ...)) (when (and found ...) (or ... ...)))
  (cond ((cdr ...)) ((string-match org-link-types-re link) nil) ((or ... ...) nil) (t (save-excursion ... ...)))
  (let* ((md ...) (desc ...) (link ...) (slink ...) found props pos (target ...)) (when target ..................
  (if (get-text-property (point) (quote org-protected)) nil (let* (... ... ... ... found props pos ...) (when target ... ... ... ... ... ... ... ...)))
  (unless (get-text-property (point) (quote org-protected)) (let* (... ... ... ... found props pos ...) (when target ... ... ... ... ... ... ... ...)))
  (org-if-unprotected (let* (... ... ... ... found props pos ...) (when target ... ... ... ... ... ... ... ...)))
  (while (re-search-forward org-bracket-link-regexp nil t) (org-if-unprotected (let* ... ...)))
  org-export-target-internal-links((("sec-5" . "sec-5") ("sec-4.1" . "sec-4.1") (...................................
  org-export-preprocess-string(#("#+TITLE: V.........................
  org-export-as-html(nil)


  The problem is in org-export-target-internal-links (org-exp.el), in lines:

			(max (point-min)
			     (1- (previous-single-property-change
				  (point) 'target)))
			'target))))))))


  And in fact, if in the org file I eval this:
(previous-single-property-change  (point) 'target)
  ...I get nil. This is valid according to the documentation (it means the property is constant).


-- Daniel