org-html.el (org-html-expand): Return nil if STRING is nil.

* org-html.el (org-html-expand): Prevent a nil value for
STRING to return an error, just return nil.
This commit is contained in:
Bastien Guerry 2011-10-29 15:00:52 +02:00
parent 25bd31ae36
commit 97d107d981
1 changed files with 13 additions and 11 deletions

View File

@ -2310,18 +2310,20 @@ Possible conversions are set in `org-export-html-protect-char-alist'."
(defun org-html-expand (string)
"Prepare STRING for HTML export. Apply all active conversions.
If there are links in the string, don't modify these."
(let* ((re (concat org-bracket-link-regexp "\\|"
(org-re "[ \t]+\\(:[[:alnum:]_@#%:]+:\\)[ \t]*$")))
m s l res)
(while (setq m (string-match re string))
(setq s (substring string 0 m)
l (match-string 0 string)
string (substring string (match-end 0)))
(push (org-html-do-expand s) res)
If there are links in the string, don't modify these. If STRING
is nil, return nil."
(when string
(let* ((re (concat org-bracket-link-regexp "\\|"
(org-re "[ \t]+\\(:[[:alnum:]_@#%:]+:\\)[ \t]*$")))
m s l res)
(while (setq m (string-match re string))
(setq s (substring string 0 m)
l (match-string 0 string)
string (substring string (match-end 0)))
(push (org-html-do-expand s) res)
(push l res))
(push (org-html-do-expand string) res)
(apply 'concat (nreverse res))))
(push (org-html-do-expand string) res)
(apply 'concat (nreverse res)))))
(defun org-html-do-expand (s)
"Apply all active conversions to translate special ASCII to HTML."