[PATCH] Problem with html export of description list items

[Ethan Ligon <ligon@are.berkeley.edu>]

Ethan Ligon <ligon <at> are.berkeley.edu> writes:
> 
> I've just stumbled across what I regard as a bug in the html export of
> description list items.
> 
> The problem has to do with whether the specification of a description
> list includes a trailing space or not; i.e., whether "- Item ::" is
> treated the same way as "- Item :: ".  LaTeX export treats these as
> identical.  Html export gets confused about what the description list
> item is, and winds up generating a "???" for the description.
> 

Having done the work to describe the problem, it wasn't hard to find a
solution.  In this case that's a one character change to a regexp in
org-html.el. 

Here's the patch:

diff --git a/lisp/org-html.el b/lisp/org-html.el
index d19d88b..005a0f7 100644
--- a/lisp/org-html.el
+++ b/lisp/org-html.el
@@ -2501,7 +2501,7 @@ the alist of previous items."
        (concat "[ \t]*\\(\\S-+[ \t]*\\)"
               "\\(?:\\[@\\(?:start:\\)?\\([0-9]+\\|[A-Za-z]\\)\\]\\)?"
               "\\(?:\\(\\[[ X-]\\]\\)[ \t]+\\)?"
-              "\\(?:\\(.*\\)[ \t]+::[ \t]+\\)?"
+              "\\(?:\\(.*\\)[ \t]+::[ \t]*\\)?"
               "\\(.*\\)") line)
       (let* ((checkbox (match-string 3 line))
             (desc-tag (or (match-string 4 line) "???"))