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[O] Re: [PATCH] Problem with html export of description list items

From: Nicolas Goaziou
Subject: [O] Re: [PATCH] Problem with html export of description list items
Date: Thu, 07 Apr 2011 14:51:06 +0200


Ethan Ligon <address@hidden> writes:

> 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.

LaTeX exporter doesn't treats these as identical. What happens is that
in your example, the first item is correct and the list is thus set as
a description list. As such, LaTeX exporter tries hard to fill
description terms for every item in the list. If you exchange the first
and second items in your example, the list will be exported as
a standard itemize list in LaTeX.

For HTML (and DocBook) exporter, this is a little different, and term
recognition is hard-coded there. I will modify that.

> 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]*\\)"
> "\\(?:address@hidden(?: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) "???"))

Your patch allows items like:

- term ::description

which are not valid for a description list.


Nicolas Goaziou

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