[elpa] externals/org 81c4bef: ox-html: Resolve W3C warning, improve a11y

[ELPA Syncer]

branch: externals/org
commit 81c4befe6251ba9296c9fad771dfa1a5706f5f1a
Author: TEC <tec@tecosaur.com>
Commit: TEC <tec@tecosaur.com>

    ox-html: Resolve W3C warning, improve a11y
    
    * lisp/ox-html.el (org-html-style-default, org-html-head): Remove
    unwarranted type="text/css" from <style> (W3C warning).
    (org-html-html5-fancy): Remove note about IE8- from docstring.
    (org-html-footnote-section, org-html-template, org-html-toc,
    org-html-footnote-reference): Add some ARIA roles to improve
    accessibility.
---
 lisp/ox-html.el | 24 +++++++++---------------
 1 file changed, 9 insertions(+), 15 deletions(-)

diff --git a/lisp/ox-html.el b/lisp/ox-html.el
index 8f8470b..bd6771a 100644
--- a/lisp/ox-html.el
+++ b/lisp/ox-html.el
@@ -260,7 +260,7 @@ property on the headline itself.")
   :type 'string)
 
 (defcustom org-html-style-default
-  "<style type=\"text/css\">
+  "<style>
   #content { max-width: 60em; margin: auto; }
   .title  { text-align: center;
              margin-bottom: .2em; }
@@ -1060,13 +1060,7 @@ publishing, with :html-doctype."
 
 (defcustom org-html-html5-fancy nil
   "Non-nil means using new HTML5 elements.
-This variable is ignored for anything other than HTML5 export.
-
-For compatibility with Internet Explorer, it's probably a good
-idea to download some form of the html5shiv (for instance
-https://code.google.com/p/html5shiv/) and add it to your
-HTML_HEAD_EXTRA, so that your pages don't break for users of IE
-versions 8 and below."
+This variable is ignored for anything other than HTML5 export."
   :group 'org-export-html
   :version "24.4"
   :package-version '(Org . "8.0")
@@ -1472,7 +1466,7 @@ done, timestamp, timestamp-kwd, tag, target.
 
 For example, a valid value would be:
 
-   <style type=\"text/css\">
+   <style>
       p { font-weight: normal; color: gray; }
       h1 { color: black; }
       .title { text-align: center; }
@@ -1818,12 +1812,12 @@ INFO is a plist used as a communication channel."
                    (anchor (org-html--anchor
                             (format "fn.%d" n)
                             n
-                            (format " class=\"footnum\" href=\"#fnr.%d\"" n)
+                            (format " class=\"footnum\" href=\"#fnr.%d\" 
role=\"doc-backlink\"" n)
                             info))
                    (contents (org-trim (org-export-data def info))))
                (format "<div class=\"footdef\">%s %s</div>\n"
                        (format (plist-get info :html-footnote-format) anchor)
-                       (format "<div class=\"footpara\">%s</div>"
+                       (format "<div class=\"footpara\" 
role=\"doc-footnote\">%s</div>"
                                (if (not inline?) contents
                                  (format "<p class=\"footpara\">%s</p>"
                                          contents))))))))
@@ -2120,7 +2114,7 @@ holding export options."
          (if subtitle
              (format
               (if html5-fancy
-                  "<p class=\"subtitle\">%s</p>\n"
+                  "<p class=\"subtitle\" role=\"doc-subtitle\">%s</p>\n"
                 (concat "\n" (org-html-close-tag "br" nil info) "\n"
                         "<span class=\"subtitle\">%s</span>\n"))
               (org-export-data subtitle info))
@@ -2321,14 +2315,14 @@ of contents as a string, or nil if it is empty."
                         (org-export-get-relative-level headline info)))
                 (org-export-collect-headlines info depth scope))))
     (when toc-entries
-      (let ((toc (concat "<div id=\"text-table-of-contents\">"
+      (let ((toc (concat "<div id=\"text-table-of-contents\" role=\"doc-toc\">"
                         (org-html--toc-text toc-entries)
                         "</div>\n")))
        (if scope toc
          (let ((outer-tag (if (org-html--html5-fancy-p info)
                               "nav"
                             "div")))
-           (concat (format "<%s id=\"table-of-contents\">\n" outer-tag)
+           (concat (format "<%s id=\"table-of-contents\" role=\"doc-toc\">\n" 
outer-tag)
                    (let ((top-level (plist-get info :html-toplevel-hlevel)))
                      (format "<h%d>%s</h%d>\n"
                              top-level
@@ -2601,7 +2595,7 @@ CONTENTS is nil.  INFO is a plist holding contextual 
information."
      (format
       (plist-get info :html-footnote-format)
       (org-html--anchor
-       id n (format " class=\"footref\" href=\"#fn.%d\"" n) info)))))
+       id n (format " class=\"footref\" href=\"#fn.%d\" role=\"doc-backlink\"" 
n) info)))))
 
 ;;;; Headline