diff --git a/lisp/ox-html.el b/lisp/ox-html.el
index 78c8e111f..476ffbec2 100644
--- a/lisp/ox-html.el
+++ b/lisp/ox-html.el
@@ -1473,7 +1473,9 @@ CSS classes, then this prefix can be very useful."
(let ((dt (downcase (plist-get info :html-doctype))))
(member dt '("html5" "xhtml5" ""))))
-(defun org-html-html5-fancy-p (info)
+(defun org-html--html5-fancy-p (info)
+ "Non-nil when exporting to HTML5 with fancy elements.
+INFO is the current state of the export process, as a plist."
(and (plist-get info :html-html5-fancy)
(org-html-html5-p info)))
@@ -1507,7 +1509,7 @@ attributes with a nil value will be omitted from the result."
INFO is a plist used as a communication channel. When optional
arguments CAPTION and LABEL are given, use them for caption and
\"id\" attribute."
- (let ((html5-fancy (org-html-html5-fancy-p info)))
+ (let ((html5-fancy (org-html--html5-fancy-p info)))
(format (if html5-fancy "\n%s%s\n"
"\n%s%s\n")
;; ID.
@@ -1933,7 +1935,7 @@ holding export options."
(when (plist-get info :with-title)
(let ((title (plist-get info :title))
(subtitle (plist-get info :subtitle))
- (html5-fancy (org-html-html5-fancy-p info)))
+ (html5-fancy (org-html--html5-fancy-p info)))
(when title
(format
(if html5-fancy
@@ -2137,7 +2139,7 @@ of contents as a string, or nil if it is empty."
(org-html--toc-text toc-entries)
"\n")))
(if scope toc
- (let ((outer-tag (if (org-html-html5-fancy-p info)
+ (let ((outer-tag (if (org-html--html5-fancy-p info)
"nav"
"div")))
(concat (format "<%s id=\"table-of-contents\">\n" outer-tag)
@@ -3184,7 +3186,7 @@ CONTENTS holds the contents of the block. INFO is a plist
holding contextual information."
(let* ((block-type (org-element-property :type special-block))
(contents (or contents ""))
- (html5-fancy (and (org-html-html5-fancy-p info)
+ (html5-fancy (and (org-html--html5-fancy-p info)
(member block-type org-html-html5-elements)))
(attributes (org-export-read-attribute :attr_html special-block)))
(unless html5-fancy