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bug#21990: htmlfontify fails to generate highly highlighted regions

From: Hong Xu
Subject: bug#21990: htmlfontify fails to generate highly highlighted regions
Date: Mon, 18 Jan 2016 00:22:49 -0800
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Icedove/38.5.0

On 01/17/2016 02:21 PM, Phillip Lord wrote:
> Hong Xu <address@hidden> writes:
>> This issue is also possibly caused by bug #18128, which
>> diff-auto-refine-mode does not put the highlight into the font-lock.
> I don't think it's related to font-lock, as htmlfontify checks both
> 'face and 'font-lock-face. I think htmlfontify was not dealing correctly
> with faces when they overlap. I've pushed a fix to
> fix/htmlfontify-21990.
> http://lists.gnu.org/archive/html/emacs-diffs/2016-01/msg00277.html
> Can you test and confirm? If so, I'll finish the patch and merge.

Hi Phillip,

I've tested it---yes now the highlighted regions display differently,
but the highlighting actually is just the same as the background...

I've attached the generated html file, so you can view it.

diff --git a/lisp/htmlfontify.el b/lisp/htmlfontify.el
index 178f3a0..ca456c7 100644
--- a/lisp/htmlfontify.el
+++ b/lisp/htmlfontify.el
@@ -999,7 +999,7 @@ merged by the user - `hfy-flatten-style' should do this."
-                    (hfy-face-attr-for-class v hfy-display-class)) ))))
+                    (hfy-face-attr-for-class v hfy-display-class))))))
         (setq this
               (if val (case key
                        (:family         (hfy-family    val))
@@ -1018,7 +1018,7 @@ merged by the user - `hfy-flatten-style' should do this."
                        (:italic         (hfy-slant 'italic))))))
       (setq that (hfy-face-to-style-i next))
       ;;(lwarn t :warning "%S => %S" fn (nconc this that parent))
-      (nconc this that parent))) )
+      (nconc this parent that))) )
 (defun hfy-size-to-int (spec)
   "Convert SPEC, a CSS font-size specifier, to an Emacs :height attribute 
@@ -1062,7 +1062,7 @@ haven't encountered them yet.  Returns a 
    ((and (symbolp fn)
          (facep (symbol-value fn)))
     (hfy-face-attr-for-class (symbol-value fn) hfy-display-class))
-   (t nil)))
+   (t fn)))
 (defun hfy-face-to-style (fn)

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