bug#1952: 23.0.60[W32-Mingw]; opening etc/HELLO is slower than before

[Juanma Barranquero]

On Mon, Jan 19, 2009 at 15:14, Jason Rumney <jasonr@gnu.org> wrote:

> "slower than before" means what exactly? Can you pinpoint the change that
> caused the slowdown? Or are you comparing with Emacs 22.3?
>
> If the latter, then at least part of the slowdown can be attributed to the
> fact that Emacs 23 is finding all the fonts it can to display the characters
> in etc/HELLO correctly, while Emacs 22.3 displays about half the languages
> as empty boxes, and another couple of languages as the font's "undefined"
> glyph.

I think Kevin Yu is right. Moving around in etc/HELLO, even with a lot
of installed fonts, was quite fast until this change:

2009-01-09  Jason Rumney  <jasonr@gnu.org>

        * w32font.c (add_font_entity_to_list): Don't report unknown
        Windows charset as any unrecognized registry.  (Bug#1548)
        Only report Unicode Plane 2 fonts as unicode-sip.

Now, moving in etc/HELLO is unbearably slow. I'm talking of typing
<down> and waiting about two seconds for the cursor to move.

    Juanma