Sent by Michael Adams on 13 July 2010 11:11
On Tuesday 13 July 2010 20:57, Philip Taylor (Webmaster, Ret'd) wrote:
> If I have a page such as the following :
>
> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
> "http://www.w3.org/TR/html4/strict.dtd"> <html>
> <head>
> <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
> <title>Armenian test</title>
> <style type="text/css">
> BODY {font-family : "Arial Unicode MS", sans-serif}
> </style>
> </head>
>
> <body>
> <h1>ÔµÖ Õ¥ÖÕ¯Õ«Ö Õ§Ö Õ¡Õ¶Õ¥ÖÖÕ¸ÕµÕ© Ö Õ¡Õ¶ÕºÕ¡Õ¿ÖÕ¡Õ½Õ¿. Ö ÕÕ¡ÖÕ¡Ö Õ« Õ¾Õ¥ÖÕ¡Õµ
Õ¡Õ¶Õ¤Õ¶Õ¤Õ¸Ö. Ö
> ÕÕ¸Õ£Õ« Ô±Õ½Õ¿Õ¸ÖÕ®Õ¸Õµ Õ·ÖÕ»Õ§Ö Õ« Õ¾Õ¥ÖÕ¡Õµ Õ»Õ¸ÖÖÖ</h1>
> </body>
> </html>
>
> I have presumably chosen my primary font not only because I feel its
> aesthetics are appropriate but also because it supports the necessary
> subset of Unicode to correctly display the characters that make up
> the page. But if for some reason the visitor's browser does not have
> access to (in this case) Arial Unicode MS, and falls back to the
> generic "sans-serif", there is (as far as I can see) no way of
> guaranteeing that the page will still display correctly.
>
> Is there, therefore, in CSS, some way of specifying as a part of the
> font fallback sequence that any font selected as a result of fallback
> must support a specific subset of Unicode such that the page can be
> guaranteed to display correctly provided that such a font does in
> fact exist on the visitor's machine ? And is there any way, presumably
> using a combination of HTML and CSS, to display a suitable error message
> using solely ASCII characters if such a font cannot be found ?
Would it help to create a page with all the Unicode chars in the range you are
using and ask who can see how many based on font selections on a per
paragraph basis. For *my* Linux "Nimbus Roman No9 L" may be a well populated
serif font and "Nimbus Sans L" as sans serif (dunno i haven't gone into it
that much). You could also get replies from Mac, Windows 7, Vista and XP
users and try for the best combinations. I don't know the maximum fonts you
can have in a CSS fonts list - anyone?
Alternatively, if you are dealing with particularly uncommon glyphs it could
pay to use images of the ones you want instead.
HTH
--
Michael
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