[XeTeX] combined accents

[Vadim Radionov]

Andrew, David,

Thank you for the hints about anchors classes -- with fontforge I
easily added one to my font binding amacron and acutecomb and i can
expand it if necessary.

Yours,

Vadim.

On Wed, Dec 1, 2010 at 4:13 AM, David J. Perry
<hospes.primus at verizon.net> wrote:
> Hi Vadim,
>
> This all depends on the font.  Most font makers have not planned to support
> such combinations;  Junicode is one that I know of with good support for
> almost any sequence you might need, and also Charis SIL.  They both work on
> my system in your test file.
>
> The font maker must put in anchors and define the positions using OpenType's
> mark to base and mark to mark features.  Whether an a followed by two
> combining marks, or the precomposed a-macron followed by a combining acute,
> gives better results will again be font-dependent (if either one works).
> There's no magic way for Xe(La)TeX or any other software to position such
> things automatically if they aren't built into the font.
>
> If you must use a font that does not support this combination, you can enter
> the precomposed a-macron and then the combining acute, and kern the latter
> backwards (negative kern value) and put it in a raisebox.  That is a big
> nuisance, of course.
>
> David
>
> ----- Original Message ----- From: "Vadim Radionov"
> <vadim.radionov at gmail.com>
> To: "Unicode-based TeX for Mac OS X and other platforms" <xetex at tug.org>
> Sent: Tuesday, November 30, 2010 7:45 PM
> Subject: [XeTeX] combined accents
>
>
> Dear all,
>
> Excuse me for raising similar question again. I'm trying to typeset
> acute over amacron (u+0101 u+0301; \' u+0101; a u+0304 u+0301)
> and the result is satisfying only with DejaVu font.
>
> What is the right way to type it? What should I change in other fonts
> (I need the last one, actually) for correct placement?
>
> Thank you in advance,
>
> Vadim
>
>
>
> --------------------------------------------------
> Subscriptions, Archive, and List information, etc.:
>  http://tug.org/mailman/listinfo/xetex
>