[XeTeX] Problems with thickness of \frac rule and width of accents (\hat) with XeLaTeX

[Joel C. Salomon]

On 09/18/2010 10:46 PM, Khaled Hosny wrote:
> On Sat, Sep 18, 2010 at 07:20:53PM -0700, S. Ekin Kocabas wrote:
>> As a side note, the prime symbol of XITS seems a little too thin compared to
>> the computer modern one. Is there a way to make it thicker? When typesetting
>> double column documents in 10pts, the prime becomes quite hard to see.
> 
> You are getting the regular prime (which is designed in script size) scripted,
> instead of the special script prime (which is big like in CMR), looks
> like a unicode-math (new?) bug.

More likely it’s a bug in XITS; the [ssty] table is supposed to have
large versions of the prime glyph suitable for scaling & shifting.  See
<http://github.com/wspr/unicode-math/issues/issue/13>.

—Joel