[XeTeX] Getting vinculum in fractions with Asana Math and unicode-math when compiled with xelatex

[R (Chandra) Chandrasekhar]

On Friday 24 December 2010 10:34 PM, Peter Dyballa wrote:
>
> Am 24.12.2010 um 12:36 schrieb R (Chandra) Chandrasekhar:
>
>> I am unable to get the horizontal bar or vinculum for the fraction on
>> the left when I compile the file with xelatex, although I can get it
>> when compiled with lualatex.
>
>
> I can't reproduce it with the same software (versions) on Mac OS X
> 10.5.8, PPC.
>
> *File List*
> article.cls 2007/10/19 v1.4h Standard LaTeX document class
> size12.clo 2007/10/19 v1.4h Standard LaTeX file (size option)
> fontspec.sty 2010/11/17 v2.1e Advanced font selection for XeLaTeX/LuaLaTeX
> expl3.sty 2010/11/13 v2083 L3 Experimental code bundle wrapper
> l3names.sty 2010/10/03 v2064 L3 Experimental Naming Scheme for TeX
> Primitives
> etex.sty 1998/03/26 v2.0 eTeX basic definition package (PEB)
> l3basics.sty 2010/10/03 v2063 L3 Experimental basic definitions
> l3expan.sty 2010/09/20 v2037 L3 Experimental Argument Expansion module
> l3tl.sty 2010/11/17 v2084 L3 Experimental Token Lists
> l3int.sty 2010/10/17 v2077 L3 Experimental Integer module
> l3quark.sty 2010/09/20 v2036 L3 Experimental Quark Commands
> l3seq.sty 2010/03/29 v1879 L3 Experimental sequences and stacks
> l3toks.sty 2010/09/20 v2037 L3 Experimental Token Registers
> l3prg.sty 2010/10/03 v2063 L3 Experimental control structures
> l3clist.sty 2010/10/09 v2071 L3 Experimental comma separated lists
> l3token.sty 2010/10/03 v2063 L3 Experimental token investigation and
> manipulation
> l3prop.sty 2010/11/23 v2087 L3 Experimental Property Lists
> l3msg.sty 2010/10/02 v2052 L3 Experimental LaTeX Messages module
> l3io.sty 2010/10/03 v2063 L3 Experimental i/o module
> l3skip.sty 2010/11/23 v2088 L3 Experimental skip registers
> l3box.sty 2010/09/26 v2048 L3 Experimental Box module
> l3keyval.sty 2010/04/11 v1890 L3 Experimental keyval processing
> l3keys.sty 2010/11/11 v2082 L3 Experimental key-value support
> l3precom.sty 2010/02/09 v1793 L3 Experimental precompilation module
> l3xref.sty 2010/02/09 v1786 L3 Experimental cross referencing
> l3file.sty 2010/03/21 v1853 L3 Experimental file loading
> l3fp.sty 2010/11/25 v2092 L3 Experimental floating-point operations
> l3luatex.sty 2010/07/18 v1985 L3 Experimental LuaTeX functions
> calc.sty 2007/08/22 v4.3 Infix arithmetic (KKT,FJ)
> xparse.sty 2010/10/13 v2073 Generic document command parser
> xkeyval.sty 2008/08/13 v2.6a package option processing (HA)
> xkeyval.tex 2008/08/13 v2.6a key=value parser (HA)
> fontspec-patches.sty 2010/11/17 v2.1e Advanced font selection for
> XeLaTeX/LuaLaTeX
> fixltx2e.sty 2006/09/13 v1.1m fixes to LaTeX
> fontenc.sty
> eu1enc.def 2010/05/27 v0.1h Experimental Unicode font encodings
> eu1lmr.fd 2009/10/30 v1.6 Font defs for Latin Modern
> xunicode.sty 2010/11/06 v0.96 provides access to latin accents and many
> other characters in Unicode lower plane
> fontspec.cfg
> unicode-math.sty 2010/09/27 v0.5b Unicode maths in XeLaTeX and LuaLaTeX
> ifxetex.sty 2010/09/12 v0.6 Provides ifxetex conditional
> ifluatex.sty 2010/03/01 v1.3 Provides the ifluatex switch (HO)
> l3keys2e.sty 2010/10/13 v2076 Parsing LaTeX3 keyvals as LaTeX2e package
> options
> catchfile.sty 2010/04/28 v1.5 Catches the contents of a file (HO)
> infwarerr.sty 2010/04/08 v1.3 Providing info/warning/message (HO)
> ltxcmds.sty 2010/04/26 v1.7 LaTeX kernel commands for general use (HO)
> etexcmds.sty 2010/01/28 v1.3 Prefix for e-TeX command names (HO)
> scrlfile.sty 2009/03/25 v3.03 KOMA-Script package (loading files)
> unicode-math-table.tex
> ***********
>
>
> --
> Greetings
>
> Pete

Thank you Pete.

I saved your above list as PDfilelist.txt and the list of files on my 
system as filelist.txt

diff PDfilelist.txt filelist.txt

gave

---
10c10
<     l3tl.sty    2010/11/17 v2084 L3 Experimental Token Lists
---
 >     l3tl.sty    2010/12/18 v2103 L3 Experimental Token Lists
28c28
<     l3fp.sty    2010/11/25 v2092 L3 Experimental floating-point operations
---
 >     l3fp.sty    2010/12/18 v2104 L3 Experimental floating-point 
operations
---

So it appears that the later experimental versions on my system have 
introduced this behaviour.

Thank you.

Chandra