[XeTeX] math fonts in beamer documents

[VAFA KHALIGHI]

Thanks, Will

I found what causes that problem. It is beamerbasefont.sty definitions and
these are the lines which causes the problem: I just tested this and for
example if we comment the numbers, then digits will be typeset in Cambria
Math.


%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\AtBeginDocument{%
\def\beamer at cmr{cmr}
\edef\beamer at fmdef{\mathfamilydefault}

% supress for standard cm
\ifx\beamer at fmdef\beamer at cmr\beamer at suppressreplacementstrue\fi

% supress for mathtime serif and math minion serif
\@ifpackageloaded{mathtime}{\ifbeamer at sansmath
\else\beamer at suppressreplacementstrue\fi}{}
\@ifpackageloaded{mathpmnt}{\ifbeamer at sansmath
\else\beamer at suppressreplacementstrue\fi}{}
\@ifpackageloaded{mathpple}{\ifbeamer at sansmath
\else\beamer at suppressreplacementstrue\fi}{}
\@ifpackageloaded{lucidabr}{\ifbeamer at sansmath
\else\beamer at suppressreplacementstrue\fi}{}
\@ifpackageloaded{mtpro}{\ifbeamer at sansmath
\else\beamer at suppressreplacementstrue\fi}{}
\@ifpackageloaded{hvmath}{\ifbeamer at sansmath
\else\beamer at suppressreplacementstrue\fi}{}

\ifbeamer at suppressreplacements\else
  \ifbeamer at sansmath
    \SetSymbolFont{operators}{normal}{OT1}{cmss}{m}{n}
    \ifx\mv at bold\@undefined
    \else
      \SetSymbolFont{operators}{bold}{OT1}{cmss}{bx}{n}
    \fi
  \fi
  \DeclareSymbolFont{numbers}{\encodingdefault}{\mathfamilydefault}{m}{n}

\DeclareSymbolFont{pureletters}{\encodingdefault}{\mathfamilydefault}{m}{it}
  \SetMathAlphabet{\mathrm}{normal}{\encodingdefault}{\rmdefault}{m}{n}
  \DeclareMathAlphabet{\mathbf}{\encodingdefault}{\mathfamilydefault}{bx}{n}
  \DeclareMathAlphabet{\mathsf}{\encodingdefault}{\sfdefault}{m}{n}
  \DeclareMathAlphabet{\mathit}{\encodingdefault}{\mathfamilydefault}{m}{it}
  \DeclareMathAlphabet{\mathtt}{\encodingdefault}{\ttdefault}{m}{n}
  \ifx\mv at bold\@undefined\else
  \SetSymbolFont{numbers}{bold}{\encodingdefault}{\mathfamilydefault}{bx}{n}

\SetSymbolFont{pureletters}{bold}{\encodingdefault}{\mathfamilydefault}{bx}{it}
  \SetMathAlphabet{\mathrm}{bold}{\encodingdefault}{\rmdefault}{bx}{n}

\SetMathAlphabet{\mathbf}{bold}{\encodingdefault}{\mathfamilydefault}{bx}{n}
  \SetMathAlphabet{\mathsf}{bold}{\encodingdefault}{\sfdefault}{bx}{n}

\SetMathAlphabet{\mathit}{bold}{\encodingdefault}{\mathfamilydefault}{bx}{it}
  \SetMathAlphabet{\mathtt}{bold}{\encodingdefault}{\ttdefault}{bx}{n}
  \fi

  \def\operator at font{\mathgroup\symnumbers}

  \DeclareMathSymbol{0}\mathalpha{numbers}{"30}
  \DeclareMathSymbol{1}\mathalpha{numbers}{"31}
  \DeclareMathSymbol{2}\mathalpha{numbers}{"32}
  \DeclareMathSymbol{3}\mathalpha{numbers}{"33}
  \DeclareMathSymbol{4}\mathalpha{numbers}{"34}
  \DeclareMathSymbol{5}\mathalpha{numbers}{"35}
  \DeclareMathSymbol{6}\mathalpha{numbers}{"36}
  \DeclareMathSymbol{7}\mathalpha{numbers}{"37}
 \DeclareMathSymbol{8}\mathalpha{numbers}{"38}
  \DeclareMathSymbol{9}\mathalpha{numbers}{"39}

  \DeclareMathSymbol{A}\mathalpha{pureletters}{"41}
  \DeclareMathSymbol{B}\mathalpha{pureletters}{"42}
  \DeclareMathSymbol{C}\mathalpha{pureletters}{"43}
  \DeclareMathSymbol{D}\mathalpha{pureletters}{"44}
  \DeclareMathSymbol{E}\mathalpha{pureletters}{"45}
  \DeclareMathSymbol{F}\mathalpha{pureletters}{"46}
  \DeclareMathSymbol{G}\mathalpha{pureletters}{"47}
  \DeclareMathSymbol{H}\mathalpha{pureletters}{"48}
  \DeclareMathSymbol{I}\mathalpha{pureletters}{"49}
  \DeclareMathSymbol{J}\mathalpha{pureletters}{"4A}
  \DeclareMathSymbol{K}\mathalpha{pureletters}{"4B}
  \DeclareMathSymbol{L}\mathalpha{pureletters}{"4C}
  \DeclareMathSymbol{M}\mathalpha{pureletters}{"4D}
  \DeclareMathSymbol{N}\mathalpha{pureletters}{"4E}
  \DeclareMathSymbol{O}\mathalpha{pureletters}{"4F}
  \DeclareMathSymbol{P}\mathalpha{pureletters}{"50}
  \DeclareMathSymbol{Q}\mathalpha{pureletters}{"51}
  \DeclareMathSymbol{R}\mathalpha{pureletters}{"52}
  \DeclareMathSymbol{S}\mathalpha{pureletters}{"53}
  \DeclareMathSymbol{T}\mathalpha{pureletters}{"54}
  \DeclareMathSymbol{U}\mathalpha{pureletters}{"55}
  \DeclareMathSymbol{V}\mathalpha{pureletters}{"56}
  \DeclareMathSymbol{W}\mathalpha{pureletters}{"57}
  \DeclareMathSymbol{X}\mathalpha{pureletters}{"58}
  \DeclareMathSymbol{Y}\mathalpha{pureletters}{"59}
  \DeclareMathSymbol{Z}\mathalpha{pureletters}{"5A}

  \DeclareMathSymbol{a}\mathalpha{pureletters}{"61}
  \DeclareMathSymbol{b}\mathalpha{pureletters}{"62}
  \DeclareMathSymbol{c}\mathalpha{pureletters}{"63}
  \DeclareMathSymbol{d}\mathalpha{pureletters}{"64}
  \DeclareMathSymbol{e}\mathalpha{pureletters}{"65}
  \DeclareMathSymbol{f}\mathalpha{pureletters}{"66}
  \DeclareMathSymbol{g}\mathalpha{pureletters}{"67}
  \DeclareMathSymbol{h}\mathalpha{pureletters}{"68}
  \DeclareMathSymbol{i}\mathalpha{pureletters}{"69}
  \DeclareMathSymbol{j}\mathalpha{pureletters}{"6A}
  \DeclareMathSymbol{k}\mathalpha{pureletters}{"6B}
  \DeclareMathSymbol{l}\mathalpha{pureletters}{"6C}
  \DeclareMathSymbol{m}\mathalpha{pureletters}{"6D}
  \DeclareMathSymbol{n}\mathalpha{pureletters}{"6E}
  \DeclareMathSymbol{o}\mathalpha{pureletters}{"6F}
  \DeclareMathSymbol{p}\mathalpha{pureletters}{"70}
  \DeclareMathSymbol{q}\mathalpha{pureletters}{"71}
  \DeclareMathSymbol{r}\mathalpha{pureletters}{"72}
  \DeclareMathSymbol{s}\mathalpha{pureletters}{"73}
  \DeclareMathSymbol{t}\mathalpha{pureletters}{"74}
  \DeclareMathSymbol{u}\mathalpha{pureletters}{"75}
  \DeclareMathSymbol{v}\mathalpha{pureletters}{"76}
  \DeclareMathSymbol{w}\mathalpha{pureletters}{"77}
  \DeclareMathSymbol{x}\mathalpha{pureletters}{"78}
  \DeclareMathSymbol{y}\mathalpha{pureletters}{"79}
  \DeclareMathSymbol{z}\mathalpha{pureletters}{"7A}
\fi
}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-- 
``Life is not empty,
There is kindness, there is apple and there is faith

One day will come,
and to a mendicant I will endow a jasmine''

-- Sohrab Sepehri
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