On 11/9/2016 4:46 PM, Wolfgang Schuster wrote:
Hi,
the \definefontsize and \definefontalternative redefine the \tf (and \it
etc.) command and you can’t use it in math to get \mathtf.
\starttext
\begingroup
\meaning\tf
\endgroup
\begingroup
\definefontsize[e]
\meaning\tf
\endgroup
\begingroup
\definefontalternative[md]
\meaning\tf
\endgroup
\stoptext
possible fix in next beta
% \def\font_basics_check_text_bodyfont#style#alternative#size% size can
be empty (checking needed as \bf is already defined)
%
{\setugvalue{#style#size}{\font_helpers_set_current_font_style_size{#style}{#size}}%
\rma
%
\setugvalue{#alternative#size}{\font_helpers_set_current_font_alternative_size{#alternative}{#size}}%
\sla
%
\setugvalue{#style#alternative#size}{\font_helpers_set_current_font_style_alternative_size{#style}{#alternative}{#size}}%
\rmsla
% \ifcsname\s!normal#style\endcsname % text/math check
%
\expandafter\let\csname#style\expandafter\endcsname\csname\s!normal#style\endcsname
% \else
%
\setugvalue{#style}{\font_helpers_set_current_font_style{#style}}% \rm
% \fi
% \ifcsname\s!normal#alternative\endcsname % text/math check
%
\expandafter\let\csname#alternative\expandafter\endcsname\csname\s!normal#alternative\endcsname
% \else
%
\setugvalue{#alternative}{\font_helpers_set_current_font_alternative{#alternative}}%
\sl
% \fi
%
\setugvalue{#style\s!x}{\font_helpers_set_current_font_x_style_alternative{#style}}%
\rmx
%
\setugvalue{#style\s!xx}{\font_helpers_set_current_font_xx_style_alternative{#style}}%
\rmxx
%
\setugvalue{#alternative\s!x}{\font_helpers_set_current_font_x_alternative{#alternative}}%
\slx
%
\setugvalue{#alternative\s!xx}{\font_helpers_set_current_font_xx_alternative{#alternative}}%
\slxx
%
\setugvalue{#style#alternative}{\font_helpers_set_current_font_style_alternative{#style}{#alternative}}}%
\rmsl
% \def\font_basics_check_text_bodyfont#style#alternative#size% size can
be empty (checking needed as \bf is already defined)
% {\ifcsname#style#size\endcsname\else
%
\setugvalue{#style#size}{\font_helpers_set_current_font_style_size{#style}{#size}}%
\rma
% \fi
% \ifcsname#alternative#size\endcsname\else
%
\setugvalue{#alternative#size}{\font_helpers_set_current_font_alternative_size{#alternative}{#size}}%
\sla
% \fi
% \ifcsname#style#alternative#size\endcsname\else
%
\setugvalue{#style#alternative#size}{\font_helpers_set_current_font_style_alternative_size{#style}{#alternative}{#size}}%
\rmsla
% \fi
% \ifcsname#style\endcsname\else
%
\setugvalue{#style}{\font_helpers_set_current_font_style{#style}}% \rm
% \fi
% \ifcsname#alternative\endcsname\else
%
\setugvalue{#alternative}{\font_helpers_set_current_font_alternative{#alternative}}%
\sl
% \fi
% \ifcsname#style\s!x\endcsname\else
% \setugvalue{#style\s!x
}{\font_helpers_set_current_font_x_style_alternative{#style}}% \rmx
%
\setugvalue{#style\s!xx}{\font_helpers_set_current_font_xx_style_alternative{#style}}%
\rmxx
% \fi
% \ifcsname#alternative\s!x\endcsname\else
% \setugvalue{#alternative\s!x
}{\font_helpers_set_current_font_x_alternative{#alternative}}% \slx
%
\setugvalue{#alternative\s!xx}{\font_helpers_set_current_font_xx_alternative{#alternative}}%
\slxx
% \fi
% \ifcsname#style#alternative\endcsname\else
%
\setugvalue{#style#alternative}{\font_helpers_set_current_font_style_alternative{#style}{#alternative}}%
\rmsl
% \fi}
\def\font_basics_check_text_bodyfont_step#whatever#body% size can be
empty (checking needed as \bf is already defined)
{\ifcsname#whatever\endcsname\else
\setugvalue{#whatever}{#body}%
\fi}
\def\font_basics_check_text_bodyfont#style#alternative#size% size can be
empty (checking needed as \bf is already defined)
{\font_basics_check_text_bodyfont_step{#style#size}{\font_helpers_set_current_font_style_size{#style}{#size}}%
\rma
\font_basics_check_text_bodyfont_step{#alternative#size}{\font_helpers_set_current_font_alternative_size{#alternative}{#size}}%
\sla
\font_basics_check_text_bodyfont_step{#style#alternative#size}{\font_helpers_set_current_font_style_alternative_size{#style}{#alternative}{#size}}%
\rmsla
\font_basics_check_text_bodyfont_step{#style}{\font_helpers_set_current_font_style{#style}}%
\rm
\font_basics_check_text_bodyfont_step{#alternative}{\font_helpers_set_current_font_alternative{#alternative}}%
\sl
\font_basics_check_text_bodyfont_step{#style\s!x
}{\font_helpers_set_current_font_x_style_alternative{#style}}% \rmx
\font_basics_check_text_bodyfont_step{#style\s!xx}{\font_helpers_set_current_font_xx_style_alternative{#style}}%
\rmxx
\font_basics_check_text_bodyfont_step{#alternative\s!x
}{\font_helpers_set_current_font_x_alternative{#alternative}}% \slx
\font_basics_check_text_bodyfont_step{#alternative\s!xx}{\font_helpers_set_current_font_xx_alternative{#alternative}}%
\slxx
\font_basics_check_text_bodyfont_step{#style#alternative}{\font_helpers_set_current_font_style_alternative{#style}{#alternative}}}%
\rmsl
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