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 ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------