ConTeXt ver: 2008.07.10 08:40 MKIV fmt: 2008.7.10 int: english/english See test.tex in attachement. The following combinations give the following results after compiling with texmfstart texexec --lua test.tex ------------------------------------------------------------------------------- (1) \definefont[myChapterFont][myHeadingsFont sa 1.728] % with \setuphead[chapter][style=myChapterFont] % or \setuphead[chapter][style=\myChapterFont] % or \setuphead[chapter][style={\myChapterFont}] generates the following compile error... ! Font \**myChapterFont**:=myHeadingsFont at 20.736pt not loadable: metric data not found or bad. <to be read again> \relax \dododefinefont ...ontspec {#2}\rawfontidentifier \let \localrelativefontsiz... \dosetfontattribute ...me #1#2\@EA \endcsname \fi \empty \doplaceheadnumbertext ...bute {\??ko #1}\c!style \getvalue {\??ko #1\c!comm... \dodododoconstructhead ...{\finalsectionnumber }}} \writesection {#1}{#3}{#4}... l.54 \chapter{chapter test} ? ! Emergency stop. <to be read again> \relax \dododefinefont ...ontspec {#2}\rawfontidentifier \let \localrelativefontsiz... \dosetfontattribute ...me #1#2\@EA \endcsname \fi \empty \doplaceheadnumbertext ...bute {\??ko #1}\c!style \getvalue {\??ko #1\c!comm... \dodododoconstructhead ...{\finalsectionnumber }}} \writesection {#1}{#3}{#4}... l.54 \chapter{chapter test} ! ==> Fatal error occurred, no output PDF file produced! ------------------------------------------------------------------------------- (2) \definefont[myChapterFont][Sans sa 1.728] % with \setuphead[chapter][style=myChapterFont] % or \setuphead[chapter][style=\myChapterFont] % or \setuphead[chapter][style={\myChapterFont}] displays the chapter heading with a scaled LMSans10-Regular font ------------------------------------------------------------------------------- (3) this displays the chapter heading font correctly \setuphead[chapter][style={\tfc\myHeadingsFont}] ------------------------------------------------------------------------------- (4) \setuphead[chapter][style={\tfc\Sans}] generates the following compile error... ! Undefined control sequence. \@@kochapterstyle ->\tfc \Sans \doifdefinedelse #1->\edef \p!defined {#1 }\ifcsname \detokenize \@EA {\p!def... \doconvertfont #1->\doifdefinedelse {\@letter@ #1} {\doifelsenothing {#1}\go... \dosetfontattribute ...me #1#2\@EA \endcsname \fi \empty \doplaceheadnumbertext ...bute {\??ko #1}\c!style \getvalue {\??ko #1\c!comm... \dodododoconstructhead ...{\finalsectionnumber }}} \writesection {#1}{#3}{#4}... l.54 \chapter{chapter test} ? ! Emergency stop. \@@kochapterstyle ->\tfc \Sans \doifdefinedelse #1->\edef \p!defined {#1 }\ifcsname \detokenize \@EA {\p!def... \doconvertfont #1->\doifdefinedelse {\@letter@ #1} {\doifelsenothing {#1}\go... \dosetfontattribute ...me #1#2\@EA \endcsname \fi \empty \doplaceheadnumbertext ...bute {\??ko #1}\c!style \getvalue {\??ko #1\c!comm... \dodododoconstructhead ...{\finalsectionnumber }}} \writesection {#1}{#3}{#4}... l.54 \chapter{chapter test} ! ==> Fatal error occurred, no output PDF file produced! ------------------------------------------------------------------------------- How come ? Alan