### [NTG-context] \frac and vertical spacing issue in mathfractions

In the current beta ( LuaMetaTeX, Version 2.06.05), \m{\frac{28}{8\times29}} puts the numerator and denominator too close to the dividing line. Similarly for the variants of \frac and \over. \m{{28}\over{8\times29}} Alan

### Re: [NTG-context] open type feature "frac"

On 9/28/2018 10:56 PM, Ulrike Fischer wrote: Due to a question on tex.sx (https://tex.stackexchange.com/questions/452969/luatex-fontfeaturefractions-on-turns-first-digits-into-superscripts) I looked again (see https://www.mail-archive.com/ntg-context@ntg.nl/msg84822.html) at the frac feature

### [NTG-context] open type feature "frac"

Due to a question on tex.sx (https://tex.stackexchange.com/questions/452969/luatex-fontfeaturefractions-on-turns-first-digits-into-superscripts) I looked again (see https://www.mail-archive.com/ntg-context@ntg.nl/msg84822.html) at the frac feature. The output is still not really satisfactory

### Re: [NTG-context] frac font feature doesn't work as expected

Am Wed, 5 Apr 2017 13:00:29 +0200 schrieb luigi scarso: > if you see > fonts > otf chain > feature 'frac', type > 'gsub_contextchain', chain lookup 's_s_7': is not yet supported (1) > then ... it need to be supported. Yes, that's what I see ;-(. -- Ul

### Re: [NTG-context] frac font feature doesn't work as expected

On Wed, Apr 5, 2017 at 10:15 AM, Ulrike Fischer <ne...@nililand.de> wrote: > \starttext > > \font\test={file:linlibertine_r.otf:+frac} > \test 1/2 3/4 5/6 7/8 9/10 11/12 31415/27182 1000/100 > \stoptext > > gives as output > > ½ 3¾ 5⅚ 7⅜ 9/10 1⅟12 31415/27182

### [NTG-context] frac font feature doesn't work as expected

\starttext \font\test={file:linlibertine_r.otf:+frac} \test 1/2 3/4 5/6 7/8 9/10 11/12 31415/27182 1000/100 \stoptext gives as output ½ 3¾ 5⅚ 7⅜ 9/10 1⅟12 31415/27182 1000/100 (I couldn't build an example without the primitive command. After \definefontfeature[frac][frac=yes

### Re: [NTG-context] frac opentype feature broken by \setbreakpoints[compound]

On 2/13/2017 4:47 PM, MF wrote: Hello list, I found an interference between the "frac" opentype feature and \setbreakpoints[compound], which make the former fail when you have a numerator more than 2 digit wide. I found it with Adobe Garamond Premier Pro: with \setbreakpoints[compo

### [NTG-context] frac opentype feature broken by \setbreakpoints[compound]

Hello list, I found an interference between the "frac" opentype feature and \setbreakpoints[compound], which make the former fail when you have a numerator more than 2 digit wide. I found it with Adobe Garamond Premier Pro: with \setbreakpoints[compound], when the fraction had a 3-digi

### Re: [NTG-context] Bug in the latest beta: \frac

On Sat, 28 Mar 2015 20:29:15 +0100 Otared Kavian ota...@gmail.com wrote: Hi Hans, I just tried the new beta (ConTeXt ver: 2015.03.28 16:30 MKIV beta fmt: 2015.3.28 int: english/english) It gives an error with the following minimal example: \starttext \startformula \frac{2}{4

### [NTG-context] Bug in the latest beta: \frac

Hi Hans, I just tried the new beta (ConTeXt ver: 2015.03.28 16:30 MKIV beta fmt: 2015.3.28 int: english/english) It gives an error with the following minimal example: \starttext \startformula \frac{2}{4} \stopformula \stoptext The error message is: \math_frac_command -\cclf_mathfraction

### Re: [NTG-context] \setupformulas and \frac give small symbols

smaller letters in \frac if \setupformulas[align=flushleft] is applied. The test file below generates the attached pdf. /Mikael \starttext \startformula z=\frac{x}{y} \stopformula \setupformulas[align=flushleft] \startformula z=\frac{x}{y} \stopformula \stoptext

### Re: [NTG-context] \setupformulas and \frac give small symbols

...@gmail.com wrote: Hi, with a standalone installation updated today, I get smaller letters in \frac if \setupformulas[align=flushleft] is applied. The test file below generates the attached pdf. /Mikael \starttext \startformula z=\frac{x}{y} \stopformula \setupformulas[align=flushleft

### Re: [NTG-context] \setupformulas and \frac give small symbols

On 10/16/2014 1:29 PM, Mikael P. Sundqvist wrote: Sorry, another problem appear (maybe was apparent before as well): fixed in next beta ... there might be a few more cases left Hans -

### [NTG-context] \setupformulas and \frac give small symbols

Hi, with a standalone installation updated today, I get smaller letters in \frac if \setupformulas[align=flushleft] is applied. The test file below generates the attached pdf. /Mikael \starttext \startformula z=\frac{x}{y} \stopformula \setupformulas[align=flushleft] \startformula z=\frac{x

### Re: [NTG-context] \setupformulas and \frac give small symbols

ver: 2014.05.21 22:04 MKIV beta fmt: 2014.6.27 int: english/english Best regards: OK On 15 Oct 2014, at 19:03, Mikael P. Sundqvist mic...@gmail.com wrote: Hi, with a standalone installation updated today, I get smaller letters in \frac if \setupformulas[align=flushleft] is applied

### Re: [NTG-context] frac and tfrac with sqrt

Am 07.10.2014 um 09:20 schrieb Hans Hagen pra...@wxs.nl: On 10/7/2014 7:33 AM, Mikael P. Sundqvist wrote: On Mon, Oct 6, 2014 at 11:32 PM, Wolfgang Schuster schuster.wolfg...@gmail.com wrote: \setupmathradical[alternative=default] Very good! Hans, will the default be default in next

### Re: [NTG-context] frac and tfrac with sqrt

On 10/7/2014 7:33 AM, Mikael P. Sundqvist wrote: On Mon, Oct 6, 2014 at 11:32 PM, Wolfgang Schuster schuster.wolfg...@gmail.com wrote: \setupmathradical[alternative=default] Very good! Hans, will the default be default in next beta? :) no, but there will be different settings ... the

### Re: [NTG-context] frac and tfrac with sqrt

On Fri, Oct 3, 2014 at 1:30 PM, Mikael P. Sundqvist mic...@gmail.com wrote: Hi! Is this (see frac.pdf) the expected output of \frac and \tfrac in combination with \sqrt? To me the \sqrt{3} looks too big in \tfrac. I attach also the output from the corresponding latex document, having

### Re: [NTG-context] frac and tfrac with sqrt

On Mon, 6 Oct 2014, Mikael P. Sundqvist wrote: On Fri, Oct 3, 2014 at 1:30 PM, Mikael P. Sundqvist mic...@gmail.com wrote: Hi! Is this (see frac.pdf) the expected output of \frac and \tfrac in combination with \sqrt? To me the \sqrt{3} looks too big in \tfrac. I attach also the output from

### Re: [NTG-context] frac and tfrac with sqrt

On Mon, Oct 6, 2014 at 11:32 PM, Wolfgang Schuster schuster.wolfg...@gmail.com wrote: \setupmathradical[alternative=default] Very good! Hans, will the default be default in next beta? :) Best regards, Mikael ___ If

### [NTG-context] frac and tfrac with sqrt

Hi! Is this (see frac.pdf) the expected output of \frac and \tfrac in combination with \sqrt? To me the \sqrt{3} looks too big in \tfrac. I attach also the output from the corresponding latex document, having the result I expect. Best regards, Mikael PS Compilation done with latest standalone

### Re: [NTG-context] numerator is too high in \frac{3}{4}, in palatino

Hans Hagen pra...@wxs.nl writes: these are font properties and using a consistent opentype math versus a bunch of loosely related type one fonts makes a difference But shouldn't TeXGyrePagellaMath qualify? I've added: \starttext $\displaystyle 1+{2g\over3}+{2\over3}$ \blank

### Re: [NTG-context] numerator is too high in \frac{3}{4}, in palatino

On 5/2/2014 4:46 AM, Sanjoy Mahajan wrote: I've noticed the following issue with how high the numerator is placed, but only when using Palatino: \setupbodyfont[palatino] \starttext \startformula {3\over4}\quad {1\over2} \stopformula \stoptext The 3 and the 1 sit quite high above the division

### Re: [NTG-context] numerator is too high in \frac{3}{4}, in palatino

I just compared MkII and MkIV in this respect, and the MkII fraction looks more symmetric (more correct) than the MkIV version. Here is the MkII code: \usetypescript[palatino][ec] \setupbodyfont[palatino] \starttext \startformula {3\over4}\quad {1\over2} \stopformula \stoptext I've attached

### [NTG-context] numerator is too high in \frac{3}{4}, in palatino

I've noticed the following issue with how high the numerator is placed, but only when using Palatino: \setupbodyfont[palatino] \starttext \startformula {3\over4}\quad {1\over2} \stopformula \stoptext The 3 and the 1 sit quite high above the division line, esp. in comparison with the gap below

### [NTG-context] \frac broken in current beta

Hi, \starttext \math{\frac12} \stoptext gives ! LuaTeX error [string \directlua ]:1: attempt to call field 'math_frac' (a n il value) stack traceback: [string \directlua ]:1: in main chunk. Marco signature.asc Description: Digital signature

### Re: [NTG-context] \frac broken in current beta

On Tue, 16 Apr 2013 09:52:08 +0200 Marco Patzer home...@lavabit.com wrote: Hi, \starttext \math{\frac12} \stoptext gives ! LuaTeX error [string \directlua ]:1: attempt to call field 'math_frac' (a n il value) stack traceback: [string \directlua ]:1: in main chunk.

### Re: [NTG-context] \frac broken in current beta

On 4/16/2013 9:52 AM, Marco Patzer wrote: Hi, \starttext \math{\frac12} \stoptext gives ! LuaTeX error [string \directlua ]:1: attempt to call field 'math_frac' (a n il value) stack traceback: [string \directlua ]:1: in main chunk. ah, missing file, i'll upload a new zip (first

### Re: [NTG-context] Fractions and binomial inlined in text ($n \choose \frac{n}2$): Parentheses not scaled

Am 03.12.2011 um 19:56 schrieb Paul Menzel: Dear ConTeXt folks, using the following minimal example \starttext Using \type{\choose} in text $n \choose \frac{n}2$. \startformula n \choose \frac{n}2 \stopformula \CONTEXT\ \contextmark

### Re: [NTG-context] [solved] Fractions and binomial inlined in text ($n \choose \frac{n}2$): Parentheses not scaled

Am Sonntag, den 04.12.2011, 09:52 +0100 schrieb Wolfgang Schuster: Am 03.12.2011 um 19:56 schrieb Paul Menzel: using the following minimal example \starttext Using \type{\choose} in text $n \choose \frac{n}2$. \startformula n \choose \frac{n}2

### [NTG-context] Fractions and binomial inlined in text ($n \choose \frac{n}2$): Parentheses not scaled

Dear ConTeXt folks, using the following minimal example \starttext Using \type{\choose} in text $n \choose \frac{n}2$. \startformula n \choose \frac{n}2 \stopformula \CONTEXT\ \contextmark\ \contextversion\ with \texenginename

### Re: [NTG-context] Fractions and binomial inlined in text ($n \choose \frac{n}2$): Parentheses not scaled

Dear Paul, using the following minimal example \starttext Using \type{\choose} in text $n \choose \frac{n}2$. Please try $\displaystyle{n \choose \frac{n}2}$. It is working for me. I hope it is what you are looking for. best regards, Dalyoung

### [NTG-context] Context and metapost: using \frac

Hi I am using context to run a metapost graph. I am however unable to insert a label with \frac, since this is not pure Tex but Latex. This seems to be a known problem for metapost: -Seems for metapost only, one should add %latex (http://ryanmlayer.wordpress.com/tag/metapost/). -I saw also

### Re: [NTG-context] Context and metapost: using \frac

$) scaled 1.00, (0, 10)); label.top(textext($\displaystyle \frac{\sigma_t}{a}$) scaled 1.00, (1, 1)); works ok (only tested mkiv); also \frac is available in context Hans - Hans

### Re: [NTG-context] Context and metapost: using \frac

mention, context has a \frac: http://wiki.contextgarden.net/Math_with_newmat I tried then to simply add \usemodule[newmat] and compile with context, but did not work... Code below, error message below below... Thanks a lot Matthieu Code: \usemodule[newmat] \starttext \setupMPpage[offset

### Re: [NTG-context] Context and metapost: using \frac

ubuntu). no, use the 'context' command as texexec is for mkii I saw also that, as you mention, context has a \frac: http://wiki.contextgarden.net/Math_with_newmat indeed, \frac is already there for a long time (ams compatible command) btw, in mkiv there is no m-newmath I tried

### Re: [NTG-context] Context and metapost: using \frac

what is wrong? I saw also that, as you mention, context has a \frac: http://wiki.contextgarden.net/Math_with_newmat indeed, \frac is already there for a long time (ams compatible command) btw, in mkiv there is no m-newmath I tried then to simply add \usemodule[newmat] and compile

### Re: [NTG-context] Context and metapost: using \frac

? Would you be so nice and send complete file, so I can check what is wrong? I saw also that, as you mention, context has a \frac: http://wiki.contextgarden.net/Math_with_newmat indeed, \frac is already there for a long time (ams compatible command) btw, in mkiv there is no m-newmath I

### Re: [NTG-context] Context and metapost: using \frac

with the code you sent... you didn't? Would you be so nice and send complete file, so I can check what is wrong? I saw also that, as you mention, context has a \frac: http://wiki.contextgarden.net/Math_with_newmat indeed, \frac is already there for a long time (ams compatible command) btw, in mkiv

### Re: [NTG-context] Context and metapost: using \frac

On 26-4-2011 5:17, Matthieu Stigler wrote: MTXrun | current version: 2009.11.26 16:2 that's rather old for a luatex/context combination on the wiki you can find how to install minimals (takes a few minutes only, no compilation needed) Hans

### [NTG-context] \frac with Cambria

\usetypescript[cambria] \setupbodyfont[cambria,8pt] \starttext \inlinemath{\displaystyle\frac{(1-0.1) - 0.89803921568627}{1-0.1}}% {\switchtobodyfont[modern,8pt] \inlinemath{\displaystyle\frac{(1-0.1) - 0.89803921568627}{1-0.1}}} \stoptext IMO the numerator with cambria is too much distant from

### [NTG-context] Frac (was \everymath problem)

On Wed, 19 Aug 2009, Wolfgang Schuster wrote: And with \frac it can be configured at context low level (why no key for \setupmathematics?) \chardef\mathfracmode=1 % 0=auto, 1=displaystyle, 2=textstyle, 3=scriptstyle, 4=scriptscriptstyle, 5=mathstyle $\frac{a}{b}$ I am thinking

### Re: [NTG-context] The \frac macro.

Is there another macro in Context called \frac and if so how is it called? I use (e)grep in this situations, it's more texnician. luigi ___ If your question is of interest to others as well, please add an entry

### [NTG-context] The \frac macro.

Knuth defines a macro for simple fractions such as 3/4 etc. and calls it \frac: \def\frac#1/#2{\leavevmode \kern.1em \raise .5ex \hbox{\the\scriptfont0 #1}% \kern-.1em $/$% \kern -.15em \lower .25ex \hbox{\the\scriptfont0 #2}}% The call is e.g., \frac 3/4. This works fine in Context. However

### Re: [NTG-context] The \frac macro.

On 4/22/07, John R. Culleton [EMAIL PROTECTED] wrote: Knuth defines a macro for simple fractions such as 3/4 etc. and calls it \frac: \def\frac#1/#2{\leavevmode \kern.1em \raise .5ex \hbox{\the\scriptfont0 #1}% \kern-.1em $/$% \kern -.15em \lower .25ex \hbox{\the\scriptfont0 #2}}% The call

### Re: [NTG-context] The \frac macro.

On Sun, 22 Apr 2007, John R. Culleton wrote: Knuth defines a macro for simple fractions such as 3/4 etc. and calls it \frac: \def\frac#1/#2{\leavevmode \kern.1em \raise .5ex \hbox{\the\scriptfont0 #1}% \kern-.1em $/$% \kern -.15em \lower .25ex \hbox{\the\scriptfont0 #2}}% The call is e.g

### Re: [NTG-context] how to do something like ^1/_2 with frac?

On Fri, 26 Jan 2007, Taco Hoekwater wrote: Hubertus wrote: Hi all again, I try to do something like 1/2 with an upper 1 and a lower 2. The code below still doesn't quite work. \def\nfrac#1#2{\leavevmode\kern.1em% \raise.5ex\hbox{\scriptsize #1}% \kern-.1em/\kern-.15em%

### [NTG-context] how to do something like ^1/_2 with frac?

Hi all again, I try to do something like 1/2 with an upper 1 and a lower 2. The code below still doesn't quite work. \def\nfrac#1#2{\leavevmode\kern.1em% \raise.5ex\hbox{\scriptsize #1}% \kern-.1em/\kern-.15em% \lower.25ex\hbox{\scriptsize #2}} Help would be very much appreciated!

### Re: [NTG-context] how to do something like ^1/_2 with frac?

Hubertus wrote: Hi all again, I try to do something like 1/2 with an upper 1 and a lower 2. The code below still doesn't quite work. \def\nfrac#1#2{\leavevmode\kern.1em% \raise.5ex\hbox{\scriptsize #1}% \kern-.1em/\kern-.15em% \lower.25ex\hbox{\scriptsize #2}} Such a macro is

### Re: [NTG-context] Bug report, \frac as redefined in m-newmat.tex

Hi Brooks, Then, a couple of lines after that, there's the second definition for \frac, which is the one that needed patching. This one, unlike the first definition, is wrapped in \mathematics so that it can work outside math mode. So I'm wondering why only \frac has this second definition

### Re: [NTG-context] Bug report, \frac as redefined in m-newmat.tex

Hi Brooks The following simple file works fine if I comment out the \usemodule[newmat] line, but crashes if I put it in. \usemodule[newmat] \starttext \placeformula \startformula \eqalign{\frac{1}{2} \cr} \stopformula \stoptext ah ... the alignment lookahead problem, i think we

### Re: [NTG-context] Bug report, \frac as redefined in m-newmat.tex

At 01:40 PM 8/2/2004, you wrote: ah ... the alignment lookahead problem, i think we can safely patch \mathematics to catch lookahead as well as make frac more robust for unwanted expansion \usemodule[newmat] \unexpanded\def\frac#1#2{\mathematics{\genfrac{}{}{}\donothing{#1}{#2}}} \def

### Re: [NTG-context] Bug report, \frac as redefined in m-newmat.tex

Brooks Moses wrote: At 01:40 PM 8/2/2004, you wrote: ah ... the alignment lookahead problem, i think we can safely patch \mathematics to catch lookahead as well as make frac more robust for unwanted expansion \usemodule[newmat] \unexpanded\def\frac#1#2{\mathematics{\genfrac{}{}{}\donothing{#1

### Re: [NTG-context] Bug report, \frac as redefined in m-newmat.tex

to support using math constructs such as \frac do they need patching? they don't use \mathematics afaik They don't need patching in the sense of fixing a bug, no -- it's more a matter of consistency in behavior. What I see is that there's a list of definitions for \frac, \dfrac, \tfrac

### [NTG-context] Bug report, \frac as redefined in m-newmat.tex

The following simple file works fine if I comment out the \usemodule[newmat] line, but crashes if I put it in. \usemodule[newmat] \starttext \placeformula \startformula \eqalign{\frac{1}{2} \cr} \stopformula \stoptext - Brooks ___ ntg