On Sat, May 20, 2017 at 7:32 PM, Mikael P. Sundqvist <mic...@gmail.com> wrote:
> On Sat, May 20, 2017 at 3:33 PM, Mikael P. Sundqvist <mic...@gmail.com> wrote:
>> On Thu, May 18, 2017 at 9:50 AM, Mikael P. Sundqvist <mic...@gmail.com>
>> wrote:
>>> Den 18 maj 2017 10:13 fm skrev "Otared Kavian" <ota...@gmail.com>:
>>>
>>> Hi Hans,
>>>
>>> Thanks for your explanations.
>>> When using constructions such as $f’’_2(x)$, I will adapt my input in order
>>> to get what seems correct.
>>>
>>> Best regards: OK
>>>
>>>> On 17 May 2017, at 17:17, Hans Hagen <pra...@wxs.nl> wrote:
>>>>
>>>> On 5/17/2017 8:35 AM, Otared Kavian wrote:
>>>>> Hi Hans,
>>>>>
>>>>> Thanks for having fixed the behavior of the prime in the latest beta
>>>>> release (ConTeXt version 2017.05.15 21:48).
>>>>> However, as you may see in the two attached PDF files, the result is
>>>>> still incorrect when one types for example $f_2’’(x)$, which should give
>>>>> the
>>>>> same result as $f’’_2(x)$.
>>>>> The correct behaviour is that obtained with mkii. Indeed one can
>>>>> circumvent the behaviour of the latest beta release of mkiv by using
>>>>> tricks
>>>>> such as the ones in the example code below, but this should be avoided in
>>>>> my
>>>>> opinion.
>>>>
>>>> well, it depends on how one sees this '' mess
>>>>
>>>> the problem with primes is that in macro packages they are messy entities
>>>> that should collapse or not (active char mess) and the more clever a macro
>>>> packages becomes the harder it becomes to makes it robust and/or to fight
>>>> against such heuristics
>>>>
>>>> add to that the fact that the symbol itself is a funny positioned
>>>> something already raised in a font or not i.e. sometimes in need of
>>>> superscript and sometimes explicitly not
>>>>
>>>> for unicode we need to turn two '' into a double and ''' into a and triple
>>>> such
>>>>
>>>> that said, in context these thingies are at some point intercepted and
>>>> their current state is looked at: superscript? multipel in a row? one ebing
>>>> the nucleus of another ... etc .. the current (working again) behavior is
>>>> what we support and i don't look forward to more heuristics
>>>>
>>>>
>>>>> The following PDF have been obtained with mkii and mkiv with the
>>>>> following example code.
>>>>> Best regards: OK
>>>>>
>>>>> %%% begin derivatives-prime.tex
>>>>> \starttext
>>>>>
>>>>> \startformula
>>>>> f''_{2}(x) = f_{2}''(x) = f^{''}_{2}(x) = f_{2}^{''}(x) % =
>>>>> f^{{}^{''}}_{2}(x)
>>>>> \stopformula
>>>>> As one may see the result of \type{f_{2}''(x) = } $f_{2}''(x)$ is not
>>>>> correct in \type{mkiv}.
>>>>>
>>>>> The following positions of the superscripts \type{(3)} are correct both
>>>>> in \type{mkii} and in \type{mkiv}.
>>>>> \startformula
>>>>> f^{(3)}_{2}(x) = f_{2}^{(3)}(x)
>>>>> \stopformula
>>>>>
>>>>> \stoptext
>>>>> %%% end derivatives-prime.tex
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> ___________________________________________________________________________________
>>>>> If your question is of interest to others as well, please add an entry to
>>>>> the Wiki!
>>>>>
>>>>> maillist : ntg-context@ntg.nl /
>>>>> http://www.ntg.nl/mailman/listinfo/ntg-context
>>>>> webpage : http://www.pragma-ade.nl / http://context.aanhet.net
>>>>> archive : https://bitbucket.org/phg/context-mirror/commits/
>>>>> wiki : http://contextgarden.net
>>>>>
>>>>> ___________________________________________________________________________________
>>>>>
>>>>
>>>>
>>>> --
>>>>
>>>> -----------------------------------------------------------------
>>>> Hans Hagen | PRAGMA ADE
>>>> Ridderstraat 27 | 8061 GH Hasselt | The Netherlands
>>>> tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl
>>>> -----------------------------------------------------------------
>>>>
>>>> ___________________________________________________________________________________
>>>> If your question is of interest to others as well, please add an entry to
>>>> the Wiki!
>>>>
>>>> maillist : ntg-context@ntg.nl /
>>>> http://www.ntg.nl/mailman/listinfo/ntg-context
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>>>>
>>>> ___________________________________________________________________________________
>>>
>>> ___________________________________________________________________________________
>>> If your question is of interest to others as well, please add an entry to
>>> the Wiki!
>>>
>>> maillist : ntg-context@ntg.nl /
>>> http://www.ntg.nl/mailman/listinfo/ntg-context
>>> webpage : http://www.pragma-ade.nl / http://context.aanhet.net
>>> archive : https://bitbucket.org/phg/context-mirror/commits/
>>> wiki : http://contextgarden.net
>>> ___________________________________________________________________________________
>>>
>>>
>>> OK, very good, it seems that we have a working solution and one specific way
>>> to write it. I have absolutely nothing against that, but I would like us
>>> (me?) to document it, since I think future users might have use of it. Is
>>> the math page in the wiki the right place?
>>>
>>> (It will take some time before I will be able to act. I'm currently
>>> travelling with close to no working connection.)
>>>
>>> /Mikael
>>
>> I'm sorry, but there seem to still be problems with primes.
>>
>> Look at the height of the primes in this document (ctx-listexample30.pdf).
>>
>> %%%%
>> %\definefallbackfamily [lucidaopentype][mm][Xits
>> Math][range={2660,2661,2662,2663,2664,2665,2666,2667}]
>> \definefontfamily[lucidaopentype][rm][Lucida Bright OT]
>> \definefontfamily[lucidaopentype][ss][Lucida Sans OT]
>> \definefontfamily[lucidaopentype][tt][Lucida Sans Typewriter OT]
>> \definefontfamily[lucidaopentype][mm][Lucida Bright Math OT]
>>
>> \setupbodyfont[lucidaopentype,10pt]
>>
>> \starttext
>> Look at $f'$ and $f''$
>> \stoptext
>> %%%%
>>
>> If I uncomment the \definefallbackfamily, the result is the one given
>> in ctx-listexample30-var.pdf, look at the prime. It is still not
>> correct (and the double prime is wrong as in the first example).
>>
>> /Mikael
>
> Hi,
>
> I am now more confused. I tried in different fonts, and the result is
> attached. The difference in height of the prime and the double prime
> is confusing me. In some fonts the prime is above the double prime, in
> some the other way around (the worst is lucida, which perhaps is why I
> saw it in the first place). Does someone understand why this is so? Is
> it the fonts that are constructed like this?
>
> /Mikael
>
> PS The test file I used was the following, with the natural changes in
> fonts each time.
>
> \definefontfamily[myface][rm][TeX Gyre Pagella]
> \definefontfamily[myface][mm][TeX Gyre Pagella Math]
> \setupbodyfont[myface,10pt]
> \starttext
> \startTEXpage[offset=2pt]
> $f'f''$
> \stopTEXpage
> \stoptext
And just for reference, the document below gives the attached pdf,
compiled with lualatex. I think the location of the primes there look
better. Sorry for spamming about this issue, but I think it is
important for all people writing math with ConTeXt.
/Mikael
\RequirePackage{luatex85}
\documentclass[border=2pt]{standalone}
\usepackage{unicode-math}
\setmainfont{LucidaBrightOT}
\setmathfont{LucidaBrightMathOT}
\begin{document}
$f'f''$
\end{document}
lltest.pdf
Description: Adobe PDF document
___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://context.aanhet.net archive : https://bitbucket.org/phg/context-mirror/commits/ wiki : http://contextgarden.net ___________________________________________________________________________________
