Dear Dalyoung, Thank you having tested the file I sent. As I suspected, your testing confirms that the change or the bug has been introduced in a recent version of ConTeXt mkiv, some time between October and late November. The version I am running is ConTeXt ver: 2011.11.29 23:11 MKIV fmt: 2011.12.2 int: english/english I think at some time in November Hans did some changes in math alignment after someone reported a bug, and Aditya said he wouldn't have time to (or could not) fix it. Best regards: OK On 7 déc. 2011, at 02:39, Jeong Dalyoung wrote:
Dear Otared,
I run your code and got the output which is as same as in your file align-mkii.pdf I don't know why you got align-mkiv.pdf.
In my log file,
ConTeXt ver: 2011.10.08 11:42 MKIV fmt: 2011.10.12 int: english/english ... mkiv lua stats > luatex banner - this is luatex, version beta-0.70.1-2011051908 (rev 4277)
Something in your system is different from mine.
I am sorry that I couldn't give you a solution.
Best regards,
Dalyoung
Best regards: OK PS: Here is the source file: %%% align-mkiv.tex % defining an alignment structure \definemathmatrix[alignedcases] [align={right,left,left}, distance=3pt, left={\left\{\;}, right={\right.}, style=\displaystyle]
\starttext
\startformula \startalignedcases \NC -\partial_t \Delta \psi + \Delta^2 \psi - \Delta \psi \NC = 0 \NC \quad \mbox{in }\, (0,\infty)\times \Omega \NR \NC \psi (0,x) \NC= \psi_0(x) \NC \quad \mbox{in }\, \Omega \NR \NC \psi (t,\sigma ) \NC= 0 \NC \quad \mbox{on }\, (0,\infty)\times \partial\Omega \NR \NC {\partial \psi \over \partial {\bf n}}(t,\sigma ) \NC = 0 \NC \quad \mbox{on }\, (0,\infty)\times \partial\Omega. \stopalignedcases \stopformula
\stoptext %%% end align-mkiv.tex
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%%%%%%%%%%%%%%%%%% Otared Kavian Département de Mathématiques Université de Versailles Saint-Quentin Bâtiment Fermat 45 avenue des Etats Unis 78035 Versailles cedex Téléphone: +33 1 39 25 46 42 Secrétariat: +33 1 39 25 46 44 Secrétariat: +33 1 39 25 46 46 e-mail: Otared.Kavian@math.uvsq.fr