On Mon, Nov 26, 2018 at 8:40 AM adrien Licari <adrien.lic...@gmail.com>
wrote:
> Hi everyone,
>
> I can't get cases subformula to work properly. My MWE, inspired from the
> wiki and the My Way "Using \startalign and friends" by Aditya Mahajan, is :
>
> \starttext\placeformula\startformula
> \startcases
> \NC x = a \NR[+]
> \NC y = b \NR[+]
> \stopcases\stopformula\stoptext
>
> This only prints (2) on the right of the whole cases system. If I use
> \placesubformula, the behavior remains exactly the same. It also yields
> the same output with live ConTeXt. The ConTeXt version I am using is
> 2018.01.19 13:42
>
> Has there been a change in the behavior since the documents were written ?
> I asked on stackexchange, and since the document is 12 years old and the
> wiki consistent with it, they suggested me to ask the mailing list.
> Thanks in advance,
>
>
\starttext
\startbuffer
\placeformula \startformula \startcases
\NC 2 \NC $ y > 0 $ \NR
\NC 7 \NC $ x = 7 $ \NR[+]
\NC 4 \NC otherwise \NR
\stopcases \stopformula
\stopbuffer
\typebuffer \getbuffer
\startbuffer
\placeformula \startformula x \startcases
\NC 2 \NC $ y > 0 $ \NR[+]
\NC 7 \NC $ x = 7 $ \NR
\NC 4 \NC otherwise \NR
\stopcases \stopformula
\stopbuffer
\typebuffer \getbuffer
\startbuffer
\placeformula \startformula \startcases
\NC 2 \NC $ y > 0 $ \NR
\NC 7 \NC $ x = 7 $ \NR
\NC 4 \NC otherwise \NR
\stopcases \stopformula
\stopbuffer
\typebuffer \getbuffer
\startbuffer
\placeformula \startformula x \startcases
\NC 2 \NC $ y > 0 $ \NR
\NC 7 \NC $ x = 7 $ \NR
\NC 4 \NC otherwise \NR
\stopcases \stopformula
\stopbuffer
\typebuffer \getbuffer
%% your example
\placeformula
\startformula
\startcases
\NC x = a \NR[+]
\NC y = b \NR[+]
\stopcases
\stopformula
\stoptext
What I see is (more or less)
1
\placeformula \startformula \startcases
\NC 2 \NC $ y > 0 $ \NR
\NC 7 \NC $ x = 7 $ \NR[+]
\NC 4 \NC otherwise \NR
\stopcases \stopformula
{2 𝑦 > 0
⎧
⎨ 7 𝑥=7 (1)
{
⎩ 4 otherwise
\placeformula \startformula x \startcases
\NC 2 \NC $ y > 0 $ \NR[+]
\NC 7 \NC $ x = 7 $ \NR
\NC 4 \NC otherwise \NR
\stopcases \stopformula
{2 𝑦 > 0
⎧
𝑥⎨7 𝑥 = 7 (2)
{
⎩ 4 otherwise
\placeformula \startformula \startcases
\NC 2 \NC $ y > 0 $ \NR
\NC 7 \NC $ x = 7 $ \NR
\NC 4 \NC otherwise \NR
\stopcases \stopformula
{2 𝑦 > 0
⎧
⎨ 7 𝑥=7 (3)
{
⎩ 4 otherwise
\placeformula \startformula x \startcases
\NC 2 \NC $ y > 0 $ \NR
\NC 7 \NC $ x = 7 $ \NR
\NC 4 \NC otherwise \NR
\stopcases \stopformula
{2 𝑦 > 0
⎧
𝑥⎨7 𝑥 = 7 (4)
{
⎩ 4 otherwise
𝑥=𝑎
{ (6)
𝑦=𝑏
--
luigi
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