[Culprit found prettify-symbols-mode] (was: indentation problem II)

[Uwe Brauer]

Hi Uwe,
>>>>> Uwe Brauer <oub@mat.ucm.es> writes:
> That seems to me also a strange result.

It seems to me an ordinary result in array environment, "&" signs are
vertically aligned. What other result do you expect?

Sorry, I just realized that I was fouled by the use of 
prettify-symbols-mode. 

Sorry for the noise

Uwe