texput and .

Hello, 

I fond this subject on our list 
http://www.math.utexas.edu/pipermail/maxima/2010/020267.html
http://www.math.utexas.edu/pipermail/maxima/2010/020270.html

====================================
(%i1) load("mactex-utilities")$

(%i2) a . b;
(%o2) a . b

(%i3) tex(%);
$$a\cdot b$$
(%o3) false

(%i4) texput("."," \\times ", infix)$
(%i5) tex(a . b);
$$a \times b$$
=====================================

but this example code above on my new maxima 5.21.1, compiled yesterday, not 
work. It not work only for me or also not work for you? Would you like check 
it?

Thank you in advance.

Zbigniew