[texhax] vertical setting of binary symbols

[Uwe Lueck]

Zbigniew Nitecki <zbigniew.nitecki at tufts.edu> schrieb am 21.05.2009 17:43:57:
> I am having trouble creating a good version of the composition symbol 
> (if one exists, I'd like to know).
> 
> In response to my earlier posting about this problem, it was 
> suggested I use \vcenter,
> but the code 
> ************
> \newcommand{\compose}{\mathbin{\vcenter{$\mathsmaller\circ}$}}
> ************
> leads to crazy behavior: in some instances, the function following 
> the \compose symbol is either
> tabbed very far to the right, or even appears on a new line.

I had corrected (here!) this mistake of mine into 

    \newcommand{\compose}{\mathbin{\vcenter{\hbox{$\mathsmaller\circ}$}}}

so \vcenter does not take an entire line + tested. 

-- Uwe.