Map files suppressed in latest teTeX

Hello,

I finally just updated gwTeX to the latest version. Doing that, I 
noticed two map files (at least) have been suppressed, originally 
inside /usr/local/teTeX/share/texmf.tetex/fonts/map/dvips/misc:

        mathpi.map
        wolfram.map

The first corresponds to Adobe Mathematical Pi Two and Six fonts (I 
don't have them), and the second to Wolfram Mathematica 4.1 fonts (I 
have them, and use them occasionally). It's not really a problem to get 
wolfram.map, it's available freely together with the other support 
files (TFM, VF, STY and FD files) from MathSource:

        <http://library.wolfram.com/infocenter/MathSource/3200/>

but realizing it's no longer there in texmf.tetex was a surprise. Is 
there a place where these changes in teTeX are documented, so that we 
know what to expect when updating gwTeX?

On a side note, when installing the TeX i-Package a warning is 
displayed telling XeTeX will need to be reinstalled afterwards. But 
then, when the TeX install is done and you open the XeTeX i-Package to 
reinstall it, the Pkg Properties tab say XeTeX is already installed, 
probably because the associated receipt (for XeTeX) has not been 
modified (during the TeX install). Would it be technically feasible to 
modify this receipt, so that an inexperienced user would not get 
confused?

On another side note, I still have difficulties figuring out what the 
ConTeXt updater i-Package is for. I've looked through the Read-Me, but 
feel none the wiser. Does it need to be installed following a TeX 
install with TL2004 (which includes ConTeXt already), or is it 
redundant and for compatibility purposes only?

Bruno Voisin

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