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From: ne201ph@prism.gatech.EDU (Halvorson,Peter J)
Newsgroups: comp.text.tex
Subject: Help on LaTeX hacking.
Message-ID: <20376@hydra.gatech.EDU>
Date: 25 Jan 91 20:03:08 GMT
Sender: ne201ph@prism.gatech.EDU
Organization: Georgia Institute of Technology
Lines: 17

I hope someone can help me with this problem.

I'm writing a technical paper and make frequent reference to leidenfrost
temperature.  I have abbreviated this with:

\newcommand{\tleid}{$ T_{Leid}$}

Now I can just put \tleid in normal text.  The first problem is that this 
will ignore a normal space after \tleid.  If I put a hard space in the 
definition, it wouldn't work if followed by a punctuation mark.  The second
problem is that I would like to be able to use the same command if I'm
already in the math mode ( although I could live with \tleidm or something
similar).

Is the answer obvious to anyone?

Thanks