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On Wed, 2007-25-04 at 15:01 -0400, Todd Wilson wrote:
> Robert Jerrard wrote:
> > On Wed, 2007-25-04 at 19:52 +0200, Henri Lesourd wrote:
> >> Yuliang Wang wrote:
> >>> 1. A specific question: In the math mode, I can't get "u_{tt}" or
> >>> anything similar to that, because the two t's will automatically
> >>> become text instead of math font. That feature is useful when I want
> >>> math operators like max, lim or Re, but sometimes we do use
> >>> multiple-letter math variables. Is that feature configurable in the
> >>> current version of TeXmacs?
> >>>
> >> Probably, although I don't know how to do this
> >> specific thing. In any case, you can always achieve
> >> exactly what you want by means of directly editing
> >> the markup, as explained in, e.g. :
> >> http://www.ags.uni-sb.de/~henri/texmacs/aTeXmacsTutorial.pdf
> >
> > The approach I have used for this is to place the cursor between the two
> > t's and select the menu item Insert->Space->Rigid then enter 0mm in the
> > dialog for the Horizontal space option then hit OK. This tells TeXmacs
> > that the t's are single letters rather than a two letter combination.
>
> Even easier than inserting a rigid space is to position yourself between
> the two t's and hit "*". This is documented in the manual somewhere,
> but the idea is that if you want to "multiply" two variables then you
> use "*", which inserts a "juxtaposition operator". (This isn't very
> convenient for multiple-letter variable names, though. I'd probably
> define a macro for those.)

The thing I don't like about using the multiplication symbol in this
fashion is the space it leave between the letters which is larger than
0mm. If you can live with the space it certainly is easier. I find the
space more of a problem in the dx symbol of an integral. There I like
the script version of dx but do not like the space that a multiplication
symbol creates.

Regard, Bob
--
Dr. Robert J. Jerrard, Professor of Mathematics,
Concordia University College of Alberta,
7128 Ada Blvd., Edmonton, Alberta, T5B 4E4, Canada.
Phone: (780) 479-9291, Fax: (780) 474-1933.

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• Re: some specific and basic questions, Henri Lesourd, 04/25/2007
  • Re: [TeXmacs] Re: some specific and basic questions, Robert Jerrard, 04/25/2007
    • Re: [TeXmacs] Re: some specific and basic questions, Todd Wilson, 04/25/2007
      • Re: [TeXmacs] Re: some specific and basic questions, Robert Jerrard, 04/25/2007

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