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On Wed, 2007-04-25 at 13:50 -0600, Robert Jerrard wrote:
> On Wed, 2007-25-04 at 15:01 -0400, Todd Wilson wrote:
> > Robert Jerrard wrote:
> > 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.

It probably doesn't make sense semantically either, to put a '*' in
there. Perhaps there should be an easy way to enter a multi-letter
variable? It could be a macro that expands to each letter separated by
zero width space, and then anything that wants to read the TeXmacs
document for semantic content can be taught to see the argument of that
macro as a multi-letter variable name rather than as it's expanded
result.

For the 'd' in 'dx', I like to use the upright math-d you get by pushing
Tab a few times after typing the 'd'. I type a "*" (invisible) between
the 'd' and the 'x' for the slight amount of space and since I think it
sort of makes sense, semantically.

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• Re: [TeXmacs] Re: some specific and basic questions, Karl Hegbloom, 05/14/2007

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